* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
ENTRY;
/* FIXME: Can't do this because of nested transaction deadlock */
- if (cmd == EXT3_IOC_SETFLAGS && (*(int *)arg) & EXT3_JOURNAL_DATA_FL) {
- CERROR("can't set data journal flag on file\n");
- RETURN(-EPERM);
+ if (cmd == EXT3_IOC_SETFLAGS) {
+ /* We can't enable data journaling on OST objects, because
+ * this forces the transaction to be closed in order to
+ * flush the journal, but the caller will already have a
+ * compound transaction open to update the last_rcvd file,
+ * and this thread would deadlock trying to set the flag. */
+ if ((*(int *)arg) & EXT3_JOURNAL_DATA_FL) {
+ CERROR("can't set data journal flag on file\n");
+ RETURN(-EPERM);
+ }
+ /* Because the MDS does not see the EXTENTS_FL set on the
+ * OST objects, mask this flag into all set flags. It is
+ * not legal to clear this flag in any case, so we are not
+ * changing the functionality by doing this. b=22911 */
+ *(int *)arg |= EXT3_I(inode)->i_flags & EXT3_EXTENTS_FL;
}
#ifdef HAVE_EXT4_LDISKFS
loff_t p = pos;
int rc;
+ if (!f && !inode) {
+ CERROR("lustre_read_quota failed for no quota file!\n");
+ libcfs_debug_dumpstack(NULL);
+ return -EINVAL;
+ }
+
/* Support for both adm and op quota files must be provided */
if (f) {
rc = fsfilt_ext3_read_record(f, buf, count, &p);