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authorOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>2006-01-08 12:02:11 +0300
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-09 07:13:46 +0300
commite5174baaea7585760f02eef23b225847d209a8db (patch)
tree34198b0f205a91670104abc800ec560e14296db3 /include/linux/msdos_fs.h
parent7c709d00d614d0f2b6a80895b2a1aedbe04e8478 (diff)
downloadlinux-e5174baaea7585760f02eef23b225847d209a8db.tar.xz
[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/msdos_fs.h')
-rw-r--r--include/linux/msdos_fs.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index 941da5c016a0..e933e2a355ad 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;