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authorFrank Sorenson <sorenson@redhat.com>2018-10-30 23:06:53 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2018-10-31 16:54:14 +0100
commit6bb885ecd746752aa70d146b58f2f83e5e21813d (patch)
treef32ed7a4fda8e9fc8317adf2b024cd87d05fcc5a /fs/fat/fat.h
parentfat: create a function to calculate the timezone offest (diff)
downloadlinux-6bb885ecd746752aa70d146b58f2f83e5e21813d.tar.xz
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fat: add functions to update and truncate timestamps appropriately
Add the fat-specific inode_operation ->update_time() and fat_truncate_time() function to truncate the inode timestamps from 1 nanosecond to the appropriate granularity. Link: http://lkml.kernel.org/r/38af1ba3c3cf0d7381ce7b63077ef8af75901532.1538363961.git.sorenson@redhat.com Signed-off-by: Frank Sorenson <sorenson@redhat.com> Acked-by: 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.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index 9d7d2d5da28b..4e1b2f6df5e6 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -416,6 +416,10 @@ extern void fat_time_fat2unix(struct msdos_sb_info *sbi, struct timespec64 *ts,
__le16 __time, __le16 __date, u8 time_cs);
extern void fat_time_unix2fat(struct msdos_sb_info *sbi, struct timespec64 *ts,
__le16 *time, __le16 *date, u8 *time_cs);
+extern int fat_truncate_time(struct inode *inode, struct timespec64 *now,
+ int flags);
+extern int fat_update_time(struct inode *inode, struct timespec64 *now,
+ int flags);
extern int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs);
int fat_cache_init(void);