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authorArnd Bergmann <arnd@arndb.de>2018-07-29 15:51:00 -0400
committerTheodore Ts'o <tytso@mit.edu>2018-07-29 15:51:00 -0400
commit7b62b293200ffaba5b281668ba7102cb4209774f (patch)
treea51125660076448f7fc84a31edf71f2310b0378d /fs/ext4/ext4.h
parent5ffff834322281f550b10c958fd9dd85679b8dbb (diff)
downloadlinux-7b62b293200ffaba5b281668ba7102cb4209774f.tar.bz2
ext4: use timespec64 for all inode times
This is the last missing piece for the inode times on 32-bit systems: now that VFS interfaces use timespec64, we just need to stop truncating the tv_sec values for y2038 compatibililty. Reviewed-by: Andreas Dilger <adilger@dilger.ca> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
-rw-r--r--fs/ext4/ext4.h22
1 files changed, 9 insertions, 13 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 7c7123f265c2..1d7dac2df6e8 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -789,17 +789,16 @@ struct move_extent {
* affected filesystem before 2242.
*/
-static inline __le32 ext4_encode_extra_time(struct timespec *time)
+static inline __le32 ext4_encode_extra_time(struct timespec64 *time)
{
- u32 extra = sizeof(time->tv_sec) > 4 ?
- ((time->tv_sec - (s32)time->tv_sec) >> 32) & EXT4_EPOCH_MASK : 0;
+ u32 extra =((time->tv_sec - (s32)time->tv_sec) >> 32) & EXT4_EPOCH_MASK;
return cpu_to_le32(extra | (time->tv_nsec << EXT4_EPOCH_BITS));
}
-static inline void ext4_decode_extra_time(struct timespec *time, __le32 extra)
+static inline void ext4_decode_extra_time(struct timespec64 *time,
+ __le32 extra)
{
- if (unlikely(sizeof(time->tv_sec) > 4 &&
- (extra & cpu_to_le32(EXT4_EPOCH_MASK)))) {
+ if (unlikely(extra & cpu_to_le32(EXT4_EPOCH_MASK))) {
#if 1
/* Handle legacy encoding of pre-1970 dates with epoch
@@ -821,9 +820,8 @@ static inline void ext4_decode_extra_time(struct timespec *time, __le32 extra)
do { \
(raw_inode)->xtime = cpu_to_le32((inode)->xtime.tv_sec); \
if (EXT4_FITS_IN_INODE(raw_inode, EXT4_I(inode), xtime ## _extra)) {\
- struct timespec ts = timespec64_to_timespec((inode)->xtime); \
(raw_inode)->xtime ## _extra = \
- ext4_encode_extra_time(&ts); \
+ ext4_encode_extra_time(&(inode)->xtime); \
} \
} while (0)
@@ -840,10 +838,8 @@ do { \
do { \
(inode)->xtime.tv_sec = (signed)le32_to_cpu((raw_inode)->xtime); \
if (EXT4_FITS_IN_INODE(raw_inode, EXT4_I(inode), xtime ## _extra)) { \
- struct timespec ts = timespec64_to_timespec((inode)->xtime); \
- ext4_decode_extra_time(&ts, \
+ ext4_decode_extra_time(&(inode)->xtime, \
raw_inode->xtime ## _extra); \
- (inode)->xtime = timespec_to_timespec64(ts); \
} \
else \
(inode)->xtime.tv_nsec = 0; \
@@ -993,9 +989,9 @@ struct ext4_inode_info {
/*
* File creation time. Its function is same as that of
- * struct timespec i_{a,c,m}time in the generic inode.
+ * struct timespec64 i_{a,c,m}time in the generic inode.
*/
- struct timespec i_crtime;
+ struct timespec64 i_crtime;
/* mballoc */
struct list_head i_prealloc_list;