[v2,1/2] f2fs: fix to enable compress for newly created file if extension matches

  If compress_extension is set, and a newly created file matches the
extension, the file could be marked as compression file. However,
if inline_data is also enabled, there is no chance to check its
extension since f2fs_should_compress() always returns false.

This patch moves set_compress_inode(), which do extension check, in
f2fs_should_compress() to check extensions before setting inline
data flag.

Fixes: 7165841d578e ("f2fs: fix to check inline_data during compressed inode conversion")
Signed-off-by: Sheng Yong <shengyong@oppo.com>
---
 fs/f2fs/namei.c | 27 +++++++++++++--------------
 1 file changed, 13 insertions(+), 14 deletions(-)

---
v1->v2: add filename parameter for f2fs_new_inode, and move
        set_compress_inode into f2fs_new_inode
  

On 2022/11/11 18:08, Sheng Yong wrote:
> If compress_extension is set, and a newly created file matches the
> extension, the file could be marked as compression file. However,
> if inline_data is also enabled, there is no chance to check its
> extension since f2fs_should_compress() always returns false.
> 
> This patch moves set_compress_inode(), which do extension check, in
> f2fs_should_compress() to check extensions before setting inline
> data flag.
> 
> Fixes: 7165841d578e ("f2fs: fix to check inline_data during compressed inode conversion")
> Signed-off-by: Sheng Yong <shengyong@oppo.com>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,
  

Does thes make sense?

https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/commit/?h=dev-test&id=608460dfae20b9d23aa222f7448710a086778222
https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/commit/?h=dev-test&id=962379487b5cb9f3b85ea367b130c2c6ca584edf

Second one is needed to address build error.

On 11/11, Sheng Yong wrote:
> If compress_extension is set, and a newly created file matches the
> extension, the file could be marked as compression file. However,
> if inline_data is also enabled, there is no chance to check its
> extension since f2fs_should_compress() always returns false.
> 
> This patch moves set_compress_inode(), which do extension check, in
> f2fs_should_compress() to check extensions before setting inline
> data flag.
> 
> Fixes: 7165841d578e ("f2fs: fix to check inline_data during compressed inode conversion")
> Signed-off-by: Sheng Yong <shengyong@oppo.com>
> ---
>  fs/f2fs/namei.c | 27 +++++++++++++--------------
>  1 file changed, 13 insertions(+), 14 deletions(-)
> 
> ---
> v1->v2: add filename parameter for f2fs_new_inode, and move
>         set_compress_inode into f2fs_new_inode
> 
> diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
> index e104409c3a0e5..36e251f438568 100644
> --- a/fs/f2fs/namei.c
> +++ b/fs/f2fs/namei.c
> @@ -22,8 +22,12 @@
>  #include "acl.h"
>  #include <trace/events/f2fs.h>
>  
> +static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
> +						const unsigned char *name);
> +
>  static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
> -						struct inode *dir, umode_t mode)
> +						struct inode *dir, umode_t mode,
> +						const char *name)
>  {
>  	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
>  	nid_t ino;
> @@ -119,6 +123,8 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
>  		if ((F2FS_I(dir)->i_flags & F2FS_COMPR_FL) &&
>  					f2fs_may_compress(inode))
>  			set_compress_context(inode);
> +		if (name)
> +			set_compress_inode(sbi, inode, name);
>  	}
>  
>  	/* Should enable inline_data after compression set */
> @@ -293,8 +299,7 @@ static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
>  	unsigned char noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
>  	int i, cold_count, hot_count;
>  
> -	if (!f2fs_sb_has_compression(sbi) ||
> -			F2FS_I(inode)->i_flags & F2FS_NOCOMP_FL ||
> +	if (F2FS_I(inode)->i_flags & F2FS_NOCOMP_FL ||
>  			!f2fs_may_compress(inode) ||
>  			(!ext_cnt && !noext_cnt))
>  		return;
> @@ -326,10 +331,6 @@ static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
>  	for (i = 0; i < ext_cnt; i++) {
>  		if (!is_extension_exist(name, ext[i], false))
>  			continue;
> -
> -		/* Do not use inline_data with compression */
> -		stat_dec_inline_inode(inode);
> -		clear_inode_flag(inode, FI_INLINE_DATA);
>  		set_compress_context(inode);
>  		return;
>  	}
> @@ -352,15 +353,13 @@ static int f2fs_create(struct user_namespace *mnt_userns, struct inode *dir,
>  	if (err)
>  		return err;
>  
> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
> +	inode = f2fs_new_inode(mnt_userns, dir, mode, dentry->d_name.name);
>  	if (IS_ERR(inode))
>  		return PTR_ERR(inode);
>  
>  	if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
>  		set_file_temperature(sbi, inode, dentry->d_name.name);
>  
> -	set_compress_inode(sbi, inode, dentry->d_name.name);
> -
>  	inode->i_op = &f2fs_file_inode_operations;
>  	inode->i_fop = &f2fs_file_operations;
>  	inode->i_mapping->a_ops = &f2fs_dblock_aops;
> @@ -689,7 +688,7 @@ static int f2fs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
>  	if (err)
>  		return err;
>  
> -	inode = f2fs_new_inode(mnt_userns, dir, S_IFLNK | S_IRWXUGO);
> +	inode = f2fs_new_inode(mnt_userns, dir, S_IFLNK | S_IRWXUGO, NULL);
>  	if (IS_ERR(inode))
>  		return PTR_ERR(inode);
>  
> @@ -760,7 +759,7 @@ static int f2fs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
>  	if (err)
>  		return err;
>  
> -	inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode);
> +	inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode, NULL);
>  	if (IS_ERR(inode))
>  		return PTR_ERR(inode);
>  
> @@ -817,7 +816,7 @@ static int f2fs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
>  	if (err)
>  		return err;
>  
> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
> +	inode = f2fs_new_inode(mnt_userns, dir, mode, NULL);
>  	if (IS_ERR(inode))
>  		return PTR_ERR(inode);
>  
> @@ -856,7 +855,7 @@ static int __f2fs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
>  	if (err)
>  		return err;
>  
> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
> +	inode = f2fs_new_inode(mnt_userns, dir, mode, NULL);
>  	if (IS_ERR(inode))
>  		return PTR_ERR(inode);
>  
> -- 
> 2.25.1
  

On 2022/11/12 9:27, Jaegeuk Kim wrote:
> Does thes make sense?
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/commit/?h=dev-test&id=608460dfae20b9d23aa222f7448710a086778222
> https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/commit/?h=dev-test&id=962379487b5cb9f3b85ea367b130c2c6ca584edf
> 
Hi, Jaegeuk,

Absolutely. Thanks for addressing it.

> Second one is needed to address build error.

Sorry for missing adding a hunk of that patch :(
The above 2 commits are already tested, shall I resend a new patchset?

thanks,
shengyong
> 
> On 11/11, Sheng Yong wrote:
>> If compress_extension is set, and a newly created file matches the
>> extension, the file could be marked as compression file. However,
>> if inline_data is also enabled, there is no chance to check its
>> extension since f2fs_should_compress() always returns false.
>>
>> This patch moves set_compress_inode(), which do extension check, in
>> f2fs_should_compress() to check extensions before setting inline
>> data flag.
>>
>> Fixes: 7165841d578e ("f2fs: fix to check inline_data during compressed inode conversion")
>> Signed-off-by: Sheng Yong <shengyong@oppo.com>
>> ---
>>   fs/f2fs/namei.c | 27 +++++++++++++--------------
>>   1 file changed, 13 insertions(+), 14 deletions(-)
>>
>> ---
>> v1->v2: add filename parameter for f2fs_new_inode, and move
>>          set_compress_inode into f2fs_new_inode
>>
>> diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
>> index e104409c3a0e5..36e251f438568 100644
>> --- a/fs/f2fs/namei.c
>> +++ b/fs/f2fs/namei.c
>> @@ -22,8 +22,12 @@
>>   #include "acl.h"
>>   #include <trace/events/f2fs.h>
>>   
>> +static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
>> +						const unsigned char *name);
>> +
>>   static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
>> -						struct inode *dir, umode_t mode)
>> +						struct inode *dir, umode_t mode,
>> +						const char *name)
>>   {
>>   	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
>>   	nid_t ino;
>> @@ -119,6 +123,8 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
>>   		if ((F2FS_I(dir)->i_flags & F2FS_COMPR_FL) &&
>>   					f2fs_may_compress(inode))
>>   			set_compress_context(inode);
>> +		if (name)
>> +			set_compress_inode(sbi, inode, name);
>>   	}
>>   
>>   	/* Should enable inline_data after compression set */
>> @@ -293,8 +299,7 @@ static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
>>   	unsigned char noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
>>   	int i, cold_count, hot_count;
>>   
>> -	if (!f2fs_sb_has_compression(sbi) ||
>> -			F2FS_I(inode)->i_flags & F2FS_NOCOMP_FL ||
>> +	if (F2FS_I(inode)->i_flags & F2FS_NOCOMP_FL ||
>>   			!f2fs_may_compress(inode) ||
>>   			(!ext_cnt && !noext_cnt))
>>   		return;
>> @@ -326,10 +331,6 @@ static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
>>   	for (i = 0; i < ext_cnt; i++) {
>>   		if (!is_extension_exist(name, ext[i], false))
>>   			continue;
>> -
>> -		/* Do not use inline_data with compression */
>> -		stat_dec_inline_inode(inode);
>> -		clear_inode_flag(inode, FI_INLINE_DATA);
>>   		set_compress_context(inode);
>>   		return;
>>   	}
>> @@ -352,15 +353,13 @@ static int f2fs_create(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
>> +	inode = f2fs_new_inode(mnt_userns, dir, mode, dentry->d_name.name);
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>>   	if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
>>   		set_file_temperature(sbi, inode, dentry->d_name.name);
>>   
>> -	set_compress_inode(sbi, inode, dentry->d_name.name);
>> -
>>   	inode->i_op = &f2fs_file_inode_operations;
>>   	inode->i_fop = &f2fs_file_operations;
>>   	inode->i_mapping->a_ops = &f2fs_dblock_aops;
>> @@ -689,7 +688,7 @@ static int f2fs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, S_IFLNK | S_IRWXUGO);
>> +	inode = f2fs_new_inode(mnt_userns, dir, S_IFLNK | S_IRWXUGO, NULL);
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>> @@ -760,7 +759,7 @@ static int f2fs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode);
>> +	inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode, NULL);
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>> @@ -817,7 +816,7 @@ static int f2fs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
>> +	inode = f2fs_new_inode(mnt_userns, dir, mode, NULL);
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>> @@ -856,7 +855,7 @@ static int __f2fs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
>> +	inode = f2fs_new_inode(mnt_userns, dir, mode, NULL);
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>> -- 
>> 2.25.1
  

On 2022/11/12 9:27, Jaegeuk Kim wrote:
> Does thes make sense?

Jaegeuk,

Could you please send modified patches to mailing list, otherwise,
I can not add comments on specified line.

Thanks,

> 
> https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/commit/?h=dev-test&id=608460dfae20b9d23aa222f7448710a086778222
> https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/commit/?h=dev-test&id=962379487b5cb9f3b85ea367b130c2c6ca584edf
> 
> Second one is needed to address build error.
> 
> On 11/11, Sheng Yong wrote:
>> If compress_extension is set, and a newly created file matches the
>> extension, the file could be marked as compression file. However,
>> if inline_data is also enabled, there is no chance to check its
>> extension since f2fs_should_compress() always returns false.
>>
>> This patch moves set_compress_inode(), which do extension check, in
>> f2fs_should_compress() to check extensions before setting inline
>> data flag.
>>
>> Fixes: 7165841d578e ("f2fs: fix to check inline_data during compressed inode conversion")
>> Signed-off-by: Sheng Yong <shengyong@oppo.com>
>> ---
>>   fs/f2fs/namei.c | 27 +++++++++++++--------------
>>   1 file changed, 13 insertions(+), 14 deletions(-)
>>
>> ---
>> v1->v2: add filename parameter for f2fs_new_inode, and move
>>          set_compress_inode into f2fs_new_inode
>>
>> diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
>> index e104409c3a0e5..36e251f438568 100644
>> --- a/fs/f2fs/namei.c
>> +++ b/fs/f2fs/namei.c
>> @@ -22,8 +22,12 @@
>>   #include "acl.h"
>>   #include <trace/events/f2fs.h>
>>   
>> +static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
>> +						const unsigned char *name);
>> +
>>   static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
>> -						struct inode *dir, umode_t mode)
>> +						struct inode *dir, umode_t mode,
>> +						const char *name)
>>   {
>>   	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
>>   	nid_t ino;
>> @@ -119,6 +123,8 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
>>   		if ((F2FS_I(dir)->i_flags & F2FS_COMPR_FL) &&
>>   					f2fs_may_compress(inode))
>>   			set_compress_context(inode);
>> +		if (name)
>> +			set_compress_inode(sbi, inode, name);
>>   	}
>>   
>>   	/* Should enable inline_data after compression set */
>> @@ -293,8 +299,7 @@ static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
>>   	unsigned char noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
>>   	int i, cold_count, hot_count;
>>   
>> -	if (!f2fs_sb_has_compression(sbi) ||
>> -			F2FS_I(inode)->i_flags & F2FS_NOCOMP_FL ||
>> +	if (F2FS_I(inode)->i_flags & F2FS_NOCOMP_FL ||
>>   			!f2fs_may_compress(inode) ||
>>   			(!ext_cnt && !noext_cnt))
>>   		return;
>> @@ -326,10 +331,6 @@ static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
>>   	for (i = 0; i < ext_cnt; i++) {
>>   		if (!is_extension_exist(name, ext[i], false))
>>   			continue;
>> -
>> -		/* Do not use inline_data with compression */
>> -		stat_dec_inline_inode(inode);
>> -		clear_inode_flag(inode, FI_INLINE_DATA);
>>   		set_compress_context(inode);
>>   		return;
>>   	}
>> @@ -352,15 +353,13 @@ static int f2fs_create(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
>> +	inode = f2fs_new_inode(mnt_userns, dir, mode, dentry->d_name.name);
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>>   	if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
>>   		set_file_temperature(sbi, inode, dentry->d_name.name);
>>   
>> -	set_compress_inode(sbi, inode, dentry->d_name.name);
>> -
>>   	inode->i_op = &f2fs_file_inode_operations;
>>   	inode->i_fop = &f2fs_file_operations;
>>   	inode->i_mapping->a_ops = &f2fs_dblock_aops;
>> @@ -689,7 +688,7 @@ static int f2fs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, S_IFLNK | S_IRWXUGO);
>> +	inode = f2fs_new_inode(mnt_userns, dir, S_IFLNK | S_IRWXUGO, NULL);
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>> @@ -760,7 +759,7 @@ static int f2fs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode);
>> +	inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode, NULL);
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>> @@ -817,7 +816,7 @@ static int f2fs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
>> +	inode = f2fs_new_inode(mnt_userns, dir, mode, NULL);
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>> @@ -856,7 +855,7 @@ static int __f2fs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
>> +	inode = f2fs_new_inode(mnt_userns, dir, mode, NULL);
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>> -- 
>> 2.25.1
  

If compress_extension is set, and a newly created file matches the
extension, the file could be marked as compression file. However,
if inline_data is also enabled, there is no chance to check its
extension since f2fs_should_compress() always returns false.

This patch moves set_compress_inode(), which do extension check, in
f2fs_should_compress() to check extensions before setting inline
data flag.

Fixes: 7165841d578e ("f2fs: fix to check inline_data during compressed inode conversion")
Signed-off-by: Sheng Yong <shengyong@oppo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fs/f2fs/namei.c | 326 ++++++++++++++++++++++++------------------------
 1 file changed, 160 insertions(+), 166 deletions(-)

diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index e104409c3a0e..43b721d8e491 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -22,8 +22,160 @@
 #include "acl.h"
 #include <trace/events/f2fs.h>
 
+static inline int is_extension_exist(const unsigned char *s, const char *sub,
+						bool tmp_ext)
+{
+	size_t slen = strlen(s);
+	size_t sublen = strlen(sub);
+	int i;
+
+	if (sublen == 1 && *sub == '*')
+		return 1;
+
+	/*
+	 * filename format of multimedia file should be defined as:
+	 * "filename + '.' + extension + (optional: '.' + temp extension)".
+	 */
+	if (slen < sublen + 2)
+		return 0;
+
+	if (!tmp_ext) {
+		/* file has no temp extension */
+		if (s[slen - sublen - 1] != '.')
+			return 0;
+		return !strncasecmp(s + slen - sublen, sub, sublen);
+	}
+
+	for (i = 1; i < slen - sublen; i++) {
+		if (s[i] != '.')
+			continue;
+		if (!strncasecmp(s + i + 1, sub, sublen))
+			return 1;
+	}
+
+	return 0;
+}
+
+int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
+							bool hot, bool set)
+{
+	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
+	int cold_count = le32_to_cpu(sbi->raw_super->extension_count);
+	int hot_count = sbi->raw_super->hot_ext_count;
+	int total_count = cold_count + hot_count;
+	int start, count;
+	int i;
+
+	if (set) {
+		if (total_count == F2FS_MAX_EXTENSION)
+			return -EINVAL;
+	} else {
+		if (!hot && !cold_count)
+			return -EINVAL;
+		if (hot && !hot_count)
+			return -EINVAL;
+	}
+
+	if (hot) {
+		start = cold_count;
+		count = total_count;
+	} else {
+		start = 0;
+		count = cold_count;
+	}
+
+	for (i = start; i < count; i++) {
+		if (strcmp(name, extlist[i]))
+			continue;
+
+		if (set)
+			return -EINVAL;
+
+		memcpy(extlist[i], extlist[i + 1],
+				F2FS_EXTENSION_LEN * (total_count - i - 1));
+		memset(extlist[total_count - 1], 0, F2FS_EXTENSION_LEN);
+		if (hot)
+			sbi->raw_super->hot_ext_count = hot_count - 1;
+		else
+			sbi->raw_super->extension_count =
+						cpu_to_le32(cold_count - 1);
+		return 0;
+	}
+
+	if (!set)
+		return -EINVAL;
+
+	if (hot) {
+		memcpy(extlist[count], name, strlen(name));
+		sbi->raw_super->hot_ext_count = hot_count + 1;
+	} else {
+		char buf[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN];
+
+		memcpy(buf, &extlist[cold_count],
+				F2FS_EXTENSION_LEN * hot_count);
+		memset(extlist[cold_count], 0, F2FS_EXTENSION_LEN);
+		memcpy(extlist[cold_count], name, strlen(name));
+		memcpy(&extlist[cold_count + 1], buf,
+				F2FS_EXTENSION_LEN * hot_count);
+		sbi->raw_super->extension_count = cpu_to_le32(cold_count + 1);
+	}
+	return 0;
+}
+
+static void set_compress_new_inode(struct f2fs_sb_info *sbi, struct inode *dir,
+				struct inode *inode, const unsigned char *name)
+{
+	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
+	unsigned char (*noext)[F2FS_EXTENSION_LEN] =
+						F2FS_OPTION(sbi).noextensions;
+	unsigned char (*ext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).extensions;
+	unsigned char ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
+	unsigned char noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
+	int i, cold_count, hot_count;
+
+	if (!f2fs_sb_has_compression(sbi) || !name)
+		return;
+	if (!S_ISREG(inode->i_mode) && !S_ISDIR(inode->i_mode))
+		return;
+
+	/* Inherit the compression flag in directory */
+	if ((F2FS_I(dir)->i_flags & F2FS_COMPR_FL)) {
+		set_compress_context(inode);
+		return;
+	}
+
+	/* Start to check extension list */
+	if (!ext_cnt)
+		return;
+
+	/* Don't compress hot files. */
+	f2fs_down_read(&sbi->sb_lock);
+	cold_count = le32_to_cpu(sbi->raw_super->extension_count);
+	hot_count = sbi->raw_super->hot_ext_count;
+	for (i = cold_count; i < cold_count + hot_count; i++)
+		if (is_extension_exist(name, extlist[i], false))
+			break;
+	f2fs_up_read(&sbi->sb_lock);
+	if (i < (cold_count + hot_count))
+		return;
+
+	/* Don't compress unallowed extension. */
+	for (i = 0; i < noext_cnt; i++)
+		if (is_extension_exist(name, noext[i], false))
+			return;
+
+	/* Compress wanting extension. */
+	for (i = 0; i < ext_cnt; i++) {
+		if (is_extension_exist(name, ext[i], false)) {
+			set_compress_context(inode);
+			return;
+		}
+	}
+}
+
 static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
-						struct inode *dir, umode_t mode)
+						struct inode *dir, umode_t mode,
+						const char *name)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
 	nid_t ino;
@@ -114,12 +266,8 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
 	if (F2FS_I(inode)->i_flags & F2FS_PROJINHERIT_FL)
 		set_inode_flag(inode, FI_PROJ_INHERIT);
 
-	if (f2fs_sb_has_compression(sbi)) {
-		/* Inherit the compression flag in directory */
-		if ((F2FS_I(dir)->i_flags & F2FS_COMPR_FL) &&
-					f2fs_may_compress(inode))
-			set_compress_context(inode);
-	}
+	/* Check compression first. */
+	set_compress_new_inode(sbi, dir, inode, name);
 
 	/* Should enable inline_data after compression set */
 	if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode))
@@ -153,40 +301,6 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
 	return ERR_PTR(err);
 }
 
-static inline int is_extension_exist(const unsigned char *s, const char *sub,
-						bool tmp_ext)
-{
-	size_t slen = strlen(s);
-	size_t sublen = strlen(sub);
-	int i;
-
-	if (sublen == 1 && *sub == '*')
-		return 1;
-
-	/*
-	 * filename format of multimedia file should be defined as:
-	 * "filename + '.' + extension + (optional: '.' + temp extension)".
-	 */
-	if (slen < sublen + 2)
-		return 0;
-
-	if (!tmp_ext) {
-		/* file has no temp extension */
-		if (s[slen - sublen - 1] != '.')
-			return 0;
-		return !strncasecmp(s + slen - sublen, sub, sublen);
-	}
-
-	for (i = 1; i < slen - sublen; i++) {
-		if (s[i] != '.')
-			continue;
-		if (!strncasecmp(s + i + 1, sub, sublen))
-			return 1;
-	}
-
-	return 0;
-}
-
 /*
  * Set file's temperature for hot/cold data separation
  */
@@ -217,124 +331,6 @@ static inline void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *
 		file_set_hot(inode);
 }
 
-int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
-							bool hot, bool set)
-{
-	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
-	int cold_count = le32_to_cpu(sbi->raw_super->extension_count);
-	int hot_count = sbi->raw_super->hot_ext_count;
-	int total_count = cold_count + hot_count;
-	int start, count;
-	int i;
-
-	if (set) {
-		if (total_count == F2FS_MAX_EXTENSION)
-			return -EINVAL;
-	} else {
-		if (!hot && !cold_count)
-			return -EINVAL;
-		if (hot && !hot_count)
-			return -EINVAL;
-	}
-
-	if (hot) {
-		start = cold_count;
-		count = total_count;
-	} else {
-		start = 0;
-		count = cold_count;
-	}
-
-	for (i = start; i < count; i++) {
-		if (strcmp(name, extlist[i]))
-			continue;
-
-		if (set)
-			return -EINVAL;
-
-		memcpy(extlist[i], extlist[i + 1],
-				F2FS_EXTENSION_LEN * (total_count - i - 1));
-		memset(extlist[total_count - 1], 0, F2FS_EXTENSION_LEN);
-		if (hot)
-			sbi->raw_super->hot_ext_count = hot_count - 1;
-		else
-			sbi->raw_super->extension_count =
-						cpu_to_le32(cold_count - 1);
-		return 0;
-	}
-
-	if (!set)
-		return -EINVAL;
-
-	if (hot) {
-		memcpy(extlist[count], name, strlen(name));
-		sbi->raw_super->hot_ext_count = hot_count + 1;
-	} else {
-		char buf[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN];
-
-		memcpy(buf, &extlist[cold_count],
-				F2FS_EXTENSION_LEN * hot_count);
-		memset(extlist[cold_count], 0, F2FS_EXTENSION_LEN);
-		memcpy(extlist[cold_count], name, strlen(name));
-		memcpy(&extlist[cold_count + 1], buf,
-				F2FS_EXTENSION_LEN * hot_count);
-		sbi->raw_super->extension_count = cpu_to_le32(cold_count + 1);
-	}
-	return 0;
-}
-
-static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
-						const unsigned char *name)
-{
-	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
-	unsigned char (*noext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).noextensions;
-	unsigned char (*ext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).extensions;
-	unsigned char ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
-	unsigned char noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
-	int i, cold_count, hot_count;
-
-	if (!f2fs_sb_has_compression(sbi) ||
-			F2FS_I(inode)->i_flags & F2FS_NOCOMP_FL ||
-			!f2fs_may_compress(inode) ||
-			(!ext_cnt && !noext_cnt))
-		return;
-
-	f2fs_down_read(&sbi->sb_lock);
-
-	cold_count = le32_to_cpu(sbi->raw_super->extension_count);
-	hot_count = sbi->raw_super->hot_ext_count;
-
-	for (i = cold_count; i < cold_count + hot_count; i++) {
-		if (is_extension_exist(name, extlist[i], false)) {
-			f2fs_up_read(&sbi->sb_lock);
-			return;
-		}
-	}
-
-	f2fs_up_read(&sbi->sb_lock);
-
-	for (i = 0; i < noext_cnt; i++) {
-		if (is_extension_exist(name, noext[i], false)) {
-			f2fs_disable_compressed_file(inode);
-			return;
-		}
-	}
-
-	if (is_inode_flag_set(inode, FI_COMPRESSED_FILE))
-		return;
-
-	for (i = 0; i < ext_cnt; i++) {
-		if (!is_extension_exist(name, ext[i], false))
-			continue;
-
-		/* Do not use inline_data with compression */
-		stat_dec_inline_inode(inode);
-		clear_inode_flag(inode, FI_INLINE_DATA);
-		set_compress_context(inode);
-		return;
-	}
-}
-
 static int f2fs_create(struct user_namespace *mnt_userns, struct inode *dir,
 		       struct dentry *dentry, umode_t mode, bool excl)
 {
@@ -352,15 +348,13 @@ static int f2fs_create(struct user_namespace *mnt_userns, struct inode *dir,
 	if (err)
 		return err;
 
-	inode = f2fs_new_inode(mnt_userns, dir, mode);
+	inode = f2fs_new_inode(mnt_userns, dir, mode, dentry->d_name.name);
 	if (IS_ERR(inode))
 		return PTR_ERR(inode);
 
 	if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
 		set_file_temperature(sbi, inode, dentry->d_name.name);
 
-	set_compress_inode(sbi, inode, dentry->d_name.name);
-
 	inode->i_op = &f2fs_file_inode_operations;
 	inode->i_fop = &f2fs_file_operations;
 	inode->i_mapping->a_ops = &f2fs_dblock_aops;
@@ -689,7 +683,7 @@ static int f2fs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
 	if (err)
 		return err;
 
-	inode = f2fs_new_inode(mnt_userns, dir, S_IFLNK | S_IRWXUGO);
+	inode = f2fs_new_inode(mnt_userns, dir, S_IFLNK | S_IRWXUGO, NULL);
 	if (IS_ERR(inode))
 		return PTR_ERR(inode);
 
@@ -760,7 +754,7 @@ static int f2fs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
 	if (err)
 		return err;
 
-	inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode);
+	inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode, NULL);
 	if (IS_ERR(inode))
 		return PTR_ERR(inode);
 
@@ -817,7 +811,7 @@ static int f2fs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
 	if (err)
 		return err;
 
-	inode = f2fs_new_inode(mnt_userns, dir, mode);
+	inode = f2fs_new_inode(mnt_userns, dir, mode, NULL);
 	if (IS_ERR(inode))
 		return PTR_ERR(inode);
 
@@ -856,7 +850,7 @@ static int __f2fs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
 	if (err)
 		return err;
 
-	inode = f2fs_new_inode(mnt_userns, dir, mode);
+	inode = f2fs_new_inode(mnt_userns, dir, mode, NULL);
 	if (IS_ERR(inode))
 		return PTR_ERR(inode);
  

On 11/14, Jaegeuk Kim wrote:
> If compress_extension is set, and a newly created file matches the
> extension, the file could be marked as compression file. However,
> if inline_data is also enabled, there is no chance to check its
> extension since f2fs_should_compress() always returns false.
> 
> This patch moves set_compress_inode(), which do extension check, in
> f2fs_should_compress() to check extensions before setting inline
> data flag.
> 
> Fixes: 7165841d578e ("f2fs: fix to check inline_data during compressed inode conversion")
> Signed-off-by: Sheng Yong <shengyong@oppo.com>
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> ---
>  fs/f2fs/namei.c | 326 ++++++++++++++++++++++++------------------------
>  1 file changed, 160 insertions(+), 166 deletions(-)
> 
> diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
> index e104409c3a0e..43b721d8e491 100644
> --- a/fs/f2fs/namei.c
> +++ b/fs/f2fs/namei.c
> @@ -22,8 +22,160 @@
>  #include "acl.h"
>  #include <trace/events/f2fs.h>
>  
> +static inline int is_extension_exist(const unsigned char *s, const char *sub,
> +						bool tmp_ext)
> +{
> +	size_t slen = strlen(s);
> +	size_t sublen = strlen(sub);
> +	int i;
> +
> +	if (sublen == 1 && *sub == '*')
> +		return 1;
> +
> +	/*
> +	 * filename format of multimedia file should be defined as:
> +	 * "filename + '.' + extension + (optional: '.' + temp extension)".
> +	 */
> +	if (slen < sublen + 2)
> +		return 0;
> +
> +	if (!tmp_ext) {
> +		/* file has no temp extension */
> +		if (s[slen - sublen - 1] != '.')
> +			return 0;
> +		return !strncasecmp(s + slen - sublen, sub, sublen);
> +	}
> +
> +	for (i = 1; i < slen - sublen; i++) {
> +		if (s[i] != '.')
> +			continue;
> +		if (!strncasecmp(s + i + 1, sub, sublen))
> +			return 1;
> +	}
> +
> +	return 0;
> +}
> +
> +int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
> +							bool hot, bool set)
> +{
> +	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
> +	int cold_count = le32_to_cpu(sbi->raw_super->extension_count);
> +	int hot_count = sbi->raw_super->hot_ext_count;
> +	int total_count = cold_count + hot_count;
> +	int start, count;
> +	int i;
> +
> +	if (set) {
> +		if (total_count == F2FS_MAX_EXTENSION)
> +			return -EINVAL;
> +	} else {
> +		if (!hot && !cold_count)
> +			return -EINVAL;
> +		if (hot && !hot_count)
> +			return -EINVAL;
> +	}
> +
> +	if (hot) {
> +		start = cold_count;
> +		count = total_count;
> +	} else {
> +		start = 0;
> +		count = cold_count;
> +	}
> +
> +	for (i = start; i < count; i++) {
> +		if (strcmp(name, extlist[i]))
> +			continue;
> +
> +		if (set)
> +			return -EINVAL;
> +
> +		memcpy(extlist[i], extlist[i + 1],
> +				F2FS_EXTENSION_LEN * (total_count - i - 1));
> +		memset(extlist[total_count - 1], 0, F2FS_EXTENSION_LEN);
> +		if (hot)
> +			sbi->raw_super->hot_ext_count = hot_count - 1;
> +		else
> +			sbi->raw_super->extension_count =
> +						cpu_to_le32(cold_count - 1);
> +		return 0;
> +	}
> +
> +	if (!set)
> +		return -EINVAL;
> +
> +	if (hot) {
> +		memcpy(extlist[count], name, strlen(name));
> +		sbi->raw_super->hot_ext_count = hot_count + 1;
> +	} else {
> +		char buf[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN];
> +
> +		memcpy(buf, &extlist[cold_count],
> +				F2FS_EXTENSION_LEN * hot_count);
> +		memset(extlist[cold_count], 0, F2FS_EXTENSION_LEN);
> +		memcpy(extlist[cold_count], name, strlen(name));
> +		memcpy(&extlist[cold_count + 1], buf,
> +				F2FS_EXTENSION_LEN * hot_count);
> +		sbi->raw_super->extension_count = cpu_to_le32(cold_count + 1);
> +	}
> +	return 0;
> +}
> +
> +static void set_compress_new_inode(struct f2fs_sb_info *sbi, struct inode *dir,
> +				struct inode *inode, const unsigned char *name)
> +{
> +	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
> +	unsigned char (*noext)[F2FS_EXTENSION_LEN] =
> +						F2FS_OPTION(sbi).noextensions;
> +	unsigned char (*ext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).extensions;
> +	unsigned char ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
> +	unsigned char noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
> +	int i, cold_count, hot_count;
> +
> +	if (!f2fs_sb_has_compression(sbi) || !name)
> +		return;
> +	if (!S_ISREG(inode->i_mode) && !S_ISDIR(inode->i_mode))
> +		return;
> +
> +	/* Inherit the compression flag in directory */
> +	if ((F2FS_I(dir)->i_flags & F2FS_COMPR_FL)) {
> +		set_compress_context(inode);
> +		return;
> +	}
> +
> +	/* Start to check extension list */
> +	if (!ext_cnt)
> +		return;
> +
> +	/* Don't compress hot files. */
> +	f2fs_down_read(&sbi->sb_lock);
> +	cold_count = le32_to_cpu(sbi->raw_super->extension_count);
> +	hot_count = sbi->raw_super->hot_ext_count;
> +	for (i = cold_count; i < cold_count + hot_count; i++)
> +		if (is_extension_exist(name, extlist[i], false))
> +			break;
> +	f2fs_up_read(&sbi->sb_lock);
> +	if (i < (cold_count + hot_count))
> +		return;
> +
> +	/* Don't compress unallowed extension. */
> +	for (i = 0; i < noext_cnt; i++)
> +		if (is_extension_exist(name, noext[i], false))
> +			return;
> +
> +	/* Compress wanting extension. */
> +	for (i = 0; i < ext_cnt; i++) {
> +		if (is_extension_exist(name, ext[i], false)) {
> +			set_compress_context(inode);
> +			return;
> +		}
> +	}
> +}
> +
>  static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
> -						struct inode *dir, umode_t mode)
> +						struct inode *dir, umode_t mode,
> +						const char *name)
>  {
>  	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
>  	nid_t ino;
> @@ -114,12 +266,8 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
>  	if (F2FS_I(inode)->i_flags & F2FS_PROJINHERIT_FL)
>  		set_inode_flag(inode, FI_PROJ_INHERIT);
>  
> -	if (f2fs_sb_has_compression(sbi)) {
> -		/* Inherit the compression flag in directory */
> -		if ((F2FS_I(dir)->i_flags & F2FS_COMPR_FL) &&
> -					f2fs_may_compress(inode))
> -			set_compress_context(inode);
> -	}
> +	/* Check compression first. */
> +	set_compress_new_inode(sbi, dir, inode, name);
>  
>  	/* Should enable inline_data after compression set */
>  	if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode))
> @@ -153,40 +301,6 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
>  	return ERR_PTR(err);
>  }
>  
> -static inline int is_extension_exist(const unsigned char *s, const char *sub,
> -						bool tmp_ext)
> -{
> -	size_t slen = strlen(s);
> -	size_t sublen = strlen(sub);
> -	int i;
> -
> -	if (sublen == 1 && *sub == '*')
> -		return 1;
> -
> -	/*
> -	 * filename format of multimedia file should be defined as:
> -	 * "filename + '.' + extension + (optional: '.' + temp extension)".
> -	 */
> -	if (slen < sublen + 2)
> -		return 0;
> -
> -	if (!tmp_ext) {
> -		/* file has no temp extension */
> -		if (s[slen - sublen - 1] != '.')
> -			return 0;
> -		return !strncasecmp(s + slen - sublen, sub, sublen);
> -	}
> -
> -	for (i = 1; i < slen - sublen; i++) {
> -		if (s[i] != '.')
> -			continue;
> -		if (!strncasecmp(s + i + 1, sub, sublen))
> -			return 1;
> -	}
> -
> -	return 0;
> -}
> -
>  /*
>   * Set file's temperature for hot/cold data separation
>   */
> @@ -217,124 +331,6 @@ static inline void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *
>  		file_set_hot(inode);
>  }
>  
> -int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
> -							bool hot, bool set)
> -{
> -	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
> -	int cold_count = le32_to_cpu(sbi->raw_super->extension_count);
> -	int hot_count = sbi->raw_super->hot_ext_count;
> -	int total_count = cold_count + hot_count;
> -	int start, count;
> -	int i;
> -
> -	if (set) {
> -		if (total_count == F2FS_MAX_EXTENSION)
> -			return -EINVAL;
> -	} else {
> -		if (!hot && !cold_count)
> -			return -EINVAL;
> -		if (hot && !hot_count)
> -			return -EINVAL;
> -	}
> -
> -	if (hot) {
> -		start = cold_count;
> -		count = total_count;
> -	} else {
> -		start = 0;
> -		count = cold_count;
> -	}
> -
> -	for (i = start; i < count; i++) {
> -		if (strcmp(name, extlist[i]))
> -			continue;
> -
> -		if (set)
> -			return -EINVAL;
> -
> -		memcpy(extlist[i], extlist[i + 1],
> -				F2FS_EXTENSION_LEN * (total_count - i - 1));
> -		memset(extlist[total_count - 1], 0, F2FS_EXTENSION_LEN);
> -		if (hot)
> -			sbi->raw_super->hot_ext_count = hot_count - 1;
> -		else
> -			sbi->raw_super->extension_count =
> -						cpu_to_le32(cold_count - 1);
> -		return 0;
> -	}
> -
> -	if (!set)
> -		return -EINVAL;
> -
> -	if (hot) {
> -		memcpy(extlist[count], name, strlen(name));
> -		sbi->raw_super->hot_ext_count = hot_count + 1;
> -	} else {
> -		char buf[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN];
> -
> -		memcpy(buf, &extlist[cold_count],
> -				F2FS_EXTENSION_LEN * hot_count);
> -		memset(extlist[cold_count], 0, F2FS_EXTENSION_LEN);
> -		memcpy(extlist[cold_count], name, strlen(name));
> -		memcpy(&extlist[cold_count + 1], buf,
> -				F2FS_EXTENSION_LEN * hot_count);
> -		sbi->raw_super->extension_count = cpu_to_le32(cold_count + 1);
> -	}
> -	return 0;
> -}
> -
> -static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
> -						const unsigned char *name)
> -{
> -	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
> -	unsigned char (*noext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).noextensions;
> -	unsigned char (*ext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).extensions;
> -	unsigned char ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
> -	unsigned char noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
> -	int i, cold_count, hot_count;
> -
> -	if (!f2fs_sb_has_compression(sbi) ||
> -			F2FS_I(inode)->i_flags & F2FS_NOCOMP_FL ||
> -			!f2fs_may_compress(inode) ||
> -			(!ext_cnt && !noext_cnt))
> -		return;
> -
> -	f2fs_down_read(&sbi->sb_lock);
> -
> -	cold_count = le32_to_cpu(sbi->raw_super->extension_count);
> -	hot_count = sbi->raw_super->hot_ext_count;
> -
> -	for (i = cold_count; i < cold_count + hot_count; i++) {
> -		if (is_extension_exist(name, extlist[i], false)) {
> -			f2fs_up_read(&sbi->sb_lock);
> -			return;
> -		}
> -	}
> -
> -	f2fs_up_read(&sbi->sb_lock);
> -
> -	for (i = 0; i < noext_cnt; i++) {
> -		if (is_extension_exist(name, noext[i], false)) {
> -			f2fs_disable_compressed_file(inode);
> -			return;
> -		}
> -	}
> -
> -	if (is_inode_flag_set(inode, FI_COMPRESSED_FILE))
> -		return;
> -
> -	for (i = 0; i < ext_cnt; i++) {
> -		if (!is_extension_exist(name, ext[i], false))
> -			continue;
> -
> -		/* Do not use inline_data with compression */
> -		stat_dec_inline_inode(inode);
> -		clear_inode_flag(inode, FI_INLINE_DATA);
> -		set_compress_context(inode);
> -		return;
> -	}
> -}
> -
>  static int f2fs_create(struct user_namespace *mnt_userns, struct inode *dir,
>  		       struct dentry *dentry, umode_t mode, bool excl)
>  {
> @@ -352,15 +348,13 @@ static int f2fs_create(struct user_namespace *mnt_userns, struct inode *dir,
>  	if (err)
>  		return err;
>  
> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
> +	inode = f2fs_new_inode(mnt_userns, dir, mode, dentry->d_name.name);
>  	if (IS_ERR(inode))
>  		return PTR_ERR(inode);
>  
>  	if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
>  		set_file_temperature(sbi, inode, dentry->d_name.name);
>  
> -	set_compress_inode(sbi, inode, dentry->d_name.name);
> -
>  	inode->i_op = &f2fs_file_inode_operations;
>  	inode->i_fop = &f2fs_file_operations;
>  	inode->i_mapping->a_ops = &f2fs_dblock_aops;
> @@ -689,7 +683,7 @@ static int f2fs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
>  	if (err)
>  		return err;
>  
> -	inode = f2fs_new_inode(mnt_userns, dir, S_IFLNK | S_IRWXUGO);
> +	inode = f2fs_new_inode(mnt_userns, dir, S_IFLNK | S_IRWXUGO, NULL);
>  	if (IS_ERR(inode))
>  		return PTR_ERR(inode);
>  
> @@ -760,7 +754,7 @@ static int f2fs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
>  	if (err)
>  		return err;
>  
> -	inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode);
> +	inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode, NULL);

-       inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode, NULL);
+       inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode,
+                                               dentry->d_name.name);

Should pass dentry.

>  	if (IS_ERR(inode))
>  		return PTR_ERR(inode);
>  
> @@ -817,7 +811,7 @@ static int f2fs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
>  	if (err)
>  		return err;
>  
> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
> +	inode = f2fs_new_inode(mnt_userns, dir, mode, NULL);
>  	if (IS_ERR(inode))
>  		return PTR_ERR(inode);
>  
> @@ -856,7 +850,7 @@ static int __f2fs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
>  	if (err)
>  		return err;
>  
> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
> +	inode = f2fs_new_inode(mnt_userns, dir, mode, NULL);
>  	if (IS_ERR(inode))
>  		return PTR_ERR(inode);
>  
> -- 
> 2.38.1.493.g58b659f92b-goog
> 
> 
> 
> _______________________________________________
> Linux-f2fs-devel mailing list
> Linux-f2fs-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
  

On 2022/11/15 6:39, Jaegeuk Kim wrote:
> If compress_extension is set, and a newly created file matches the
> extension, the file could be marked as compression file. However,
> if inline_data is also enabled, there is no chance to check its
> extension since f2fs_should_compress() always returns false.
> 
> This patch moves set_compress_inode(), which do extension check, in
> f2fs_should_compress() to check extensions before setting inline
> data flag.
> 
> Fixes: 7165841d578e ("f2fs: fix to check inline_data during compressed inode conversion")
> Signed-off-by: Sheng Yong <shengyong@oppo.com>
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> ---
>   fs/f2fs/namei.c | 326 ++++++++++++++++++++++++------------------------
>   1 file changed, 160 insertions(+), 166 deletions(-)
> 
> diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
> index e104409c3a0e..43b721d8e491 100644
> --- a/fs/f2fs/namei.c
> +++ b/fs/f2fs/namei.c
> @@ -22,8 +22,160 @@
>   #include "acl.h"
>   #include <trace/events/f2fs.h>
>   
> +static inline int is_extension_exist(const unsigned char *s, const char *sub,
> +						bool tmp_ext)
> +{
> +	size_t slen = strlen(s);
> +	size_t sublen = strlen(sub);
> +	int i;
> +
> +	if (sublen == 1 && *sub == '*')
> +		return 1;
> +
> +	/*
> +	 * filename format of multimedia file should be defined as:
> +	 * "filename + '.' + extension + (optional: '.' + temp extension)".
> +	 */
> +	if (slen < sublen + 2)
> +		return 0;
> +
> +	if (!tmp_ext) {
> +		/* file has no temp extension */
> +		if (s[slen - sublen - 1] != '.')
> +			return 0;
> +		return !strncasecmp(s + slen - sublen, sub, sublen);
> +	}
> +
> +	for (i = 1; i < slen - sublen; i++) {
> +		if (s[i] != '.')
> +			continue;
> +		if (!strncasecmp(s + i + 1, sub, sublen))
> +			return 1;
> +	}
> +
> +	return 0;
> +}
> +
> +int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
> +							bool hot, bool set)
> +{
> +	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
> +	int cold_count = le32_to_cpu(sbi->raw_super->extension_count);
> +	int hot_count = sbi->raw_super->hot_ext_count;
> +	int total_count = cold_count + hot_count;
> +	int start, count;
> +	int i;
> +
> +	if (set) {
> +		if (total_count == F2FS_MAX_EXTENSION)
> +			return -EINVAL;
> +	} else {
> +		if (!hot && !cold_count)
> +			return -EINVAL;
> +		if (hot && !hot_count)
> +			return -EINVAL;
> +	}
> +
> +	if (hot) {
> +		start = cold_count;
> +		count = total_count;
> +	} else {
> +		start = 0;
> +		count = cold_count;
> +	}
> +
> +	for (i = start; i < count; i++) {
> +		if (strcmp(name, extlist[i]))
> +			continue;
> +
> +		if (set)
> +			return -EINVAL;
> +
> +		memcpy(extlist[i], extlist[i + 1],
> +				F2FS_EXTENSION_LEN * (total_count - i - 1));
> +		memset(extlist[total_count - 1], 0, F2FS_EXTENSION_LEN);
> +		if (hot)
> +			sbi->raw_super->hot_ext_count = hot_count - 1;
> +		else
> +			sbi->raw_super->extension_count =
> +						cpu_to_le32(cold_count - 1);
> +		return 0;
> +	}
> +
> +	if (!set)
> +		return -EINVAL;
> +
> +	if (hot) {
> +		memcpy(extlist[count], name, strlen(name));
> +		sbi->raw_super->hot_ext_count = hot_count + 1;
> +	} else {
> +		char buf[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN];
> +
> +		memcpy(buf, &extlist[cold_count],
> +				F2FS_EXTENSION_LEN * hot_count);
> +		memset(extlist[cold_count], 0, F2FS_EXTENSION_LEN);
> +		memcpy(extlist[cold_count], name, strlen(name));
> +		memcpy(&extlist[cold_count + 1], buf,
> +				F2FS_EXTENSION_LEN * hot_count);
> +		sbi->raw_super->extension_count = cpu_to_le32(cold_count + 1);
> +	}
> +	return 0;
> +}
> +
> +static void set_compress_new_inode(struct f2fs_sb_info *sbi, struct inode *dir,
> +				struct inode *inode, const unsigned char *name)
> +{
> +	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
> +	unsigned char (*noext)[F2FS_EXTENSION_LEN] =
> +						F2FS_OPTION(sbi).noextensions;
> +	unsigned char (*ext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).extensions;
> +	unsigned char ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
> +	unsigned char noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
> +	int i, cold_count, hot_count;
> +
> +	if (!f2fs_sb_has_compression(sbi) || !name)
> +		return;
> +	if (!S_ISREG(inode->i_mode) && !S_ISDIR(inode->i_mode))
> +		return;
> +
> +	/* Inherit the compression flag in directory */
> +	if ((F2FS_I(dir)->i_flags & F2FS_COMPR_FL)) {
> +		set_compress_context(inode);
> +		return;
> +	}
> +
> +	/* Start to check extension list */
> +	if (!ext_cnt)
> +		return;
> +
> +	/* Don't compress hot files. */
> +	f2fs_down_read(&sbi->sb_lock);
> +	cold_count = le32_to_cpu(sbi->raw_super->extension_count);
> +	hot_count = sbi->raw_super->hot_ext_count;
> +	for (i = cold_count; i < cold_count + hot_count; i++)
> +		if (is_extension_exist(name, extlist[i], false))
> +			break;
> +	f2fs_up_read(&sbi->sb_lock);
> +	if (i < (cold_count + hot_count))
> +		return;
> +
> +	/* Don't compress unallowed extension. */
> +	for (i = 0; i < noext_cnt; i++)
> +		if (is_extension_exist(name, noext[i], false))
> +			return;

Should check noext before inheritting F2FS_COMPR_FL?

Thanks,

> +
> +	/* Compress wanting extension. */
> +	for (i = 0; i < ext_cnt; i++) {
> +		if (is_extension_exist(name, ext[i], false)) {
> +			set_compress_context(inode);
> +			return;
> +		}
> +	}
> +}
> +
>   static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
> -						struct inode *dir, umode_t mode)
> +						struct inode *dir, umode_t mode,
> +						const char *name)
>   {
>   	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
>   	nid_t ino;
> @@ -114,12 +266,8 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
>   	if (F2FS_I(inode)->i_flags & F2FS_PROJINHERIT_FL)
>   		set_inode_flag(inode, FI_PROJ_INHERIT);
>   
> -	if (f2fs_sb_has_compression(sbi)) {
> -		/* Inherit the compression flag in directory */
> -		if ((F2FS_I(dir)->i_flags & F2FS_COMPR_FL) &&
> -					f2fs_may_compress(inode))
> -			set_compress_context(inode);
> -	}
> +	/* Check compression first. */
> +	set_compress_new_inode(sbi, dir, inode, name);
>   
>   	/* Should enable inline_data after compression set */
>   	if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode))
> @@ -153,40 +301,6 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
>   	return ERR_PTR(err);
>   }
>   
> -static inline int is_extension_exist(const unsigned char *s, const char *sub,
> -						bool tmp_ext)
> -{
> -	size_t slen = strlen(s);
> -	size_t sublen = strlen(sub);
> -	int i;
> -
> -	if (sublen == 1 && *sub == '*')
> -		return 1;
> -
> -	/*
> -	 * filename format of multimedia file should be defined as:
> -	 * "filename + '.' + extension + (optional: '.' + temp extension)".
> -	 */
> -	if (slen < sublen + 2)
> -		return 0;
> -
> -	if (!tmp_ext) {
> -		/* file has no temp extension */
> -		if (s[slen - sublen - 1] != '.')
> -			return 0;
> -		return !strncasecmp(s + slen - sublen, sub, sublen);
> -	}
> -
> -	for (i = 1; i < slen - sublen; i++) {
> -		if (s[i] != '.')
> -			continue;
> -		if (!strncasecmp(s + i + 1, sub, sublen))
> -			return 1;
> -	}
> -
> -	return 0;
> -}
> -
>   /*
>    * Set file's temperature for hot/cold data separation
>    */
> @@ -217,124 +331,6 @@ static inline void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *
>   		file_set_hot(inode);
>   }
>   
> -int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
> -							bool hot, bool set)
> -{
> -	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
> -	int cold_count = le32_to_cpu(sbi->raw_super->extension_count);
> -	int hot_count = sbi->raw_super->hot_ext_count;
> -	int total_count = cold_count + hot_count;
> -	int start, count;
> -	int i;
> -
> -	if (set) {
> -		if (total_count == F2FS_MAX_EXTENSION)
> -			return -EINVAL;
> -	} else {
> -		if (!hot && !cold_count)
> -			return -EINVAL;
> -		if (hot && !hot_count)
> -			return -EINVAL;
> -	}
> -
> -	if (hot) {
> -		start = cold_count;
> -		count = total_count;
> -	} else {
> -		start = 0;
> -		count = cold_count;
> -	}
> -
> -	for (i = start; i < count; i++) {
> -		if (strcmp(name, extlist[i]))
> -			continue;
> -
> -		if (set)
> -			return -EINVAL;
> -
> -		memcpy(extlist[i], extlist[i + 1],
> -				F2FS_EXTENSION_LEN * (total_count - i - 1));
> -		memset(extlist[total_count - 1], 0, F2FS_EXTENSION_LEN);
> -		if (hot)
> -			sbi->raw_super->hot_ext_count = hot_count - 1;
> -		else
> -			sbi->raw_super->extension_count =
> -						cpu_to_le32(cold_count - 1);
> -		return 0;
> -	}
> -
> -	if (!set)
> -		return -EINVAL;
> -
> -	if (hot) {
> -		memcpy(extlist[count], name, strlen(name));
> -		sbi->raw_super->hot_ext_count = hot_count + 1;
> -	} else {
> -		char buf[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN];
> -
> -		memcpy(buf, &extlist[cold_count],
> -				F2FS_EXTENSION_LEN * hot_count);
> -		memset(extlist[cold_count], 0, F2FS_EXTENSION_LEN);
> -		memcpy(extlist[cold_count], name, strlen(name));
> -		memcpy(&extlist[cold_count + 1], buf,
> -				F2FS_EXTENSION_LEN * hot_count);
> -		sbi->raw_super->extension_count = cpu_to_le32(cold_count + 1);
> -	}
> -	return 0;
> -}
> -
> -static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
> -						const unsigned char *name)
> -{
> -	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
> -	unsigned char (*noext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).noextensions;
> -	unsigned char (*ext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).extensions;
> -	unsigned char ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
> -	unsigned char noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
> -	int i, cold_count, hot_count;
> -
> -	if (!f2fs_sb_has_compression(sbi) ||
> -			F2FS_I(inode)->i_flags & F2FS_NOCOMP_FL ||
> -			!f2fs_may_compress(inode) ||
> -			(!ext_cnt && !noext_cnt))
> -		return;
> -
> -	f2fs_down_read(&sbi->sb_lock);
> -
> -	cold_count = le32_to_cpu(sbi->raw_super->extension_count);
> -	hot_count = sbi->raw_super->hot_ext_count;
> -
> -	for (i = cold_count; i < cold_count + hot_count; i++) {
> -		if (is_extension_exist(name, extlist[i], false)) {
> -			f2fs_up_read(&sbi->sb_lock);
> -			return;
> -		}
> -	}
> -
> -	f2fs_up_read(&sbi->sb_lock);
> -
> -	for (i = 0; i < noext_cnt; i++) {
> -		if (is_extension_exist(name, noext[i], false)) {
> -			f2fs_disable_compressed_file(inode);
> -			return;
> -		}
> -	}
> -
> -	if (is_inode_flag_set(inode, FI_COMPRESSED_FILE))
> -		return;
> -
> -	for (i = 0; i < ext_cnt; i++) {
> -		if (!is_extension_exist(name, ext[i], false))
> -			continue;
> -
> -		/* Do not use inline_data with compression */
> -		stat_dec_inline_inode(inode);
> -		clear_inode_flag(inode, FI_INLINE_DATA);
> -		set_compress_context(inode);
> -		return;
> -	}
> -}
> -
>   static int f2fs_create(struct user_namespace *mnt_userns, struct inode *dir,
>   		       struct dentry *dentry, umode_t mode, bool excl)
>   {
> @@ -352,15 +348,13 @@ static int f2fs_create(struct user_namespace *mnt_userns, struct inode *dir,
>   	if (err)
>   		return err;
>   
> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
> +	inode = f2fs_new_inode(mnt_userns, dir, mode, dentry->d_name.name);
>   	if (IS_ERR(inode))
>   		return PTR_ERR(inode);
>   
>   	if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
>   		set_file_temperature(sbi, inode, dentry->d_name.name);
>   
> -	set_compress_inode(sbi, inode, dentry->d_name.name);
> -
>   	inode->i_op = &f2fs_file_inode_operations;
>   	inode->i_fop = &f2fs_file_operations;
>   	inode->i_mapping->a_ops = &f2fs_dblock_aops;
> @@ -689,7 +683,7 @@ static int f2fs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
>   	if (err)
>   		return err;
>   
> -	inode = f2fs_new_inode(mnt_userns, dir, S_IFLNK | S_IRWXUGO);
> +	inode = f2fs_new_inode(mnt_userns, dir, S_IFLNK | S_IRWXUGO, NULL);
>   	if (IS_ERR(inode))
>   		return PTR_ERR(inode);
>   
> @@ -760,7 +754,7 @@ static int f2fs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
>   	if (err)
>   		return err;
>   
> -	inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode);
> +	inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode, NULL);
>   	if (IS_ERR(inode))
>   		return PTR_ERR(inode);
>   
> @@ -817,7 +811,7 @@ static int f2fs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
>   	if (err)
>   		return err;
>   
> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
> +	inode = f2fs_new_inode(mnt_userns, dir, mode, NULL);
>   	if (IS_ERR(inode))
>   		return PTR_ERR(inode);
>   
> @@ -856,7 +850,7 @@ static int __f2fs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
>   	if (err)
>   		return err;
>   
> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
> +	inode = f2fs_new_inode(mnt_userns, dir, mode, NULL);
>   	if (IS_ERR(inode))
>   		return PTR_ERR(inode);
>
  

On 2022/11/15 8:20, Jaegeuk Kim wrote:
> On 11/14, Jaegeuk Kim wrote:
>> If compress_extension is set, and a newly created file matches the
>> extension, the file could be marked as compression file. However,
>> if inline_data is also enabled, there is no chance to check its
>> extension since f2fs_should_compress() always returns false.
>>
>> This patch moves set_compress_inode(), which do extension check, in
>> f2fs_should_compress() to check extensions before setting inline
>> data flag.
>>
>> Fixes: 7165841d578e ("f2fs: fix to check inline_data during compressed inode conversion")
>> Signed-off-by: Sheng Yong <shengyong@oppo.com>
>> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
>> ---
>>   fs/f2fs/namei.c | 326 ++++++++++++++++++++++++------------------------
>>   1 file changed, 160 insertions(+), 166 deletions(-)
>>
>> diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
>> index e104409c3a0e..43b721d8e491 100644
>> --- a/fs/f2fs/namei.c
>> +++ b/fs/f2fs/namei.c
>> @@ -22,8 +22,160 @@
>>   #include "acl.h"
>>   #include <trace/events/f2fs.h>
>>   
>> +static inline int is_extension_exist(const unsigned char *s, const char *sub,
>> +						bool tmp_ext)
>> +{
>> +	size_t slen = strlen(s);
>> +	size_t sublen = strlen(sub);
>> +	int i;
>> +
>> +	if (sublen == 1 && *sub == '*')
>> +		return 1;
>> +
>> +	/*
>> +	 * filename format of multimedia file should be defined as:
>> +	 * "filename + '.' + extension + (optional: '.' + temp extension)".
>> +	 */
>> +	if (slen < sublen + 2)
>> +		return 0;
>> +
>> +	if (!tmp_ext) {
>> +		/* file has no temp extension */
>> +		if (s[slen - sublen - 1] != '.')
>> +			return 0;
>> +		return !strncasecmp(s + slen - sublen, sub, sublen);
>> +	}
>> +
>> +	for (i = 1; i < slen - sublen; i++) {
>> +		if (s[i] != '.')
>> +			continue;
>> +		if (!strncasecmp(s + i + 1, sub, sublen))
>> +			return 1;
>> +	}
>> +
>> +	return 0;
>> +}
>> +
>> +int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
>> +							bool hot, bool set)
>> +{
>> +	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
>> +	int cold_count = le32_to_cpu(sbi->raw_super->extension_count);
>> +	int hot_count = sbi->raw_super->hot_ext_count;
>> +	int total_count = cold_count + hot_count;
>> +	int start, count;
>> +	int i;
>> +
>> +	if (set) {
>> +		if (total_count == F2FS_MAX_EXTENSION)
>> +			return -EINVAL;
>> +	} else {
>> +		if (!hot && !cold_count)
>> +			return -EINVAL;
>> +		if (hot && !hot_count)
>> +			return -EINVAL;
>> +	}
>> +
>> +	if (hot) {
>> +		start = cold_count;
>> +		count = total_count;
>> +	} else {
>> +		start = 0;
>> +		count = cold_count;
>> +	}
>> +
>> +	for (i = start; i < count; i++) {
>> +		if (strcmp(name, extlist[i]))
>> +			continue;
>> +
>> +		if (set)
>> +			return -EINVAL;
>> +
>> +		memcpy(extlist[i], extlist[i + 1],
>> +				F2FS_EXTENSION_LEN * (total_count - i - 1));
>> +		memset(extlist[total_count - 1], 0, F2FS_EXTENSION_LEN);
>> +		if (hot)
>> +			sbi->raw_super->hot_ext_count = hot_count - 1;
>> +		else
>> +			sbi->raw_super->extension_count =
>> +						cpu_to_le32(cold_count - 1);
>> +		return 0;
>> +	}
>> +
>> +	if (!set)
>> +		return -EINVAL;
>> +
>> +	if (hot) {
>> +		memcpy(extlist[count], name, strlen(name));
>> +		sbi->raw_super->hot_ext_count = hot_count + 1;
>> +	} else {
>> +		char buf[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN];
>> +
>> +		memcpy(buf, &extlist[cold_count],
>> +				F2FS_EXTENSION_LEN * hot_count);
>> +		memset(extlist[cold_count], 0, F2FS_EXTENSION_LEN);
>> +		memcpy(extlist[cold_count], name, strlen(name));
>> +		memcpy(&extlist[cold_count + 1], buf,
>> +				F2FS_EXTENSION_LEN * hot_count);
>> +		sbi->raw_super->extension_count = cpu_to_le32(cold_count + 1);
>> +	}
>> +	return 0;
>> +}
>> +
>> +static void set_compress_new_inode(struct f2fs_sb_info *sbi, struct inode *dir,
>> +				struct inode *inode, const unsigned char *name)
>> +{
>> +	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
>> +	unsigned char (*noext)[F2FS_EXTENSION_LEN] =
>> +						F2FS_OPTION(sbi).noextensions;
>> +	unsigned char (*ext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).extensions;
>> +	unsigned char ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
>> +	unsigned char noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
>> +	int i, cold_count, hot_count;
>> +
>> +	if (!f2fs_sb_has_compression(sbi) || !name)
>> +		return;
>> +	if (!S_ISREG(inode->i_mode) && !S_ISDIR(inode->i_mode))
>> +		return;
>> +
>> +	/* Inherit the compression flag in directory */
>> +	if ((F2FS_I(dir)->i_flags & F2FS_COMPR_FL)) {
>> +		set_compress_context(inode);
>> +		return;
>> +	}
>> +
>> +	/* Start to check extension list */
>> +	if (!ext_cnt)
>> +		return;
>> +
>> +	/* Don't compress hot files. */
>> +	f2fs_down_read(&sbi->sb_lock);
>> +	cold_count = le32_to_cpu(sbi->raw_super->extension_count);
>> +	hot_count = sbi->raw_super->hot_ext_count;
>> +	for (i = cold_count; i < cold_count + hot_count; i++)
>> +		if (is_extension_exist(name, extlist[i], false))
>> +			break;
>> +	f2fs_up_read(&sbi->sb_lock);
>> +	if (i < (cold_count + hot_count))
>> +		return;
>> +
>> +	/* Don't compress unallowed extension. */
>> +	for (i = 0; i < noext_cnt; i++)
>> +		if (is_extension_exist(name, noext[i], false))
>> +			return;
>> +
>> +	/* Compress wanting extension. */
>> +	for (i = 0; i < ext_cnt; i++) {
>> +		if (is_extension_exist(name, ext[i], false)) {
>> +			set_compress_context(inode);
>> +			return;
>> +		}
>> +	}
>> +}
>> +
>>   static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
>> -						struct inode *dir, umode_t mode)
>> +						struct inode *dir, umode_t mode,
>> +						const char *name)
>>   {
>>   	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
>>   	nid_t ino;
>> @@ -114,12 +266,8 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
>>   	if (F2FS_I(inode)->i_flags & F2FS_PROJINHERIT_FL)
>>   		set_inode_flag(inode, FI_PROJ_INHERIT);
>>   
>> -	if (f2fs_sb_has_compression(sbi)) {
>> -		/* Inherit the compression flag in directory */
>> -		if ((F2FS_I(dir)->i_flags & F2FS_COMPR_FL) &&
>> -					f2fs_may_compress(inode))
>> -			set_compress_context(inode);
>> -	}
>> +	/* Check compression first. */
>> +	set_compress_new_inode(sbi, dir, inode, name);
>>   
>>   	/* Should enable inline_data after compression set */
>>   	if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode))
>> @@ -153,40 +301,6 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
>>   	return ERR_PTR(err);
>>   }
>>   
>> -static inline int is_extension_exist(const unsigned char *s, const char *sub,
>> -						bool tmp_ext)
>> -{
>> -	size_t slen = strlen(s);
>> -	size_t sublen = strlen(sub);
>> -	int i;
>> -
>> -	if (sublen == 1 && *sub == '*')
>> -		return 1;
>> -
>> -	/*
>> -	 * filename format of multimedia file should be defined as:
>> -	 * "filename + '.' + extension + (optional: '.' + temp extension)".
>> -	 */
>> -	if (slen < sublen + 2)
>> -		return 0;
>> -
>> -	if (!tmp_ext) {
>> -		/* file has no temp extension */
>> -		if (s[slen - sublen - 1] != '.')
>> -			return 0;
>> -		return !strncasecmp(s + slen - sublen, sub, sublen);
>> -	}
>> -
>> -	for (i = 1; i < slen - sublen; i++) {
>> -		if (s[i] != '.')
>> -			continue;
>> -		if (!strncasecmp(s + i + 1, sub, sublen))
>> -			return 1;
>> -	}
>> -
>> -	return 0;
>> -}
>> -
>>   /*
>>    * Set file's temperature for hot/cold data separation
>>    */
>> @@ -217,124 +331,6 @@ static inline void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *
>>   		file_set_hot(inode);
>>   }
>>   
>> -int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
>> -							bool hot, bool set)
>> -{
>> -	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
>> -	int cold_count = le32_to_cpu(sbi->raw_super->extension_count);
>> -	int hot_count = sbi->raw_super->hot_ext_count;
>> -	int total_count = cold_count + hot_count;
>> -	int start, count;
>> -	int i;
>> -
>> -	if (set) {
>> -		if (total_count == F2FS_MAX_EXTENSION)
>> -			return -EINVAL;
>> -	} else {
>> -		if (!hot && !cold_count)
>> -			return -EINVAL;
>> -		if (hot && !hot_count)
>> -			return -EINVAL;
>> -	}
>> -
>> -	if (hot) {
>> -		start = cold_count;
>> -		count = total_count;
>> -	} else {
>> -		start = 0;
>> -		count = cold_count;
>> -	}
>> -
>> -	for (i = start; i < count; i++) {
>> -		if (strcmp(name, extlist[i]))
>> -			continue;
>> -
>> -		if (set)
>> -			return -EINVAL;
>> -
>> -		memcpy(extlist[i], extlist[i + 1],
>> -				F2FS_EXTENSION_LEN * (total_count - i - 1));
>> -		memset(extlist[total_count - 1], 0, F2FS_EXTENSION_LEN);
>> -		if (hot)
>> -			sbi->raw_super->hot_ext_count = hot_count - 1;
>> -		else
>> -			sbi->raw_super->extension_count =
>> -						cpu_to_le32(cold_count - 1);
>> -		return 0;
>> -	}
>> -
>> -	if (!set)
>> -		return -EINVAL;
>> -
>> -	if (hot) {
>> -		memcpy(extlist[count], name, strlen(name));
>> -		sbi->raw_super->hot_ext_count = hot_count + 1;
>> -	} else {
>> -		char buf[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN];
>> -
>> -		memcpy(buf, &extlist[cold_count],
>> -				F2FS_EXTENSION_LEN * hot_count);
>> -		memset(extlist[cold_count], 0, F2FS_EXTENSION_LEN);
>> -		memcpy(extlist[cold_count], name, strlen(name));
>> -		memcpy(&extlist[cold_count + 1], buf,
>> -				F2FS_EXTENSION_LEN * hot_count);
>> -		sbi->raw_super->extension_count = cpu_to_le32(cold_count + 1);
>> -	}
>> -	return 0;
>> -}
>> -
>> -static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
>> -						const unsigned char *name)
>> -{
>> -	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
>> -	unsigned char (*noext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).noextensions;
>> -	unsigned char (*ext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).extensions;
>> -	unsigned char ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
>> -	unsigned char noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
>> -	int i, cold_count, hot_count;
>> -
>> -	if (!f2fs_sb_has_compression(sbi) ||
>> -			F2FS_I(inode)->i_flags & F2FS_NOCOMP_FL ||
>> -			!f2fs_may_compress(inode) ||
>> -			(!ext_cnt && !noext_cnt))
>> -		return;
>> -
>> -	f2fs_down_read(&sbi->sb_lock);
>> -
>> -	cold_count = le32_to_cpu(sbi->raw_super->extension_count);
>> -	hot_count = sbi->raw_super->hot_ext_count;
>> -
>> -	for (i = cold_count; i < cold_count + hot_count; i++) {
>> -		if (is_extension_exist(name, extlist[i], false)) {
>> -			f2fs_up_read(&sbi->sb_lock);
>> -			return;
>> -		}
>> -	}
>> -
>> -	f2fs_up_read(&sbi->sb_lock);
>> -
>> -	for (i = 0; i < noext_cnt; i++) {
>> -		if (is_extension_exist(name, noext[i], false)) {
>> -			f2fs_disable_compressed_file(inode);
>> -			return;
>> -		}
>> -	}
>> -
>> -	if (is_inode_flag_set(inode, FI_COMPRESSED_FILE))
>> -		return;
>> -
>> -	for (i = 0; i < ext_cnt; i++) {
>> -		if (!is_extension_exist(name, ext[i], false))
>> -			continue;
>> -
>> -		/* Do not use inline_data with compression */
>> -		stat_dec_inline_inode(inode);
>> -		clear_inode_flag(inode, FI_INLINE_DATA);
>> -		set_compress_context(inode);
>> -		return;
>> -	}
>> -}
>> -
>>   static int f2fs_create(struct user_namespace *mnt_userns, struct inode *dir,
>>   		       struct dentry *dentry, umode_t mode, bool excl)
>>   {
>> @@ -352,15 +348,13 @@ static int f2fs_create(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
>> +	inode = f2fs_new_inode(mnt_userns, dir, mode, dentry->d_name.name);
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>>   	if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
>>   		set_file_temperature(sbi, inode, dentry->d_name.name);
>>   
>> -	set_compress_inode(sbi, inode, dentry->d_name.name);
>> -
>>   	inode->i_op = &f2fs_file_inode_operations;
>>   	inode->i_fop = &f2fs_file_operations;
>>   	inode->i_mapping->a_ops = &f2fs_dblock_aops;
>> @@ -689,7 +683,7 @@ static int f2fs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, S_IFLNK | S_IRWXUGO);
>> +	inode = f2fs_new_inode(mnt_userns, dir, S_IFLNK | S_IRWXUGO, NULL);
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>> @@ -760,7 +754,7 @@ static int f2fs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode);
>> +	inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode, NULL);
> 
> -       inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode, NULL);
> +       inode = f2fs_new_inode(mnt_userns, dir, S_IFDIR | mode,
> +                                               dentry->d_name.name);
> 
> Should pass dentry.

It looks F2FS_COMPR_FL should be inherited for both directory and regular inode,
and the flag should be set/unset due to matched {,no}ext only for regular inode.

Thanks,

> 
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>> @@ -817,7 +811,7 @@ static int f2fs_mknod(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
>> +	inode = f2fs_new_inode(mnt_userns, dir, mode, NULL);
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>> @@ -856,7 +850,7 @@ static int __f2fs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir,
>>   	if (err)
>>   		return err;
>>   
>> -	inode = f2fs_new_inode(mnt_userns, dir, mode);
>> +	inode = f2fs_new_inode(mnt_userns, dir, mode, NULL);
>>   	if (IS_ERR(inode))
>>   		return PTR_ERR(inode);
>>   
>> -- 
>> 2.38.1.493.g58b659f92b-goog
>>
>>
>>
>> _______________________________________________
>> Linux-f2fs-devel mailing list
>> Linux-f2fs-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
> 
> 
> _______________________________________________
> Linux-f2fs-devel mailing list
> Linux-f2fs-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel