btrfs: drop gfp parameter from alloc_extent_map

pass GFP_NOFS directly to kmem_cache_alloc

Signed-off-by: David Sterba <dsterba@suse.cz>

8 files changed, 16 insertions, 17 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index f2ee584b8efd..e1e55679d061 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -154,7 +154,7 @@ static struct extent_map *btree_get_extent(struct inode *inode,
         }
         read_unlock(&em_tree->lock);
 
-        em = alloc_extent_map(GFP_NOFS);
+        em = alloc_extent_map();
         if (!em) {
                 em = ERR_PTR(-ENOMEM);
                 goto out;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 7cdce82e03e7..6a3d53783d55 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -6694,7 +6694,7 @@ static noinline int relocate_data_extent(struct inode *reloc_inode,
         u64 start = extent_key->objectid - offset;
         u64 end = start + extent_key->offset - 1;
 
-        em = alloc_extent_map(GFP_NOFS);
+        em = alloc_extent_map();
         BUG_ON(!em);
 
         em->start = start;
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 3c8f374a8e2d..2d0410344ea3 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -40,16 +40,15 @@ void extent_map_tree_init(struct extent_map_tree *tree)
 
 /**
  * alloc_extent_map - allocate new extent map structure
- * @mask:       memory allocation flags
  *
  * Allocate a new extent_map structure.  The new structure is
  * returned with a reference count of one and needs to be
  * freed using free_extent_map()
  */
-struct extent_map *alloc_extent_map(gfp_t mask)
+struct extent_map *alloc_extent_map(void)
 {
         struct extent_map *em;
-        em = kmem_cache_alloc(extent_map_cache, mask);
+        em = kmem_cache_alloc(extent_map_cache, GFP_NOFS);
         if (!em)
                 return NULL;
         em->in_tree = 0;
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index 255813c51b9d..33a7890b1f40 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -56,7 +56,7 @@ int add_extent_mapping(struct extent_map_tree *tree,
                        struct extent_map *em);
 int remove_extent_mapping(struct extent_map_tree *tree, struct extent_map *em);
 
-struct extent_map *alloc_extent_map(gfp_t mask);
+struct extent_map *alloc_extent_map(void);
 void free_extent_map(struct extent_map *em);
 int __init extent_map_init(void);
 void extent_map_exit(void);
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 83abd274370b..80eabe85409a 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -191,9 +191,9 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end,
         }
         while (1) {
                 if (!split)
-                        split = alloc_extent_map(GFP_NOFS);
+                        split = alloc_extent_map();
                 if (!split2)
-                        split2 = alloc_extent_map(GFP_NOFS);
+                        split2 = alloc_extent_map();
                 BUG_ON(!split || !split2);
 
                 write_lock(&em_tree->lock);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index f54c015cc294..26f4d56cf049 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -649,7 +649,7 @@ retry:
                                         async_extent->start +
                                         async_extent->ram_size - 1, 0);
 
-                em = alloc_extent_map(GFP_NOFS);
+                em = alloc_extent_map();
                 BUG_ON(!em);
                 em->start = async_extent->start;
                 em->len = async_extent->ram_size;
@@ -826,7 +826,7 @@ static noinline int cow_file_range(struct inode *inode,
                                            (u64)-1, &ins, 1);
                 BUG_ON(ret);
 
-                em = alloc_extent_map(GFP_NOFS);
+                em = alloc_extent_map();
                 BUG_ON(!em);
                 em->start = start;
                 em->orig_start = em->start;
@@ -1177,7 +1177,7 @@ out_check:
                         struct extent_map *em;
                         struct extent_map_tree *em_tree;
                         em_tree = &BTRFS_I(inode)->extent_tree;
-                        em = alloc_extent_map(GFP_NOFS);
+                        em = alloc_extent_map();
                         BUG_ON(!em);
                         em->start = cur_offset;
                         em->orig_start = em->start;
@@ -5069,7 +5069,7 @@ again:
                 else
                         goto out;
         }
-        em = alloc_extent_map(GFP_NOFS);
+        em = alloc_extent_map();
         if (!em) {
                 err = -ENOMEM;
                 goto out;
@@ -5382,7 +5382,7 @@ struct extent_map *btrfs_get_extent_fiemap(struct inode *inode, struct page *pag
                 u64 hole_start = start;
                 u64 hole_len = len;
 
-                em = alloc_extent_map(GFP_NOFS);
+                em = alloc_extent_map();
                 if (!em) {
                         err = -ENOMEM;
                         goto out;
@@ -5483,7 +5483,7 @@ static struct extent_map *btrfs_new_extent_direct(struct inode *inode,
         }
 
         if (!em) {
-                em = alloc_extent_map(GFP_NOFS);
+                em = alloc_extent_map();
                 if (!em) {
                         em = ERR_PTR(-ENOMEM);
                         goto out;
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index f3edf45317bc..2097a88f60aa 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2870,7 +2870,7 @@ int setup_extent_mapping(struct inode *inode, u64 start, u64 end,
         struct extent_map *em;
         int ret = 0;
 
-        em = alloc_extent_map(GFP_NOFS);
+        em = alloc_extent_map();
         if (!em)
                 return -ENOMEM;
 
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 15d7dc943c9b..76acd1d235e4 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2609,7 +2609,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
 
         trace_btrfs_chunk_alloc(info->chunk_root, map, start, *num_bytes);
 
-        em = alloc_extent_map(GFP_NOFS);
+        em = alloc_extent_map();
         if (!em) {
                 ret = -ENOMEM;
                 goto error;
@@ -3499,7 +3499,7 @@ static int read_one_chunk(struct btrfs_root *root, struct btrfs_key *key,
                 free_extent_map(em);
         }
 
-        em = alloc_extent_map(GFP_NOFS);
+        em = alloc_extent_map();
         if (!em)
                 return -ENOMEM;
         num_stripes = btrfs_chunk_num_stripes(leaf, chunk);