| Message ID | 1463184422-13584-4-git-send-email-bo.li.liu@oracle.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
On Fri, May 13, 2016 at 05:06:59PM -0700, Liu Bo wrote: > 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 <bo.li.liu@oracle.com> This patch is independent of the rest, I'll add it to next. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index bd0f45f..1331606 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -6586,13 +6586,13 @@ 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; }
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 <bo.li.liu@oracle.com> --- fs/btrfs/volumes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)