diff mbox series

[v2] f2fs: merge f2fs_show_injection_info() into time_to_inject()

Message ID 20221219132517.17576-1-frank.li@vivo.com
State New
Headers
Series [v2] f2fs: merge f2fs_show_injection_info() into time_to_inject() |

Commit Message

李扬韬 Dec. 19, 2022, 1:25 p.m. UTC 
  There is no need to additionally use f2fs_show_injection_info()
to output information. Concatenate time_to_inject() and
__time_to_inject() via a macro. In the new __time_to_inject()
function, pass in the caller function name. And in order to avoid
this inline function is not expanded causing __builtin_return_address(0)
return address of of time_to_inject(), mark time_to_inject() as
__always_inline.

In this way, we no longer need the f2fs_show_injection_info() function,
and let's remove it.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
---
v2:
-mark time_to_inject() as __always_inline
 fs/f2fs/checkpoint.c |  5 +----
 fs/f2fs/data.c       |  8 ++------
 fs/f2fs/dir.c        |  4 +---
 fs/f2fs/f2fs.h       | 43 +++++++++++++------------------------------
 fs/f2fs/file.c       |  4 +---
 fs/f2fs/gc.c         |  4 +---
 fs/f2fs/inode.c      |  4 +---
 fs/f2fs/node.c       |  4 +---
 fs/f2fs/segment.c    |  5 +----
 fs/f2fs/super.c      |  8 ++------
 10 files changed, 24 insertions(+), 65 deletions(-)

Comments

Chao Yu Dec. 20, 2022, 7:24 a.m. UTC | #1 
On 2022/12/19 21:25, Yangtao Li wrote:
> There is no need to additionally use f2fs_show_injection_info()
> to output information. Concatenate time_to_inject() and
> __time_to_inject() via a macro. In the new __time_to_inject()
> function, pass in the caller function name. And in order to avoid
> this inline function is not expanded causing __builtin_return_address(0)
> return address of of time_to_inject(), mark time_to_inject() as
> __always_inline.

IMO, we'd better have a good reason (maybe performace related) to change
inline to __always_inline, rather than avoiding printed message change
due to compile option.

> -static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
> +#define time_to_inject(sbi, type) __time_to_inject(sbi, type, __func__)
> +static __always_inline bool __time_to_inject(struct f2fs_sb_info *sbi, int type,
> +								    const char *func_name)

How about:

#define time_to_inject(sbi, type) __time_to_inject(sbi, type, __func__,	\
					__builtin_return_address(0))
static inline bool __time_to_inject(struct f2fs_sb_info *sbi, int type,
				const char *func, const char *parent_func)

Thanks,
diff mbox series

Patch

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 56f7d0d6a8b2..d68b3c991888 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -171,10 +171,8 @@  static bool __is_bitmap_valid(struct f2fs_sb_info *sbi, block_t blkaddr,
 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
 					block_t blkaddr, int type)
 {
-	if (time_to_inject(sbi, FAULT_BLKADDR)) {
-		f2fs_show_injection_info(sbi, FAULT_BLKADDR);
+	if (time_to_inject(sbi, FAULT_BLKADDR))
 		return false;
-	}
 
 	switch (type) {
 	case META_NAT:
@@ -622,7 +620,6 @@  int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi)
 
 	if (time_to_inject(sbi, FAULT_ORPHAN)) {
 		spin_unlock(&im->ino_lock);
-		f2fs_show_injection_info(sbi, FAULT_ORPHAN);
 		return -ENOSPC;
 	}
 
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index c77442a42f89..873908ed20f7 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -295,10 +295,8 @@  static void f2fs_read_end_io(struct bio *bio)
 	iostat_update_and_unbind_ctx(bio, 0);
 	ctx = bio->bi_private;
 
-	if (time_to_inject(sbi, FAULT_READ_IO)) {
-		f2fs_show_injection_info(sbi, FAULT_READ_IO);
+	if (time_to_inject(sbi, FAULT_READ_IO))
 		bio->bi_status = BLK_STS_IOERR;
-	}
 
 	if (bio->bi_status) {
 		f2fs_finish_read_bio(bio, intask);
@@ -335,10 +333,8 @@  static void f2fs_write_end_io(struct bio *bio)
 	iostat_update_and_unbind_ctx(bio, 1);
 	sbi = bio->bi_private;
 
-	if (time_to_inject(sbi, FAULT_WRITE_IO)) {
-		f2fs_show_injection_info(sbi, FAULT_WRITE_IO);
+	if (time_to_inject(sbi, FAULT_WRITE_IO))
 		bio->bi_status = BLK_STS_IOERR;
-	}
 
 	bio_for_each_segment_all(bvec, bio, iter_all) {
 		struct page *page = bvec->bv_page;
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 8e025157f35c..9ccdbe120425 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -732,10 +732,8 @@  int f2fs_add_regular_entry(struct inode *dir, const struct f2fs_filename *fname,
 	}
 
 start:
-	if (time_to_inject(F2FS_I_SB(dir), FAULT_DIR_DEPTH)) {
-		f2fs_show_injection_info(F2FS_I_SB(dir), FAULT_DIR_DEPTH);
+	if (time_to_inject(F2FS_I_SB(dir), FAULT_DIR_DEPTH))
 		return -ENOSPC;
-	}
 
 	if (unlikely(current_depth == MAX_DIR_HASH_DEPTH))
 		return -ENOSPC;
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 4035dab1f570..6298bc030246 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1875,12 +1875,9 @@  struct f2fs_sb_info {
 };
 
 #ifdef CONFIG_F2FS_FAULT_INJECTION
-#define f2fs_show_injection_info(sbi, type)					\
-	printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n",	\
-		KERN_INFO, sbi->sb->s_id,				\
-		f2fs_fault_name[type],					\
-		__func__, __builtin_return_address(0))
-static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
+#define time_to_inject(sbi, type) __time_to_inject(sbi, type, __func__)
+static __always_inline bool __time_to_inject(struct f2fs_sb_info *sbi, int type,
+								    const char *func_name)
 {
 	struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info;
 
@@ -1893,12 +1890,14 @@  static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
 	atomic_inc(&ffi->inject_ops);
 	if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) {
 		atomic_set(&ffi->inject_ops, 0);
+		printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n",
+			KERN_INFO, sbi->sb->s_id, f2fs_fault_name[type],
+			func_name, __builtin_return_address(0));
 		return true;
 	}
 	return false;
 }
 #else
-#define f2fs_show_injection_info(sbi, type) do { } while (0)
 static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
 {
 	return false;
@@ -2231,10 +2230,8 @@  static inline void f2fs_lock_op(struct f2fs_sb_info *sbi)
 
 static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi)
 {
-	if (time_to_inject(sbi, FAULT_LOCK_OP)) {
-		f2fs_show_injection_info(sbi, FAULT_LOCK_OP);
+	if (time_to_inject(sbi, FAULT_LOCK_OP))
 		return 0;
-	}
 	return f2fs_down_read_trylock(&sbi->cp_rwsem);
 }
 
@@ -2322,7 +2319,6 @@  static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
 		return ret;
 
 	if (time_to_inject(sbi, FAULT_BLOCK)) {
-		f2fs_show_injection_info(sbi, FAULT_BLOCK);
 		release = *count;
 		goto release_quota;
 	}
@@ -2602,10 +2598,8 @@  static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,
 			return err;
 	}
 
-	if (time_to_inject(sbi, FAULT_BLOCK)) {
-		f2fs_show_injection_info(sbi, FAULT_BLOCK);
+	if (time_to_inject(sbi, FAULT_BLOCK))
 		goto enospc;
-	}
 
 	spin_lock(&sbi->stat_lock);
 
@@ -2729,11 +2723,8 @@  static inline struct page *f2fs_grab_cache_page(struct address_space *mapping,
 		if (page)
 			return page;
 
-		if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) {
-			f2fs_show_injection_info(F2FS_M_SB(mapping),
-							FAULT_PAGE_ALLOC);
+		if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC))
 			return NULL;
-		}
 	}
 
 	if (!for_write)
@@ -2750,10 +2741,8 @@  static inline struct page *f2fs_pagecache_get_page(
 				struct address_space *mapping, pgoff_t index,
 				int fgp_flags, gfp_t gfp_mask)
 {
-	if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) {
-		f2fs_show_injection_info(F2FS_M_SB(mapping), FAULT_PAGE_GET);
+	if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET))
 		return NULL;
-	}
 
 	return pagecache_get_page(mapping, index, fgp_flags, gfp_mask);
 }
@@ -2803,10 +2792,8 @@  static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep,
 	if (nofail)
 		return f2fs_kmem_cache_alloc_nofail(cachep, flags);
 
-	if (time_to_inject(sbi, FAULT_SLAB_ALLOC)) {
-		f2fs_show_injection_info(sbi, FAULT_SLAB_ALLOC);
+	if (time_to_inject(sbi, FAULT_SLAB_ALLOC))
 		return NULL;
-	}
 
 	return kmem_cache_alloc(cachep, flags);
 }
@@ -3380,10 +3367,8 @@  static inline bool is_dot_dotdot(const u8 *name, size_t len)
 static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
 					size_t size, gfp_t flags)
 {
-	if (time_to_inject(sbi, FAULT_KMALLOC)) {
-		f2fs_show_injection_info(sbi, FAULT_KMALLOC);
+	if (time_to_inject(sbi, FAULT_KMALLOC))
 		return NULL;
-	}
 
 	return kmalloc(size, flags);
 }
@@ -3397,10 +3382,8 @@  static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi,
 static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi,
 					size_t size, gfp_t flags)
 {
-	if (time_to_inject(sbi, FAULT_KVMALLOC)) {
-		f2fs_show_injection_info(sbi, FAULT_KVMALLOC);
+	if (time_to_inject(sbi, FAULT_KVMALLOC))
 		return NULL;
-	}
 
 	return kvmalloc(size, flags);
 }
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index cad4bdd6f097..ef25b5b14b10 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -782,10 +782,8 @@  int f2fs_truncate(struct inode *inode)
 
 	trace_f2fs_truncate(inode);
 
-	if (time_to_inject(F2FS_I_SB(inode), FAULT_TRUNCATE)) {
-		f2fs_show_injection_info(F2FS_I_SB(inode), FAULT_TRUNCATE);
+	if (time_to_inject(F2FS_I_SB(inode), FAULT_TRUNCATE))
 		return -EIO;
-	}
 
 	err = f2fs_dquot_initialize(inode);
 	if (err)
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 83e68ec7763d..2b9891efcfee 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -72,11 +72,9 @@  static int gc_thread_func(void *data)
 			continue;
 		}
 
-		if (time_to_inject(sbi, FAULT_CHECKPOINT)) {
-			f2fs_show_injection_info(sbi, FAULT_CHECKPOINT);
+		if (time_to_inject(sbi, FAULT_CHECKPOINT))
 			f2fs_stop_checkpoint(sbi, false,
 					STOP_CP_REASON_FAULT_INJECT);
-		}
 
 		if (!sb_start_write_trylock(sbi->sb)) {
 			stat_other_skip_bggc_count(sbi);
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index ff6cf66ed46b..01b9e6f85f6b 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -809,10 +809,8 @@  void f2fs_evict_inode(struct inode *inode)
 	if (F2FS_HAS_BLOCKS(inode))
 		err = f2fs_truncate(inode);
 
-	if (time_to_inject(sbi, FAULT_EVICT_INODE)) {
-		f2fs_show_injection_info(sbi, FAULT_EVICT_INODE);
+	if (time_to_inject(sbi, FAULT_EVICT_INODE))
 		err = -EIO;
-	}
 
 	if (!err) {
 		f2fs_lock_op(sbi);
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index dde4c0458704..8e87be0fa85e 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2544,10 +2544,8 @@  bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid)
 	struct f2fs_nm_info *nm_i = NM_I(sbi);
 	struct free_nid *i = NULL;
 retry:
-	if (time_to_inject(sbi, FAULT_ALLOC_NID)) {
-		f2fs_show_injection_info(sbi, FAULT_ALLOC_NID);
+	if (time_to_inject(sbi, FAULT_ALLOC_NID))
 		return false;
-	}
 
 	spin_lock(&nm_i->nid_list_lock);
 
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 25ddea478fc1..573955d9aed7 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -384,10 +384,8 @@  int f2fs_commit_atomic_write(struct inode *inode)
  */
 void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need)
 {
-	if (time_to_inject(sbi, FAULT_CHECKPOINT)) {
-		f2fs_show_injection_info(sbi, FAULT_CHECKPOINT);
+	if (time_to_inject(sbi, FAULT_CHECKPOINT))
 		f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_FAULT_INJECT);
-	}
 
 	/* balance_fs_bg is able to be pending */
 	if (need && excess_cached_nats(sbi))
@@ -1142,7 +1140,6 @@  static int __submit_discard_cmd(struct f2fs_sb_info *sbi,
 		dc->len += len;
 
 		if (time_to_inject(sbi, FAULT_DISCARD)) {
-			f2fs_show_injection_info(sbi, FAULT_DISCARD);
 			err = -EIO;
 		} else {
 			err = __blkdev_issue_discard(bdev,
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 1f812b9ce985..73e779d3b2e7 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1372,10 +1372,8 @@  static struct inode *f2fs_alloc_inode(struct super_block *sb)
 {
 	struct f2fs_inode_info *fi;
 
-	if (time_to_inject(F2FS_SB(sb), FAULT_SLAB_ALLOC)) {
-		f2fs_show_injection_info(F2FS_SB(sb), FAULT_SLAB_ALLOC);
+	if (time_to_inject(F2FS_SB(sb), FAULT_SLAB_ALLOC))
 		return NULL;
-	}
 
 	fi = alloc_inode_sb(sb, f2fs_inode_cachep, GFP_F2FS_ZERO);
 	if (!fi)
@@ -2595,10 +2593,8 @@  static ssize_t f2fs_quota_write(struct super_block *sb, int type,
 
 int f2fs_dquot_initialize(struct inode *inode)
 {
-	if (time_to_inject(F2FS_I_SB(inode), FAULT_DQUOT_INIT)) {
-		f2fs_show_injection_info(F2FS_I_SB(inode), FAULT_DQUOT_INIT);
+	if (time_to_inject(F2FS_I_SB(inode), FAULT_DQUOT_INIT))
 		return -ESRCH;
-	}
 
 	return dquot_initialize(inode);
 }