(XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL));
ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) !=
(XFS_ILOCK_SHARED | XFS_ILOCK_EXCL));
- ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_DEP_MASK)) == 0);
+ ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_SUBCLASS_MASK)) == 0);
if (lock_flags & XFS_IOLOCK_EXCL)
mrupdate_nested(&ip->i_iolock, XFS_IOLOCK_DEP(lock_flags));
(XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL));
ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) !=
(XFS_ILOCK_SHARED | XFS_ILOCK_EXCL));
- ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_DEP_MASK)) == 0);
+ ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_SUBCLASS_MASK)) == 0);
if (lock_flags & XFS_IOLOCK_EXCL) {
if (!mrtryupdate(&ip->i_iolock))
(XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL));
ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) !=
(XFS_ILOCK_SHARED | XFS_ILOCK_EXCL));
- ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_DEP_MASK)) == 0);
+ ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_SUBCLASS_MASK)) == 0);
ASSERT(lock_flags != 0);
if (lock_flags & XFS_IOLOCK_EXCL)
/*
* Bump the subclass so xfs_lock_inodes() acquires each lock with a different
- * value. This shouldn't be called for page fault locking, but we also need to
- * ensure we don't overrun the number of lockdep subclasses for the iolock or
- * mmaplock as that is limited to 12 by the mmap lock lockdep annotations.
+ * value. This can be called for any type of inode lock combination, including
+ * parent locking. Care must be taken to ensure we don't overrun the subclass
+ * storage fields in the class mask we build.
*/
static inline int
xfs_lock_inumorder(int lock_mode, int subclass)
{
+ int class = 0;
+
+ ASSERT(!(lock_mode & (XFS_ILOCK_PARENT | XFS_ILOCK_RTBITMAP |
+ XFS_ILOCK_RTSUM)));
+
if (lock_mode & (XFS_IOLOCK_SHARED|XFS_IOLOCK_EXCL)) {
- ASSERT(subclass + XFS_LOCK_INUMORDER <
- (1 << (XFS_MMAPLOCK_SHIFT - XFS_IOLOCK_SHIFT)));
- lock_mode |= (subclass + XFS_LOCK_INUMORDER) << XFS_IOLOCK_SHIFT;
+ ASSERT(subclass <= XFS_IOLOCK_MAX_SUBCLASS);
+ ASSERT(subclass + XFS_IOLOCK_PARENT_VAL <
+ MAX_LOCKDEP_SUBCLASSES);
+ class += subclass << XFS_IOLOCK_SHIFT;
+ if (lock_mode & XFS_IOLOCK_PARENT)
+ class += XFS_IOLOCK_PARENT_VAL << XFS_IOLOCK_SHIFT;
}
if (lock_mode & (XFS_MMAPLOCK_SHARED|XFS_MMAPLOCK_EXCL)) {
- ASSERT(subclass + XFS_LOCK_INUMORDER <
- (1 << (XFS_ILOCK_SHIFT - XFS_MMAPLOCK_SHIFT)));
- lock_mode |= (subclass + XFS_LOCK_INUMORDER) <<
- XFS_MMAPLOCK_SHIFT;
+ ASSERT(subclass <= XFS_MMAPLOCK_MAX_SUBCLASS);
+ class += subclass << XFS_MMAPLOCK_SHIFT;
}
- if (lock_mode & (XFS_ILOCK_SHARED|XFS_ILOCK_EXCL))
- lock_mode |= (subclass + XFS_LOCK_INUMORDER) << XFS_ILOCK_SHIFT;
+ if (lock_mode & (XFS_ILOCK_SHARED|XFS_ILOCK_EXCL)) {
+ ASSERT(subclass <= XFS_ILOCK_MAX_SUBCLASS);
+ class += subclass << XFS_ILOCK_SHIFT;
+ }
- return lock_mode;
+ return (lock_mode & ~XFS_LOCK_SUBCLASS_MASK) | class;
}
/*
* transaction (such as truncate). This can result in deadlock since the long
* running trans might need to wait for the inode we just locked in order to
* push the tail and free space in the log.
+ *
+ * xfs_lock_inodes() can only be used to lock one type of lock at a time -
+ * the iolock, the mmaplock or the ilock, but not more than one at a time. If we
+ * lock more than one at a time, lockdep will report false positives saying we
+ * have violated locking orders.
*/
void
xfs_lock_inodes(
int attempts = 0, i, j, try_lock;
xfs_log_item_t *lp;
- /* currently supports between 2 and 5 inodes */
+ /*
+ * Currently supports between 2 and 5 inodes with exclusive locking. We
+ * support an arbitrary depth of locking here, but absolute limits on
+ * inodes depend on the the type of locking and the limits placed by
+ * lockdep annotations in xfs_lock_inumorder. These are all checked by
+ * the asserts.
+ */
ASSERT(ips && inodes >= 2 && inodes <= 5);
+ ASSERT(lock_mode & (XFS_IOLOCK_EXCL | XFS_MMAPLOCK_EXCL |
+ XFS_ILOCK_EXCL));
+ ASSERT(!(lock_mode & (XFS_IOLOCK_SHARED | XFS_MMAPLOCK_SHARED |
+ XFS_ILOCK_SHARED)));
+ ASSERT(!(lock_mode & XFS_IOLOCK_EXCL) ||
+ inodes <= XFS_IOLOCK_MAX_SUBCLASS + 1);
+ ASSERT(!(lock_mode & XFS_MMAPLOCK_EXCL) ||
+ inodes <= XFS_MMAPLOCK_MAX_SUBCLASS + 1);
+ ASSERT(!(lock_mode & XFS_ILOCK_EXCL) ||
+ inodes <= XFS_ILOCK_MAX_SUBCLASS + 1);
+
+ if (lock_mode & XFS_IOLOCK_EXCL) {
+ ASSERT(!(lock_mode & (XFS_MMAPLOCK_EXCL | XFS_ILOCK_EXCL)));
+ } else if (lock_mode & XFS_MMAPLOCK_EXCL)
+ ASSERT(!(lock_mode & XFS_ILOCK_EXCL));
try_lock = 0;
i = 0;
{
xfs_ino_t inum;
int error;
- uint lock_mode;
trace_xfs_lookup(dp, name);
if (XFS_FORCED_SHUTDOWN(dp->i_mount))
return -EIO;
- lock_mode = xfs_ilock_data_map_shared(dp);
+ xfs_ilock(dp, XFS_IOLOCK_SHARED);
error = xfs_dir_lookup(NULL, dp, name, &inum, ci_name);
- xfs_iunlock(dp, lock_mode);
-
if (error)
- goto out;
+ goto out_unlock;
error = xfs_iget(dp->i_mount, NULL, inum, 0, 0, ipp);
if (error)
goto out_free_name;
+ xfs_iunlock(dp, XFS_IOLOCK_SHARED);
return 0;
out_free_name:
if (ci_name)
kmem_free(ci_name->name);
-out:
+out_unlock:
+ xfs_iunlock(dp, XFS_IOLOCK_SHARED);
*ipp = NULL;
return error;
}
if (ip->i_d.di_version == 3) {
ASSERT(ip->i_d.di_ino == ino);
- ASSERT(uuid_equal(&ip->i_d.di_uuid, &mp->m_sb.sb_uuid));
+ ASSERT(uuid_equal(&ip->i_d.di_uuid, &mp->m_sb.sb_meta_uuid));
ip->i_d.di_crc = 0;
ip->i_d.di_changecount = 1;
ip->i_d.di_lsn = 0;
{
xfs_trans_t *tp;
- xfs_trans_t *ntp;
xfs_inode_t *ip;
xfs_buf_t *ialloc_context = NULL;
int code;
* to succeed the second time.
*/
if (ialloc_context) {
- struct xfs_trans_res tres;
-
/*
* Normally, xfs_trans_commit releases all the locks.
* We call bhold to hang on to the ialloc_context across
* allocation group.
*/
xfs_trans_bhold(tp, ialloc_context);
- /*
- * Save the log reservation so we can use
- * them in the next transaction.
- */
- tres.tr_logres = xfs_trans_get_log_res(tp);
- tres.tr_logcount = xfs_trans_get_log_count(tp);
/*
* We want the quota changes to be associated with the next
tp->t_flags &= ~(XFS_TRANS_DQ_DIRTY);
}
- ntp = xfs_trans_dup(tp);
- code = xfs_trans_commit(tp, 0);
- tp = ntp;
- if (committed != NULL) {
+ code = xfs_trans_roll(&tp, 0);
+ if (committed != NULL)
*committed = 1;
- }
- /*
- * If we get an error during the commit processing,
- * release the buffer that is still held and return
- * to the caller.
- */
- if (code) {
- xfs_buf_relse(ialloc_context);
- if (dqinfo) {
- tp->t_dqinfo = dqinfo;
- xfs_trans_free_dqinfo(tp);
- }
- *tpp = ntp;
- *ipp = NULL;
- return code;
- }
-
- /*
- * transaction commit worked ok so we can drop the extra ticket
- * reference that we gained in xfs_trans_dup()
- */
- xfs_log_ticket_put(tp->t_ticket);
- tres.tr_logflags = XFS_TRANS_PERM_LOG_RES;
- code = xfs_trans_reserve(tp, &tres, 0, 0);
/*
* Re-attach the quota info that we detached from prev trx.
if (code) {
xfs_buf_relse(ialloc_context);
- *tpp = ntp;
+ *tpp = tp;
*ipp = NULL;
return code;
}
xfs_bmap_free_t free_list;
xfs_fsblock_t first_block;
bool unlock_dp_on_error = false;
- uint cancel_flags;
int committed;
prid_t prid;
struct xfs_dquot *udqp = NULL;
tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE);
}
- cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
-
/*
* Initially assume that the file does not exist and
* reserve the resources for that case. If that is not
resblks = 0;
error = xfs_trans_reserve(tp, tres, 0, 0);
}
- if (error) {
- cancel_flags = 0;
+ if (error)
goto out_trans_cancel;
- }
- xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT);
+
+ xfs_ilock(dp, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL |
+ XFS_IOLOCK_PARENT | XFS_ILOCK_PARENT);
unlock_dp_on_error = true;
xfs_bmap_init(&free_list, &first_block);
if (error) {
if (error == -ENOSPC)
goto out_trans_cancel;
- goto out_trans_abort;
+ goto out_trans_cancel;
}
/*
* the transaction cancel unlocking dp so don't do it explicitly in the
* error path.
*/
- xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, dp, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL);
unlock_dp_on_error = false;
error = xfs_dir_createname(tp, dp, name, ip->i_ino,
resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
if (error) {
ASSERT(error != -ENOSPC);
- goto out_trans_abort;
+ goto out_trans_cancel;
}
xfs_trans_ichgtime(tp, dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE);
if (error)
goto out_bmap_cancel;
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
+ error = xfs_trans_commit(tp);
if (error)
goto out_release_inode;
out_bmap_cancel:
xfs_bmap_cancel(&free_list);
- out_trans_abort:
- cancel_flags |= XFS_TRANS_ABORT;
out_trans_cancel:
- xfs_trans_cancel(tp, cancel_flags);
+ xfs_trans_cancel(tp);
out_release_inode:
/*
* Wait until after the current transaction is aborted to finish the
xfs_qm_dqrele(pdqp);
if (unlock_dp_on_error)
- xfs_iunlock(dp, XFS_ILOCK_EXCL);
+ xfs_iunlock(dp, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL);
return error;
}
struct xfs_inode *ip = NULL;
struct xfs_trans *tp = NULL;
int error;
- uint cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
prid_t prid;
struct xfs_dquot *udqp = NULL;
struct xfs_dquot *gdqp = NULL;
resblks = 0;
error = xfs_trans_reserve(tp, tres, 0, 0);
}
- if (error) {
- cancel_flags = 0;
+ if (error)
goto out_trans_cancel;
- }
error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp,
pdqp, resblks, 1, 0);
if (error) {
if (error == -ENOSPC)
goto out_trans_cancel;
- goto out_trans_abort;
+ goto out_trans_cancel;
}
if (mp->m_flags & XFS_MOUNT_WSYNC)
ip->i_d.di_nlink--;
error = xfs_iunlink(tp, ip);
if (error)
- goto out_trans_abort;
+ goto out_trans_cancel;
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
+ error = xfs_trans_commit(tp);
if (error)
goto out_release_inode;
*ipp = ip;
return 0;
- out_trans_abort:
- cancel_flags |= XFS_TRANS_ABORT;
out_trans_cancel:
- xfs_trans_cancel(tp, cancel_flags);
+ xfs_trans_cancel(tp);
out_release_inode:
/*
* Wait until after the current transaction is aborted to finish the
int error;
xfs_bmap_free_t free_list;
xfs_fsblock_t first_block;
- int cancel_flags;
int committed;
int resblks;
goto std_return;
tp = xfs_trans_alloc(mp, XFS_TRANS_LINK);
- cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
resblks = XFS_LINK_SPACE_RES(mp, target_name->len);
error = xfs_trans_reserve(tp, &M_RES(mp)->tr_link, resblks, 0);
if (error == -ENOSPC) {
resblks = 0;
error = xfs_trans_reserve(tp, &M_RES(mp)->tr_link, 0, 0);
}
- if (error) {
- cancel_flags = 0;
+ if (error)
goto error_return;
- }
+ xfs_ilock(tdp, XFS_IOLOCK_EXCL | XFS_IOLOCK_PARENT);
xfs_lock_two_inodes(sip, tdp, XFS_ILOCK_EXCL);
xfs_trans_ijoin(tp, sip, XFS_ILOCK_EXCL);
- xfs_trans_ijoin(tp, tdp, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, tdp, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL);
/*
* If we are using project inheritance, we only allow hard link
if (sip->i_d.di_nlink == 0) {
error = xfs_iunlink_remove(tp, sip);
if (error)
- goto abort_return;
+ goto error_return;
}
error = xfs_dir_createname(tp, tdp, target_name, sip->i_ino,
&first_block, &free_list, resblks);
if (error)
- goto abort_return;
+ goto error_return;
xfs_trans_ichgtime(tp, tdp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
xfs_trans_log_inode(tp, tdp, XFS_ILOG_CORE);
error = xfs_bumplink(tp, sip);
if (error)
- goto abort_return;
+ goto error_return;
/*
* If this is a synchronous mount, make sure that the
error = xfs_bmap_finish (&tp, &free_list, &committed);
if (error) {
xfs_bmap_cancel(&free_list);
- goto abort_return;
+ goto error_return;
}
- return xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
+ return xfs_trans_commit(tp);
- abort_return:
- cancel_flags |= XFS_TRANS_ABORT;
error_return:
- xfs_trans_cancel(tp, cancel_flags);
+ xfs_trans_cancel(tp);
std_return:
return error;
}
{
struct xfs_mount *mp = ip->i_mount;
struct xfs_trans *tp = *tpp;
- struct xfs_trans *ntp;
xfs_bmap_free_t free_list;
xfs_fsblock_t first_block;
xfs_fileoff_t first_unmap_block;
if (error)
goto out_bmap_cancel;
- if (committed) {
- /*
- * Mark the inode dirty so it will be logged and
- * moved forward in the log as part of every commit.
- */
- xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
- }
-
- ntp = xfs_trans_dup(tp);
- error = xfs_trans_commit(tp, 0);
- tp = ntp;
-
- xfs_trans_ijoin(tp, ip, 0);
-
- if (error)
- goto out;
-
- /*
- * Transaction commit worked ok so we can drop the extra ticket
- * reference that we gained in xfs_trans_dup()
- */
- xfs_log_ticket_put(tp->t_ticket);
- error = xfs_trans_reserve(tp, &M_RES(mp)->tr_itruncate, 0, 0);
+ error = xfs_trans_roll(&tp, ip);
if (error)
goto out;
}
error = xfs_trans_reserve(tp, &M_RES(mp)->tr_itruncate, 0, 0);
if (error) {
ASSERT(XFS_FORCED_SHUTDOWN(mp));
- xfs_trans_cancel(tp, 0);
+ xfs_trans_cancel(tp);
return error;
}
ASSERT(ip->i_d.di_nextents == 0);
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
+ error = xfs_trans_commit(tp);
if (error)
goto error_unlock;
return 0;
error_trans_cancel:
- xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT);
+ xfs_trans_cancel(tp);
error_unlock:
xfs_iunlock(ip, XFS_ILOCK_EXCL);
return error;
} else {
ASSERT(XFS_FORCED_SHUTDOWN(mp));
}
- xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES);
+ xfs_trans_cancel(tp);
return error;
}
__func__, error);
xfs_force_shutdown(mp, SHUTDOWN_META_IO_ERROR);
}
- xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_ABORT);
+ xfs_trans_cancel(tp);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
return error;
}
if (error)
xfs_notice(mp, "%s: xfs_bmap_finish returned error %d",
__func__, error);
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
+ error = xfs_trans_commit(tp);
if (error)
xfs_notice(mp, "%s: xfs_trans_commit returned error %d",
__func__, error);
*/
STATIC int
xfs_ifree_cluster(
- xfs_inode_t *free_ip,
- xfs_trans_t *tp,
- xfs_ino_t inum)
+ xfs_inode_t *free_ip,
+ xfs_trans_t *tp,
+ struct xfs_icluster *xic)
{
xfs_mount_t *mp = free_ip->i_mount;
int blks_per_cluster;
int inodes_per_cluster;
int nbufs;
int i, j;
+ int ioffset;
xfs_daddr_t blkno;
xfs_buf_t *bp;
xfs_inode_t *ip;
xfs_inode_log_item_t *iip;
xfs_log_item_t *lip;
struct xfs_perag *pag;
+ xfs_ino_t inum;
+ inum = xic->first_ino;
pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, inum));
blks_per_cluster = xfs_icluster_size_fsb(mp);
inodes_per_cluster = blks_per_cluster << mp->m_sb.sb_inopblog;
nbufs = mp->m_ialloc_blks / blks_per_cluster;
for (j = 0; j < nbufs; j++, inum += inodes_per_cluster) {
+ /*
+ * The allocation bitmap tells us which inodes of the chunk were
+ * physically allocated. Skip the cluster if an inode falls into
+ * a sparse region.
+ */
+ ioffset = inum - xic->first_ino;
+ if ((xic->alloc & XFS_INOBT_MASK(ioffset)) == 0) {
+ ASSERT(do_mod(ioffset, inodes_per_cluster) == 0);
+ continue;
+ }
+
blkno = XFS_AGB_TO_DADDR(mp, XFS_INO_TO_AGNO(mp, inum),
XFS_INO_TO_AGBNO(mp, inum));
xfs_bmap_free_t *flist)
{
int error;
- int delete;
- xfs_ino_t first_ino;
+ struct xfs_icluster xic = { 0 };
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
ASSERT(ip->i_d.di_nlink == 0);
if (error)
return error;
- error = xfs_difree(tp, ip->i_ino, flist, &delete, &first_ino);
+ error = xfs_difree(tp, ip->i_ino, flist, &xic);
if (error)
return error;
ip->i_d.di_gen++;
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
- if (delete)
- error = xfs_ifree_cluster(ip, tp, first_ino);
+ if (xic.deleted)
+ error = xfs_ifree_cluster(ip, tp, &xic);
return error;
}
int error = 0;
xfs_bmap_free_t free_list;
xfs_fsblock_t first_block;
- int cancel_flags;
int committed;
uint resblks;
tp = xfs_trans_alloc(mp, XFS_TRANS_RMDIR);
else
tp = xfs_trans_alloc(mp, XFS_TRANS_REMOVE);
- cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
/*
* We try to get the real space reservation first,
}
if (error) {
ASSERT(error != -ENOSPC);
- cancel_flags = 0;
goto out_trans_cancel;
}
+ xfs_ilock(dp, XFS_IOLOCK_EXCL | XFS_IOLOCK_PARENT);
xfs_lock_two_inodes(dp, ip, XFS_ILOCK_EXCL);
- xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, dp, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL);
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
/*
* If we're removing a directory perform some additional validation.
*/
- cancel_flags |= XFS_TRANS_ABORT;
if (is_dir) {
ASSERT(ip->i_d.di_nlink >= 2);
if (ip->i_d.di_nlink != 2) {
if (error)
goto out_bmap_cancel;
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
+ error = xfs_trans_commit(tp);
if (error)
goto std_return;
out_bmap_cancel:
xfs_bmap_cancel(&free_list);
out_trans_cancel:
- xfs_trans_cancel(tp, cancel_flags);
+ xfs_trans_cancel(tp);
std_return:
return error;
}
error = xfs_bmap_finish(&tp, free_list, &committed);
if (error) {
xfs_bmap_cancel(free_list);
- xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_ABORT);
+ xfs_trans_cancel(tp);
return error;
}
- return xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
+ return xfs_trans_commit(tp);
}
/*
out_trans_abort:
xfs_bmap_cancel(free_list);
- xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_ABORT);
+ xfs_trans_cancel(tp);
return error;
}
int num_inodes = __XFS_SORT_INODES;
bool new_parent = (src_dp != target_dp);
bool src_is_directory = S_ISDIR(src_ip->i_d.di_mode);
- int cancel_flags = 0;
int spaceres;
int error;
}
if (error)
goto out_trans_cancel;
- cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
/*
* Attach the dquots to the inodes
* whether the target directory is the same as the source
* directory, we can lock from 2 to 4 inodes.
*/
+ if (!new_parent)
+ xfs_ilock(src_dp, XFS_IOLOCK_EXCL | XFS_IOLOCK_PARENT);
+ else
+ xfs_lock_two_inodes(src_dp, target_dp,
+ XFS_IOLOCK_EXCL | XFS_IOLOCK_PARENT);
+
xfs_lock_inodes(inodes, num_inodes, XFS_ILOCK_EXCL);
/*
* we can rely on either trans_commit or trans_cancel to unlock
* them.
*/
- xfs_trans_ijoin(tp, src_dp, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, src_dp, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL);
if (new_parent)
- xfs_trans_ijoin(tp, target_dp, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, target_dp, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL);
xfs_trans_ijoin(tp, src_ip, XFS_ILOCK_EXCL);
if (target_ip)
xfs_trans_ijoin(tp, target_ip, XFS_ILOCK_EXCL);
error = xfs_dir_createname(tp, target_dp, target_name,
src_ip->i_ino, &first_block,
&free_list, spaceres);
- if (error == -ENOSPC)
- goto out_bmap_cancel;
if (error)
- goto out_trans_abort;
+ goto out_bmap_cancel;
xfs_trans_ichgtime(tp, target_dp,
XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
if (new_parent && src_is_directory) {
error = xfs_bumplink(tp, target_dp);
if (error)
- goto out_trans_abort;
+ goto out_bmap_cancel;
}
} else { /* target_ip != NULL */
/*
src_ip->i_ino,
&first_block, &free_list, spaceres);
if (error)
- goto out_trans_abort;
+ goto out_bmap_cancel;
xfs_trans_ichgtime(tp, target_dp,
XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
*/
error = xfs_droplink(tp, target_ip);
if (error)
- goto out_trans_abort;
+ goto out_bmap_cancel;
if (src_is_directory) {
/*
*/
error = xfs_droplink(tp, target_ip);
if (error)
- goto out_trans_abort;
+ goto out_bmap_cancel;
}
} /* target_ip != NULL */
&first_block, &free_list, spaceres);
ASSERT(error != -EEXIST);
if (error)
- goto out_trans_abort;
+ goto out_bmap_cancel;
}
/*
*/
error = xfs_droplink(tp, src_dp);
if (error)
- goto out_trans_abort;
+ goto out_bmap_cancel;
}
/*
error = xfs_dir_removename(tp, src_dp, src_name, src_ip->i_ino,
&first_block, &free_list, spaceres);
if (error)
- goto out_trans_abort;
+ goto out_bmap_cancel;
/*
* For whiteouts, we need to bump the link count on the whiteout inode.
ASSERT(VFS_I(wip)->i_nlink == 0 && wip->i_d.di_nlink == 0);
error = xfs_bumplink(tp, wip);
if (error)
- goto out_trans_abort;
+ goto out_bmap_cancel;
error = xfs_iunlink_remove(tp, wip);
if (error)
- goto out_trans_abort;
+ goto out_bmap_cancel;
xfs_trans_log_inode(tp, wip, XFS_ILOG_CORE);
/*
IRELE(wip);
return error;
-out_trans_abort:
- cancel_flags |= XFS_TRANS_ABORT;
out_bmap_cancel:
xfs_bmap_cancel(&free_list);
out_trans_cancel:
- xfs_trans_cancel(tp, cancel_flags);
+ xfs_trans_cancel(tp);
if (wip)
IRELE(wip);
return error;
ASSERT(ip->i_d.di_version > 1);
/* set *dip = inode's place in the buffer */
- dip = (xfs_dinode_t *)xfs_buf_offset(bp, ip->i_imap.im_boffset);
+ dip = xfs_buf_offset(bp, ip->i_imap.im_boffset);
if (XFS_TEST_ERROR(dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC),
mp, XFS_ERRTAG_IFLUSH_1, XFS_RANDOM_IFLUSH_1)) {
projects / cascardo / linux.git / blobdiff