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authorAllison Henderson <allison.henderson@oracle.com>2024-04-15 14:55:13 -0700
committerDarrick J. Wong <djwong@kernel.org>2024-04-15 14:59:02 -0700
commitbd5562111d58392298a3c3b93caad71dff681b4b (patch)
treee5f802ec7215e6f111c17889afbf045397fb221d
parent267979b4ce75767a9caf69072e1b92416e286a29 (diff)
xfs: Hold inode locks in xfs_trans_alloc_dir
Modify xfs_trans_alloc_dir to hold locks after return. Caller will be responsible for manual unlock. We will need this later to hold locks across parent pointer operations Signed-off-by: Allison Henderson <allison.henderson@oracle.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Catherine Hoang <catherine.hoang@oracle.com> Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
-rw-r--r--fs/xfs/xfs_inode.c14
-rw-r--r--fs/xfs/xfs_trans.c9
2 files changed, 19 insertions, 4 deletions
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 2ec005e6c1da..36e1012e156a 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1368,10 +1368,15 @@ xfs_link(
if (xfs_has_wsync(mp) || xfs_has_dirsync(mp))
xfs_trans_set_sync(tp);
- return xfs_trans_commit(tp);
+ error = xfs_trans_commit(tp);
+ xfs_iunlock(tdp, XFS_ILOCK_EXCL);
+ xfs_iunlock(sip, XFS_ILOCK_EXCL);
+ return error;
error_return:
xfs_trans_cancel(tp);
+ xfs_iunlock(tdp, XFS_ILOCK_EXCL);
+ xfs_iunlock(sip, XFS_ILOCK_EXCL);
std_return:
if (error == -ENOSPC && nospace_error)
error = nospace_error;
@@ -2781,15 +2786,20 @@ xfs_remove(
error = xfs_trans_commit(tp);
if (error)
- goto std_return;
+ goto out_unlock;
if (is_dir && xfs_inode_is_filestream(ip))
xfs_filestream_deassociate(ip);
+ xfs_iunlock(ip, XFS_ILOCK_EXCL);
+ xfs_iunlock(dp, XFS_ILOCK_EXCL);
return 0;
out_trans_cancel:
xfs_trans_cancel(tp);
+ out_unlock:
+ xfs_iunlock(ip, XFS_ILOCK_EXCL);
+ xfs_iunlock(dp, XFS_ILOCK_EXCL);
std_return:
return error;
}
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 7350640059cc..50d878d78a5e 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -1430,6 +1430,8 @@ out_cancel:
* The caller must ensure that the on-disk dquots attached to this inode have
* already been allocated and initialized. The ILOCKs will be dropped when the
* transaction is committed or cancelled.
+ *
+ * Caller is responsible for unlocking the inodes manually upon return
*/
int
xfs_trans_alloc_dir(
@@ -1460,8 +1462,8 @@ retry:
xfs_lock_two_inodes(dp, XFS_ILOCK_EXCL, ip, XFS_ILOCK_EXCL);
- xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
- xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, dp, 0);
+ xfs_trans_ijoin(tp, ip, 0);
error = xfs_qm_dqattach_locked(dp, false);
if (error) {
@@ -1484,6 +1486,9 @@ retry:
if (error == -EDQUOT || error == -ENOSPC) {
if (!retried) {
xfs_trans_cancel(tp);
+ xfs_iunlock(dp, XFS_ILOCK_EXCL);
+ if (dp != ip)
+ xfs_iunlock(ip, XFS_ILOCK_EXCL);
xfs_blockgc_free_quota(dp, 0);
retried = true;
goto retry;