btrfs: sink gfp_t parameter to btrfs_backref_iter_alloc

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

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 41caa6f..f556566 100644 (file)
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -2650,12 +2650,11 @@ 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 fa3c9cb..2dd68f8 100644 (file)
--- 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 3d0a634..77d03dc 100644 (file)
--- 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();