Btrfs: Force inlining off in a few places to save stack usage
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 54f2b1d..4957cfa 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -162,10 +162,11 @@
return block_group;
return NULL;
}
-static u64 find_search_start(struct btrfs_root *root,
- struct btrfs_block_group_cache **cache_ret,
- u64 search_start, int num,
- int data, int full_scan)
+
+static u64 noinline find_search_start(struct btrfs_root *root,
+ struct btrfs_block_group_cache **cache_ret,
+ u64 search_start, int num,
+ int data, int full_scan)
{
int ret;
struct btrfs_block_group_cache *cache = *cache_ret;
@@ -393,11 +394,12 @@
return ret == 0;
}
-static int lookup_extent_backref(struct btrfs_trans_handle *trans,
- struct btrfs_root *root,
- struct btrfs_path *path, u64 bytenr,
- u64 root_objectid, u64 ref_generation,
- u64 owner, u64 owner_offset, int del)
+static int noinline lookup_extent_backref(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root,
+ struct btrfs_path *path, u64 bytenr,
+ u64 root_objectid,
+ u64 ref_generation, u64 owner,
+ u64 owner_offset, int del)
{
u64 hash;
struct btrfs_key key;
@@ -1116,8 +1118,8 @@
return 0;
}
-static int finish_current_insert(struct btrfs_trans_handle *trans, struct
- btrfs_root *extent_root)
+static int finish_current_insert(struct btrfs_trans_handle *trans,
+ struct btrfs_root *extent_root)
{
u64 start;
u64 end;
@@ -1360,11 +1362,13 @@
* ins->offset == number of blocks
* Any available blocks before search_start are skipped.
*/
-static int find_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
- *orig_root, u64 num_bytes, u64 empty_size,
- u64 search_start, u64 search_end, u64 hint_byte,
- struct btrfs_key *ins, u64 exclude_start,
- u64 exclude_nr, int data)
+static int noinline find_free_extent(struct btrfs_trans_handle *trans,
+ struct btrfs_root *orig_root,
+ u64 num_bytes, u64 empty_size,
+ u64 search_start, u64 search_end,
+ u64 hint_byte, struct btrfs_key *ins,
+ u64 exclude_start, u64 exclude_nr,
+ int data)
{
struct btrfs_path *path;
struct btrfs_key key;
@@ -1760,8 +1764,9 @@
return buf;
}
-static int drop_leaf_ref(struct btrfs_trans_handle *trans,
- struct btrfs_root *root, struct extent_buffer *leaf)
+static int noinline drop_leaf_ref(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root,
+ struct extent_buffer *leaf)
{
u64 leaf_owner;
u64 leaf_generation;
@@ -1802,8 +1807,8 @@
return 0;
}
-static void reada_walk_down(struct btrfs_root *root,
- struct extent_buffer *node)
+static void noinline reada_walk_down(struct btrfs_root *root,
+ struct extent_buffer *node)
{
int i;
u32 nritems;
@@ -1835,8 +1840,9 @@
* helper function for drop_snapshot, this walks down the tree dropping ref
* counts as it goes.
*/
-static int walk_down_tree(struct btrfs_trans_handle *trans, struct btrfs_root
- *root, struct btrfs_path *path, int *level)
+static int noinline walk_down_tree(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root,
+ struct btrfs_path *path, int *level)
{
u64 root_owner;
u64 root_gen;
@@ -1955,8 +1961,9 @@
* to find the first node higher up where we haven't yet gone through
* all the slots
*/
-static int walk_up_tree(struct btrfs_trans_handle *trans, struct btrfs_root
- *root, struct btrfs_path *path, int *level)
+static int noinline walk_up_tree(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root,
+ struct btrfs_path *path, int *level)
{
u64 root_owner;
u64 root_gen;
@@ -2100,7 +2107,8 @@
return 0;
}
-static int relocate_inode_pages(struct inode *inode, u64 start, u64 len)
+static int noinline relocate_inode_pages(struct inode *inode, u64 start,
+ u64 len)
{
u64 page_start;
u64 page_end;
@@ -2169,7 +2177,7 @@
/*
* note, this releases the path
*/
-static int relocate_one_reference(struct btrfs_root *extent_root,
+static int noinline relocate_one_reference(struct btrfs_root *extent_root,
struct btrfs_path *path,
struct btrfs_key *extent_key)
{
@@ -2268,9 +2276,9 @@
return 0;
}
-static int relocate_one_extent(struct btrfs_root *extent_root,
- struct btrfs_path *path,
- struct btrfs_key *extent_key)
+static int noinline relocate_one_extent(struct btrfs_root *extent_root,
+ struct btrfs_path *path,
+ struct btrfs_key *extent_key)
{
struct btrfs_key key;
struct btrfs_key found_key;