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-rw-r--r--fs/xfs/xfs_mount.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index c3a96fb3ad80..d0755494597f 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -859,9 +859,17 @@ xfs_mountfs(
/*
* Finish recovering the file system. This part needed to be delayed
* until after the root and real-time bitmap inodes were consistently
- * read in.
+ * read in. Temporarily create per-AG space reservations for metadata
+ * btree shape changes because space freeing transactions (for inode
+ * inactivation) require the per-AG reservation in lieu of reserving
+ * blocks.
*/
+ error = xfs_fs_reserve_ag_blocks(mp);
+ if (error && error == -ENOSPC)
+ xfs_warn(mp,
+ "ENOSPC reserving per-AG metadata pool, log recovery may fail.");
error = xfs_log_mount_finish(mp);
+ xfs_fs_unreserve_ag_blocks(mp);
if (error) {
xfs_warn(mp, "log mount finish failed");
goto out_rtunmount;