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f2fs: refactor f2fs_convert_inline_data

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Change log from v1:
 o handle NULL pointer of grab_cache_page_write_begin() pointed by Chao Yu.

This patch refactors f2fs_convert_inline_data to check a couple of conditions
internally for deciding whether it needs to convert inline_data or not.

So, the new f2fs_convert_inline_data initially checks:
1) f2fs_has_inline_data(), and
2) the data size to be changed.

If the inode has inline_data but the size to fill is less than MAX_INLINE_DATA,
then we don't need to convert the inline_data with data allocation.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim
2013-12-27 12:28:59 +09:00
parent 26f466f4a9
commit 9e09fc855d
4 changed files with 28 additions and 41 deletions
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fs/f2fs/f2fs.h
+1 -1
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@@ -1302,6 +1302,6 @@ extern const struct inode_operations f2fs_special_inode_operations;
inline int f2fs_has_inline_data(struct inode *);
bool f2fs_may_inline(struct inode *);
int f2fs_read_inline_data(struct inode *, struct page *);
int f2fs_convert_inline_data(struct inode *, struct page *, unsigned);
int f2fs_convert_inline_data(struct inode *, pgoff_t);
int f2fs_write_inline_data(struct inode *, struct page *, unsigned int);
#endif