X-Git-Url: http://git.agner.ch/gitweb/?a=blobdiff_plain;f=fs%2Fbtrfs%2Fextent-tree.c;h=3d551231cabae9e43c7a1e90385f22fd25891239;hb=3615db41c4b82896de450b6b4e3dab2420dcae51;hp=0d8478700d7867bf72c4a903249fc04fd2fbb5a7;hpb=d8fe29e9dea8d7d61fd140d8779326856478fc62;p=linux-drm-fsl-dcu.git

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 0d8478700d78..3d551231caba 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3808,23 +3808,6 @@ static int can_overcommit(struct btrfs_root *root,
 	return 0;
 }
 
-static inline int writeback_inodes_sb_nr_if_idle_safe(struct super_block *sb,
-						      unsigned long nr_pages,
-						      enum wb_reason reason)
-{
-	/* the flusher is dealing with the dirty inodes now. */
-	if (writeback_in_progress(sb->s_bdi))
-		return 1;
-
-	if (down_read_trylock(&sb->s_umount)) {
-		writeback_inodes_sb_nr(sb, nr_pages, reason);
-		up_read(&sb->s_umount);
-		return 1;
-	}
-
-	return 0;
-}
-
 void btrfs_writeback_inodes_sb_nr(struct btrfs_root *root,
 				  unsigned long nr_pages)
 {
@@ -3832,7 +3815,7 @@ void btrfs_writeback_inodes_sb_nr(struct btrfs_root *root,
 	int started;
 
 	/* If we can not start writeback, just sync all the delalloc file. */
-	started = writeback_inodes_sb_nr_if_idle_safe(sb, nr_pages,
+	started = try_to_writeback_inodes_sb_nr(sb, nr_pages,
 						      WB_REASON_FS_FREE_SPACE);
 	if (!started) {
 		/*
@@ -6759,7 +6742,7 @@ reada:
 }
 
 /*
- * hepler to process tree block while walking down the tree.
+ * helper to process tree block while walking down the tree.
  *
  * when wc->stage == UPDATE_BACKREF, this function updates
  * back refs for pointers in the block.
@@ -6834,7 +6817,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans,
 }
 
 /*
- * hepler to process tree block pointer.
+ * helper to process tree block pointer.
  *
  * when wc->stage == DROP_REFERENCE, this function checks
  * reference count of the block pointed to. if the block
@@ -6972,7 +6955,7 @@ skip:
 }
 
 /*
- * hepler to process tree block while walking up the tree.
+ * helper to process tree block while walking up the tree.
  *
  * when wc->stage == DROP_REFERENCE, this function drops
  * reference count on the block.