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authorChris Mason <clm@fb.com>2016-09-06 05:37:40 -0700
committerChris Mason <clm@fb.com>2016-09-06 05:57:25 -0700
commitcbd60aa7cd17d81a434234268c55192862147439 (patch)
tree437f37495624a848980f35b674bac8898c33ca68 /fs
parentcb887083d084d74421ae7bb18acca40568da791f (diff)
downloadlinux-cbd60aa7cd17d81a434234268c55192862147439.tar.bz2
Btrfs: remove root_log_ctx from ctx list before btrfs_sync_log returns
We use a btrfs_log_ctx structure to pass information into the tree log commit, and get error values out. It gets added to a per log-transaction list which we walk when things go bad. Commit d1433debe added an optimization to skip waiting for the log commit, but didn't take root_log_ctx out of the list. This patch makes sure we remove things before exiting. Signed-off-by: Chris Mason <clm@fb.com> Fixes: d1433debe7f4346cf9fc0dafc71c3137d2a97bc4 cc: stable@vger.kernel.org # 3.15+
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/tree-log.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index e935035ac034..ef9c55bc7907 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2867,6 +2867,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
if (log_root_tree->log_transid_committed >= root_log_ctx.log_transid) {
blk_finish_plug(&plug);
+ list_del_init(&root_log_ctx.list);
mutex_unlock(&log_root_tree->log_mutex);
ret = root_log_ctx.log_ret;
goto out;