diff options
author | Allison Henderson <allison.henderson@oracle.com> | 2024-04-15 14:55:13 -0700 |
---|---|---|
committer | Darrick J. Wong <djwong@kernel.org> | 2024-04-15 14:59:02 -0700 |
commit | bd5562111d58392298a3c3b93caad71dff681b4b (patch) | |
tree | e5f802ec7215e6f111c17889afbf045397fb221d | |
parent | 267979b4ce75767a9caf69072e1b92416e286a29 (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.c | 14 | ||||
-rw-r--r-- | fs/xfs/xfs_trans.c | 9 |
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; |