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authorIngo Molnar <mingo@kernel.org>2015-08-20 11:48:56 +0200
committerIngo Molnar <mingo@kernel.org>2015-08-20 11:48:56 +0200
commit40a2ea1bd988e3bbdb07a0708681fdb05cd7d267 (patch)
tree05806aaa27a4b0516a14a8ccf703c1501500e588 /fs/xfs/xfs_log_recover.c
parenta897b5f0393a8a05d230c9248dc5324fb30720a0 (diff)
parent196676497f2507966f99abef63bede6a8550f8b3 (diff)
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Merge branch 'perf/urgent' into perf/core, to pick up fixes before adding more changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/xfs/xfs_log_recover.c')
-rw-r--r--fs/xfs/xfs_log_recover.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 01dd228ca05e..480ebba8464f 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -1886,9 +1886,14 @@ xlog_recover_get_buf_lsn(
uuid = &((struct xfs_dir3_blk_hdr *)blk)->uuid;
break;
case XFS_ATTR3_RMT_MAGIC:
- lsn = be64_to_cpu(((struct xfs_attr3_rmt_hdr *)blk)->rm_lsn);
- uuid = &((struct xfs_attr3_rmt_hdr *)blk)->rm_uuid;
- break;
+ /*
+ * Remote attr blocks are written synchronously, rather than
+ * being logged. That means they do not contain a valid LSN
+ * (i.e. transactionally ordered) in them, and hence any time we
+ * see a buffer to replay over the top of a remote attribute
+ * block we should simply do so.
+ */
+ goto recover_immediately;
case XFS_SB_MAGIC:
lsn = be64_to_cpu(((struct xfs_dsb *)blk)->sb_lsn);
uuid = &((struct xfs_dsb *)blk)->sb_uuid;