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-rw-r--r--fs/xfs/xfs_icache.c2
-rw-r--r--fs/xfs/xfs_icache.h1
-rw-r--r--fs/xfs/xfs_super.c9
3 files changed, 11 insertions, 1 deletions
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index 58d2d4253c8e..3861d61fb265 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -870,7 +870,7 @@ xfs_eofblocks_worker(
* based on the 'speculative_cow_prealloc_lifetime' tunable (5m by default).
* (We'll just piggyback on the post-EOF prealloc space workqueue.)
*/
-STATIC void
+void
xfs_queue_cowblocks(
struct xfs_mount *mp)
{
diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h
index bff4d85e5498..d4a77588eca1 100644
--- a/fs/xfs/xfs_icache.h
+++ b/fs/xfs/xfs_icache.h
@@ -81,6 +81,7 @@ void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip);
int xfs_icache_free_cowblocks(struct xfs_mount *, struct xfs_eofblocks *);
int xfs_inode_free_quota_cowblocks(struct xfs_inode *ip);
void xfs_cowblocks_worker(struct work_struct *);
+void xfs_queue_cowblocks(struct xfs_mount *);
int xfs_inode_ag_iterator(struct xfs_mount *mp,
int (*execute)(struct xfs_inode *ip, int flags, void *args),
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index f663022353c0..2db6a40a96bd 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1360,6 +1360,7 @@ xfs_fs_remount(
xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
return error;
}
+ xfs_queue_cowblocks(mp);
/* Create the per-AG metadata reservation pool .*/
error = xfs_fs_reserve_ag_blocks(mp);
@@ -1369,6 +1370,14 @@ xfs_fs_remount(
/* rw -> ro */
if (!(mp->m_flags & XFS_MOUNT_RDONLY) && (*flags & MS_RDONLY)) {
+ /* Get rid of any leftover CoW reservations... */
+ cancel_delayed_work_sync(&mp->m_cowblocks_work);
+ error = xfs_icache_free_cowblocks(mp, NULL);
+ if (error) {
+ xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
+ return error;
+ }
+
/* Free the per-AG metadata reservation pool. */
error = xfs_fs_unreserve_ag_blocks(mp);
if (error) {