[PATCH v2 1/4] btrfs: sink gfp_t parameter to btrfs_backref_iter_alloc

[David Sterba <dsterba@suse.com>]

There's only one caller that passes GFP_NOFS, we can drop the parameter
an use the flags directly.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/backref.c    | 5 ++---
 fs/btrfs/backref.h    | 3 +--
 fs/btrfs/relocation.c | 2 +-
 3 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 719077ac9d03..c55abd8574ee 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -2636,12 +2636,11 @@ void free_ipath(struct inode_fs_paths *ipath)
 	kfree(ipath);
 }
 
-struct btrfs_backref_iter *btrfs_backref_iter_alloc(
-		struct btrfs_fs_info *fs_info, gfp_t gfp_flag)
+struct btrfs_backref_iter *btrfs_backref_iter_alloc(struct btrfs_fs_info *fs_info)
 {
 	struct btrfs_backref_iter *ret;
 
-	ret = kzalloc(sizeof(*ret), gfp_flag);
+	ret = kzalloc(sizeof(*ret), GFP_NOFS);
 	if (!ret)
 		return NULL;
 
diff --git a/fs/btrfs/backref.h b/fs/btrfs/backref.h
index fa3c9cbf9ae7..2dd68f87dca5 100644
--- a/fs/btrfs/backref.h
+++ b/fs/btrfs/backref.h
@@ -156,8 +156,7 @@ struct btrfs_backref_iter {
 	u32 end_ptr;
 };
 
-struct btrfs_backref_iter *btrfs_backref_iter_alloc(
-		struct btrfs_fs_info *fs_info, gfp_t gfp_flag);
+struct btrfs_backref_iter *btrfs_backref_iter_alloc(struct btrfs_fs_info *fs_info);
 
 static inline void btrfs_backref_iter_free(struct btrfs_backref_iter *iter)
 {
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 3d0a63465a74..77d03dce2521 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -473,7 +473,7 @@ static noinline_for_stack struct btrfs_backref_node *build_backref_tree(
 	int ret;
 	int err = 0;
 
-	iter = btrfs_backref_iter_alloc(rc->extent_root->fs_info, GFP_NOFS);
+	iter = btrfs_backref_iter_alloc(rc->extent_root->fs_info);
 	if (!iter)
 		return ERR_PTR(-ENOMEM);
 	path = btrfs_alloc_path();
-- 
2.37.3