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Fix problem in ZFS ZIL layer where unclean shutdown of filesystem can change

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replayed file permissions to 777. Patch from FreeBSD. Original commit message:

Be careful which vattr fields are set during setattr replay.
Without this fix strange things can appear after unclean shutdown like
files with mode set to 07777.
This commit is contained in:
haad 2010-01-10 01:35:39 +00:00
parent 06c042e9bc
commit f1a671f674
1 changed files with 8 additions and 4 deletions
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12
external/cddl/osnet/dist/uts/common/fs/zfs/zfs_replay.c vendored
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@ -60,10 +60,14 @@ zfs_init_vattr(vattr_t *vap, uint64_t mask, uint64_t mode,
{
VATTR_NULL(vap);
vap->va_mask = (uint_t)mask;
vap->va_type = IFTOVT(mode);
vap->va_mode = mode & MODEMASK;
vap->va_uid = (uid_t)(IS_EPHEMERAL(uid)) ? -1 : uid;
vap->va_gid = (gid_t)(IS_EPHEMERAL(gid)) ? -1 : gid;
if (mask & AT_TYPE)
vap->va_type = IFTOVT(mode);
if (mask & AT_MODE)
vap->va_mode = mode & MODEMASK;
if (mask & AT_UID)
vap->va_uid = (uid_t)(IS_EPHEMERAL(uid)) ? -1 : uid;
if (mask & AT_GID)
vap->va_gid = (gid_t)(IS_EPHEMERAL(gid)) ? -1 : gid;
vap->va_rdev = zfs_cmpldev(rdev);
vap->va_nodeid = nodeid;
}