From 1c8b5b6e8b570a8038fa42cf9e7c23782bd4882c Mon Sep 17 00:00:00 2001 From: Liu Bo Date: Fri, 13 May 2016 17:06:59 -0700 Subject: [PATCH] Btrfs: free sys_array eb as soon as possible While reading sys_chunk_array in superblock, btrfs creates a temporary extent buffer. Since we don't use it after finishing reading sys_chunk_array, we don't need to keep it in memory. Signed-off-by: Liu Bo Signed-off-by: David Sterba --- fs/btrfs/volumes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index e0290303bb35..fd3e8280b549 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -6630,13 +6630,13 @@ int btrfs_read_sys_array(struct btrfs_root *root) sb_array_offset += len; cur_offset += len; } - free_extent_buffer(sb); + free_extent_buffer_stale(sb); return ret; out_short_read: printk(KERN_ERR "BTRFS: sys_array too short to read %u bytes at offset %u\n", len, cur_offset); - free_extent_buffer(sb); + free_extent_buffer_stale(sb); return -EIO; } -- 2.20.1