xlog_cil_push() is the reader and writer of xc_cil, and should be protected
against xlog_cil_insert_items().
Signed-off-by: Pingfan Liu <kernelfans@xxxxxxxxx>
Cc: "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>
To: linux-xfs@xxxxxxxxxxxxxxx
Cc: linux-fsdevel@xxxxxxxxxxxxxxx
---
fs/xfs/xfs_log_cil.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index ef652abd..004af09 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -723,6 +723,7 @@ xlog_cil_push(
*/
lv = NULL;
num_iovecs = 0;
+ spin_lock(&cil->xc_cil_lock);
while (!list_empty(&cil->xc_cil)) {
struct xfs_log_item *item;
@@ -737,6 +738,7 @@ xlog_cil_push(
item->li_lv = NULL;
num_iovecs += lv->lv_niovecs;
}
+ spin_unlock(&cil->xc_cil_lock);
/*
* initialise the new context and attach it to the CIL. Then attach
--
2.7.5
