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| author | OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> | 2006-01-08 01:02:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-08 20:13:46 -0800 |
| commit | e5174baaea7585760f02eef23b225847d209a8db (patch) | |
| tree | 34198b0f205a91670104abc800ec560e14296db3 /include/linux | |
| parent | 7c709d00d614d0f2b6a80895b2a1aedbe04e8478 (diff) | |
| download | op-kernel-dev-e5174baaea7585760f02eef23b225847d209a8db.zip op-kernel-dev-e5174baaea7585760f02eef23b225847d209a8db.tar.gz | |
[PATCH] fat: support ->direct_IO()
This patch add to support of ->direct_IO() for mostly read.
The user of this seems to want to use for streaming read. So, current direct
I/O has limitation, it can only overwrite. (For write operation, mainly we
need to handle the hole etc..)
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/msdos_fs.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h index 941da5c..e933e2a 100644 --- a/include/linux/msdos_fs.h +++ b/include/linux/msdos_fs.h @@ -329,7 +329,8 @@ 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_bmap(struct inode *inode, sector_t sector, sector_t *phys); +extern int fat_bmap(struct inode *inode, sector_t sector, sector_t *phys, + unsigned long *mapped_blocks); /* fat/dir.c */ extern struct file_operations fat_dir_operations; |
