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Commit 61e0f2d0 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: test before set/clear bits 



If the bit is already set, we don't need to reset it, and vice versa.
Because we don't need to make the caches dirty for that.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 01229f5e

fs/f2fs/f2fs.h

+4 −2
Original line number Original line Diff line number Diff line
@@ -1003,6 +1003,7 @@ enum { 




static inline void set_inode_flag(struct f2fs_inode_info *fi, int flag)

static inline void set_inode_flag(struct f2fs_inode_info *fi, int flag)

{

{

	if (!test_bit(flag, &fi->flags))

		set_bit(flag, &fi->flags);

		set_bit(flag, &fi->flags);

}

}
@@ -1013,6 +1014,7 @@ static inline int is_inode_flag_set(struct f2fs_inode_info *fi, int flag) 




static inline void clear_inode_flag(struct f2fs_inode_info *fi, int flag)

static inline void clear_inode_flag(struct f2fs_inode_info *fi, int flag)

{

{

	if (test_bit(flag, &fi->flags))

		clear_bit(flag, &fi->flags);

		clear_bit(flag, &fi->flags);

}

}