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f2fs: rename f2fs_set/clear_bit to f2fs_test_and_set/clear_bit

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Rename f2fs_set/clear_bit to f2fs_test_and_set/clear_bit, which mean
set/clear bit and return the old value, for better readability.

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Gu Zheng
2014-10-20 17:45:51 +08:00
committed by Jaegeuk Kim
parent 1730663cb7
commit 52aca07425
2 changed files with 4 additions and 4 deletions
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4
fs/f2fs/f2fs.h
View File

@@ -1049,7 +1049,7 @@ static inline int f2fs_test_bit(unsigned int nr, char *addr)
return mask & *addr; return mask & *addr;
} }
static inline int f2fs_set_bit(unsigned int nr, char *addr) static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr)
{ {
int mask; int mask;
int ret; int ret;
@@ -1061,7 +1061,7 @@ static inline int f2fs_set_bit(unsigned int nr, char *addr)
return ret; return ret;
} }
static inline int f2fs_clear_bit(unsigned int nr, char *addr) static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr)
{ {
int mask; int mask;
int ret; int ret;

4
fs/f2fs/segment.c
View File

@@ -648,10 +648,10 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
/* Update valid block bitmap */ /* Update valid block bitmap */
if (del > 0) { if (del > 0) {
if (f2fs_set_bit(offset, se->cur_valid_map)) if (f2fs_test_and_set_bit(offset, se->cur_valid_map))
f2fs_bug_on(sbi, 1); f2fs_bug_on(sbi, 1);
} else { } else {
if (!f2fs_clear_bit(offset, se->cur_valid_map)) if (!f2fs_test_and_clear_bit(offset, se->cur_valid_map))
f2fs_bug_on(sbi, 1); f2fs_bug_on(sbi, 1);
} }
if (!f2fs_test_bit(offset, se->ckpt_valid_map)) if (!f2fs_test_bit(offset, se->ckpt_valid_map))