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authorNamjae Jeon <namjae.jeon@samsung.com>2016-01-20 14:59:46 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-20 17:09:18 -0800
commit16fab2015099a937e1a771f2785c5dd3445fe483 (patch)
treeae61dae3b71d44c4d1de3be2b5ff9e45c71260f5 /fs/fat/fat.h
parent7e0f236b5b9cc23aa004eb58ee2201f294d0422a (diff)
fat: permit to return phy block number by fibmap in fallocated region
Make the fibmap call return the proper physical block number for any offset request in the fallocated range. Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/fat/fat.h')
-rw-r--r--fs/fat/fat.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index eed04c0efb11..4307cd4f8da0 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -285,8 +285,11 @@ static inline void fatwchar_to16(__u8 *dst, const wchar_t *src, size_t len)
extern void fat_cache_inval_inode(struct inode *inode);
extern int fat_get_cluster(struct inode *inode, int cluster,
int *fclus, int *dclus);
+extern int fat_get_mapped_cluster(struct inode *inode, sector_t sector,
+ sector_t last_block,
+ unsigned long *mapped_blocks, sector_t *bmap);
extern int fat_bmap(struct inode *inode, sector_t sector, sector_t *phys,
- unsigned long *mapped_blocks, int create);
+ unsigned long *mapped_blocks, int create, bool from_bmap);
/* fat/dir.c */
extern const struct file_operations fat_dir_operations;