[1/6] erofs: get rid of erofs_inode_datablocks()

Message ID 20230204093040.97967-1-hsiangkao@linux.alibaba.com
State New
Headers
Series [1/6] erofs: get rid of erofs_inode_datablocks() |

Commit Message

Gao Xiang Feb. 4, 2023, 9:30 a.m. UTC
  erofs_inode_datablocks() has the only one caller, let's just get
rid of it entirely.  No logic changes.

Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
---
 fs/erofs/internal.h |  6 ------
 fs/erofs/namei.c    | 18 +++++-------------
 2 files changed, 5 insertions(+), 19 deletions(-)
  

Comments

Yue Hu Feb. 6, 2023, 1:16 a.m. UTC | #1
On Sat,  4 Feb 2023 17:30:35 +0800
Gao Xiang <hsiangkao@linux.alibaba.com> wrote:

> erofs_inode_datablocks() has the only one caller, let's just get
> rid of it entirely.  No logic changes.
> 
> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

Reviewed-by: Yue Hu <huyue2@coolpad.com>
  
Jingbo Xu Feb. 7, 2023, 8:27 a.m. UTC | #2
On 2/4/23 5:30 PM, Gao Xiang wrote:
> erofs_inode_datablocks() has the only one caller, let's just get
> rid of it entirely.  No logic changes.
> 
> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>


> ---
>  fs/erofs/internal.h |  6 ------
>  fs/erofs/namei.c    | 18 +++++-------------
>  2 files changed, 5 insertions(+), 19 deletions(-)
> 
> diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
> index 08ba817d6551..c18af21ba9c4 100644
> --- a/fs/erofs/internal.h
> +++ b/fs/erofs/internal.h
> @@ -344,12 +344,6 @@ static inline erofs_off_t erofs_iloc(struct inode *inode)
>  		(EROFS_I(inode)->nid << sbi->islotbits);
>  }
>  
> -static inline unsigned long erofs_inode_datablocks(struct inode *inode)
> -{
> -	/* since i_size cannot be changed */
> -	return DIV_ROUND_UP(inode->i_size, EROFS_BLKSIZ);
> -}
> -
>  static inline unsigned int erofs_bitrange(unsigned int value, unsigned int bit,
>  					  unsigned int bits)
>  {
> diff --git a/fs/erofs/namei.c b/fs/erofs/namei.c
> index b64a108fac92..966eabc61c13 100644
> --- a/fs/erofs/namei.c
> +++ b/fs/erofs/namei.c
> @@ -5,7 +5,6 @@
>   * Copyright (C) 2022, Alibaba Cloud
>   */
>  #include "xattr.h"
> -
>  #include <trace/events/erofs.h>
>  
>  struct erofs_qstr {
> @@ -87,19 +86,13 @@ static struct erofs_dirent *find_target_dirent(struct erofs_qstr *name,
>  	return ERR_PTR(-ENOENT);
>  }
>  
> -static void *find_target_block_classic(struct erofs_buf *target,
> -				       struct inode *dir,
> -				       struct erofs_qstr *name,
> -				       int *_ndirents)
> +static void *erofs_find_target_block(struct erofs_buf *target,
> +		struct inode *dir, struct erofs_qstr *name, int *_ndirents)
>  {
> -	unsigned int startprfx, endprfx;
> -	int head, back;
> +	int head = 0, back = DIV_ROUND_UP(dir->i_size, EROFS_BLKSIZ) - 1;
> +	unsigned int startprfx = 0, endprfx = 0;
>  	void *candidate = ERR_PTR(-ENOENT);
>  
> -	startprfx = endprfx = 0;
> -	head = 0;
> -	back = erofs_inode_datablocks(dir) - 1;
> -
>  	while (head <= back) {
>  		const int mid = head + (back - head) / 2;
>  		struct erofs_buf buf = __EROFS_BUF_INITIALIZER;
> @@ -180,8 +173,7 @@ int erofs_namei(struct inode *dir, const struct qstr *name, erofs_nid_t *nid,
>  	qn.end = name->name + name->len;
>  
>  	ndirents = 0;
> -
> -	de = find_target_block_classic(&buf, dir, &qn, &ndirents);
> +	de = erofs_find_target_block(&buf, dir, &qn, &ndirents);
>  	if (IS_ERR(de))
>  		return PTR_ERR(de);
>
  
Chao Yu Feb. 14, 2023, 1:45 p.m. UTC | #3
On 2023/2/4 17:30, Gao Xiang wrote:
> erofs_inode_datablocks() has the only one caller, let's just get
> rid of it entirely.  No logic changes.
> 
> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

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

Thanks,
  

Patch

diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
index 08ba817d6551..c18af21ba9c4 100644
--- a/fs/erofs/internal.h
+++ b/fs/erofs/internal.h
@@ -344,12 +344,6 @@  static inline erofs_off_t erofs_iloc(struct inode *inode)
 		(EROFS_I(inode)->nid << sbi->islotbits);
 }
 
-static inline unsigned long erofs_inode_datablocks(struct inode *inode)
-{
-	/* since i_size cannot be changed */
-	return DIV_ROUND_UP(inode->i_size, EROFS_BLKSIZ);
-}
-
 static inline unsigned int erofs_bitrange(unsigned int value, unsigned int bit,
 					  unsigned int bits)
 {
diff --git a/fs/erofs/namei.c b/fs/erofs/namei.c
index b64a108fac92..966eabc61c13 100644
--- a/fs/erofs/namei.c
+++ b/fs/erofs/namei.c
@@ -5,7 +5,6 @@ 
  * Copyright (C) 2022, Alibaba Cloud
  */
 #include "xattr.h"
-
 #include <trace/events/erofs.h>
 
 struct erofs_qstr {
@@ -87,19 +86,13 @@  static struct erofs_dirent *find_target_dirent(struct erofs_qstr *name,
 	return ERR_PTR(-ENOENT);
 }
 
-static void *find_target_block_classic(struct erofs_buf *target,
-				       struct inode *dir,
-				       struct erofs_qstr *name,
-				       int *_ndirents)
+static void *erofs_find_target_block(struct erofs_buf *target,
+		struct inode *dir, struct erofs_qstr *name, int *_ndirents)
 {
-	unsigned int startprfx, endprfx;
-	int head, back;
+	int head = 0, back = DIV_ROUND_UP(dir->i_size, EROFS_BLKSIZ) - 1;
+	unsigned int startprfx = 0, endprfx = 0;
 	void *candidate = ERR_PTR(-ENOENT);
 
-	startprfx = endprfx = 0;
-	head = 0;
-	back = erofs_inode_datablocks(dir) - 1;
-
 	while (head <= back) {
 		const int mid = head + (back - head) / 2;
 		struct erofs_buf buf = __EROFS_BUF_INITIALIZER;
@@ -180,8 +173,7 @@  int erofs_namei(struct inode *dir, const struct qstr *name, erofs_nid_t *nid,
 	qn.end = name->name + name->len;
 
 	ndirents = 0;
-
-	de = find_target_block_classic(&buf, dir, &qn, &ndirents);
+	de = erofs_find_target_block(&buf, dir, &qn, &ndirents);
 	if (IS_ERR(de))
 		return PTR_ERR(de);