Btrfs: use root when checking need_async_flush
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Message ID 1461592698-30772-1-git-send-email-jbacik@fb.com
State Accepted
Headers show

Commit Message

Josef Bacik April 25, 2016, 1:58 p.m. UTC
Instead of doing fs_info->fs_root in need_async_flush, which may not be set
during recovery when mounting, just pass the root itself in, which makes more
sense as thats what btrfs_calc_reclaim_metadata_size takes.

Signed-off-by: Josef Bacik <jbacik@fb.com>
---
 fs/btrfs/extent-tree.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

Patch
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diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index f23f426..e760cf7 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4872,7 +4872,7 @@  btrfs_calc_reclaim_metadata_size(struct btrfs_root *root,
 }
 
 static inline int need_do_async_reclaim(struct btrfs_space_info *space_info,
-					struct btrfs_fs_info *fs_info, u64 used)
+					struct btrfs_root *root, u64 used)
 {
 	u64 thresh = div_factor_fine(space_info->total_bytes, 98);
 
@@ -4880,11 +4880,12 @@  static inline int need_do_async_reclaim(struct btrfs_space_info *space_info,
 	if ((space_info->bytes_used + space_info->bytes_reserved) >= thresh)
 		return 0;
 
-	if (!btrfs_calc_reclaim_metadata_size(fs_info->fs_root, space_info))
+	if (!btrfs_calc_reclaim_metadata_size(root, space_info))
 		return 0;
 
-	return (used >= thresh && !btrfs_fs_closing(fs_info) &&
-		!test_bit(BTRFS_FS_STATE_REMOUNTING, &fs_info->fs_state));
+	return (used >= thresh && !btrfs_fs_closing(root->fs_info) &&
+		!test_bit(BTRFS_FS_STATE_REMOUNTING,
+			  &root->fs_info->fs_state));
 }
 
 static void wake_all_tickets(struct list_head *head)
@@ -5129,7 +5130,7 @@  static int __reserve_metadata_bytes(struct btrfs_root *root,
 		 * the async reclaim as we will panic.
 		 */
 		if (!root->fs_info->log_root_recovering &&
-		    need_do_async_reclaim(space_info, root->fs_info, used) &&
+		    need_do_async_reclaim(space_info, root, used) &&
 		    !work_busy(&root->fs_info->async_reclaim_work)) {
 			trace_btrfs_trigger_flush(root->fs_info,
 						  space_info->flags,