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Checking file access on size change is bogus. The checks are done earlier by

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VFS where we know if this is truncate(2) or ftruncate(2). If this is the
latter we should depend on the mode the file was opened and not on the current
permission.

PR:		standards/154873
Reported by:	Mark Martinec <Mark.Martinec@ijs.si>
Discussed with:	Eric Schrock <eric.schrock@delphix.com>
Discussed with:	Mark Maybee <Mark.Maybee@Oracle.COM>
MFC after:	1 month
This commit is contained in:
pjd 2011-03-24 20:28:09 +00:00
parent e94d4d2ed6
commit a827838a1a
1 changed files with 0 additions and 5 deletions
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5
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
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@ -2962,11 +2962,6 @@ top:
*/
if (mask & AT_SIZE) {
err = zfs_zaccess(zp, ACE_WRITE_DATA, 0, skipaclchk, cr);
if (err) {
ZFS_EXIT(zfsvfs);
return (err);
}
/*
* XXX - Note, we are not providing any open
* mode flags here (like FNDELAY), so we may