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Linux 4.18 compat: inode timespec -> timespec64

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Commit torvalds/linux@95582b0 changes the inode i_atime, i_mtime,
and i_ctime members form timespec's to timespec64's to make them
2038 safe.  As part of this change the current_time() function was
also updated to return the timespec64 type.

Resolve this issue by introducing a new inode_timespec_t type which
is defined to match the timespec type used by the inode.  It should
be used when working with inode timestamps to ensure matching types.

The timestruc_t type under Illumos was used in a similar fashion but
was specified to always be a timespec_t.  Rather than incorrectly
define this type all timespec_t types have been replaced by the new
inode_timespec_t type.

Finally, the kernel and user space 'sys/time.h' headers were aligned
with each other.  They define as appropriate for the context several
constants as macros and include static inline implementation of
gethrestime(), gethrestime_sec(), and gethrtime().

Reviewed-by: Chunwei Chen <tuxoko@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7643
This commit is contained in:
Brian Behlendorf
2018-06-19 21:51:18 -07:00
committed by GitHub
parent aeb39df726
commit 6413c95fbd
27 changed files with 134 additions and 143 deletions
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module/zfs/zfs_vnops.c
+2 -2
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@@ -3408,7 +3408,7 @@ top:
if (mask & (ATTR_MTIME | ATTR_SIZE)) {
ZFS_TIME_ENCODE(&vap->va_mtime, mtime);
ZTOI(zp)->i_mtime = timespec_trunc(vap->va_mtime,
ZTOI(zp)->i_mtime = zpl_inode_timespec_trunc(vap->va_mtime,
ZTOI(zp)->i_sb->s_time_gran);
SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MTIME(zfsvfs), NULL,
@@ -3417,7 +3417,7 @@ top:
if (mask & (ATTR_CTIME | ATTR_SIZE)) {
ZFS_TIME_ENCODE(&vap->va_ctime, ctime);
ZTOI(zp)->i_ctime = timespec_trunc(vap->va_ctime,
ZTOI(zp)->i_ctime = zpl_inode_timespec_trunc(vap->va_ctime,
ZTOI(zp)->i_sb->s_time_gran);
SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zfsvfs), NULL,
ctime, sizeof (ctime));