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f2fs: make f2fs_read_inline_data() more readable

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In f2fs_read_inline_data(), it is confused with checking of
inline_data flag, as we checked it before calling. So this
patch add some comments for f2fs_has_inline_data().

Signed-off-by: Chao Liu <liuchao@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Liu 2022-05-19 18:40:10 +08:00 committed by Jaegeuk Kim
parent 677a82b44e
commit d9c454ab22
1 changed files with 4 additions and 0 deletions
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4
fs/f2fs/f2fs.h
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@ -3167,6 +3167,10 @@ static inline int inline_xattr_size(struct inode *inode)
return 0;
}
/*
* Notice: check inline_data flag without inode page lock is unsafe.
* It could change at any time by f2fs_convert_inline_page().
*/
static inline int f2fs_has_inline_data(struct inode *inode)
{
return is_inode_flag_set(inode, FI_INLINE_DATA);