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

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:
Pawel Jakub Dawidek 2011-03-24 20:28:09 +00:00
parent f9db2550b2
commit 65612637e8
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=219973

View File

@ -2962,11 +2962,6 @@ zfs_setattr(vnode_t *vp, vattr_t *vap, int flags, cred_t *cr,
*/
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