aboutsummaryrefslogtreecommitdiffstats
path: root/fs/btrfs/extent-tree.c
diff options
context:
space:
mode:
authorChris Mason <chris.mason@oracle.com>2008-01-03 10:01:48 -0500
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:03:58 -0400
commit98ed51747b63435b9987ef12692a75c223818bbe (patch)
treef7f983d4754b267d8c7ed279a68e2d0ca970784c /fs/btrfs/extent-tree.c
parentf9ef6604ace23a6fcd698e08b58a883d6009157b (diff)
Btrfs: Force inlining off in a few places to save stack usage
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c66
1 files changed, 37 insertions, 29 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 54f2b1d8bdfd..4957cface9ab 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -162,10 +162,11 @@ struct btrfs_block_group_cache *btrfs_lookup_block_group(struct
162 return block_group; 162 return block_group;
163 return NULL; 163 return NULL;
164} 164}
165static u64 find_search_start(struct btrfs_root *root, 165
166 struct btrfs_block_group_cache **cache_ret, 166static u64 noinline find_search_start(struct btrfs_root *root,
167 u64 search_start, int num, 167 struct btrfs_block_group_cache **cache_ret,
168 int data, int full_scan) 168 u64 search_start, int num,
169 int data, int full_scan)
169{ 170{
170 int ret; 171 int ret;
171 struct btrfs_block_group_cache *cache = *cache_ret; 172 struct btrfs_block_group_cache *cache = *cache_ret;
@@ -393,11 +394,12 @@ static int match_extent_ref(struct extent_buffer *leaf,
393 return ret == 0; 394 return ret == 0;
394} 395}
395 396
396static int lookup_extent_backref(struct btrfs_trans_handle *trans, 397static int noinline lookup_extent_backref(struct btrfs_trans_handle *trans,
397 struct btrfs_root *root, 398 struct btrfs_root *root,
398 struct btrfs_path *path, u64 bytenr, 399 struct btrfs_path *path, u64 bytenr,
399 u64 root_objectid, u64 ref_generation, 400 u64 root_objectid,
400 u64 owner, u64 owner_offset, int del) 401 u64 ref_generation, u64 owner,
402 u64 owner_offset, int del)
401{ 403{
402 u64 hash; 404 u64 hash;
403 struct btrfs_key key; 405 struct btrfs_key key;
@@ -1116,8 +1118,8 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans,
1116 return 0; 1118 return 0;
1117} 1119}
1118 1120
1119static int finish_current_insert(struct btrfs_trans_handle *trans, struct 1121static int finish_current_insert(struct btrfs_trans_handle *trans,
1120 btrfs_root *extent_root) 1122 struct btrfs_root *extent_root)
1121{ 1123{
1122 u64 start; 1124 u64 start;
1123 u64 end; 1125 u64 end;
@@ -1360,11 +1362,13 @@ static u64 stripe_align(struct btrfs_root *root, u64 val)
1360 * ins->offset == number of blocks 1362 * ins->offset == number of blocks
1361 * Any available blocks before search_start are skipped. 1363 * Any available blocks before search_start are skipped.
1362 */ 1364 */
1363static int find_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root 1365static int noinline find_free_extent(struct btrfs_trans_handle *trans,
1364 *orig_root, u64 num_bytes, u64 empty_size, 1366 struct btrfs_root *orig_root,
1365 u64 search_start, u64 search_end, u64 hint_byte, 1367 u64 num_bytes, u64 empty_size,
1366 struct btrfs_key *ins, u64 exclude_start, 1368 u64 search_start, u64 search_end,
1367 u64 exclude_nr, int data) 1369 u64 hint_byte, struct btrfs_key *ins,
1370 u64 exclude_start, u64 exclude_nr,
1371 int data)
1368{ 1372{
1369 struct btrfs_path *path; 1373 struct btrfs_path *path;
1370 struct btrfs_key key; 1374 struct btrfs_key key;
@@ -1760,8 +1764,9 @@ struct extent_buffer *__btrfs_alloc_free_block(struct btrfs_trans_handle *trans,
1760 return buf; 1764 return buf;
1761} 1765}
1762 1766
1763static int drop_leaf_ref(struct btrfs_trans_handle *trans, 1767static int noinline drop_leaf_ref(struct btrfs_trans_handle *trans,
1764 struct btrfs_root *root, struct extent_buffer *leaf) 1768 struct btrfs_root *root,
1769 struct extent_buffer *leaf)
1765{ 1770{
1766 u64 leaf_owner; 1771 u64 leaf_owner;
1767 u64 leaf_generation; 1772 u64 leaf_generation;
@@ -1802,8 +1807,8 @@ static int drop_leaf_ref(struct btrfs_trans_handle *trans,
1802 return 0; 1807 return 0;
1803} 1808}
1804 1809
1805static void reada_walk_down(struct btrfs_root *root, 1810static void noinline reada_walk_down(struct btrfs_root *root,
1806 struct extent_buffer *node) 1811 struct extent_buffer *node)
1807{ 1812{
1808 int i; 1813 int i;
1809 u32 nritems; 1814 u32 nritems;
@@ -1835,8 +1840,9 @@ static void reada_walk_down(struct btrfs_root *root,
1835 * helper function for drop_snapshot, this walks down the tree dropping ref 1840 * helper function for drop_snapshot, this walks down the tree dropping ref
1836 * counts as it goes. 1841 * counts as it goes.
1837 */ 1842 */
1838static int walk_down_tree(struct btrfs_trans_handle *trans, struct btrfs_root 1843static int noinline walk_down_tree(struct btrfs_trans_handle *trans,
1839 *root, struct btrfs_path *path, int *level) 1844 struct btrfs_root *root,
1845 struct btrfs_path *path, int *level)
1840{ 1846{
1841 u64 root_owner; 1847 u64 root_owner;
1842 u64 root_gen; 1848 u64 root_gen;
@@ -1955,8 +1961,9 @@ out:
1955 * to find the first node higher up where we haven't yet gone through 1961 * to find the first node higher up where we haven't yet gone through
1956 * all the slots 1962 * all the slots
1957 */ 1963 */
1958static int walk_up_tree(struct btrfs_trans_handle *trans, struct btrfs_root 1964static int noinline walk_up_tree(struct btrfs_trans_handle *trans,
1959 *root, struct btrfs_path *path, int *level) 1965 struct btrfs_root *root,
1966 struct btrfs_path *path, int *level)
1960{ 1967{
1961 u64 root_owner; 1968 u64 root_owner;
1962 u64 root_gen; 1969 u64 root_gen;
@@ -2100,7 +2107,8 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
2100 return 0; 2107 return 0;
2101} 2108}
2102 2109
2103static int relocate_inode_pages(struct inode *inode, u64 start, u64 len) 2110static int noinline relocate_inode_pages(struct inode *inode, u64 start,
2111 u64 len)
2104{ 2112{
2105 u64 page_start; 2113 u64 page_start;
2106 u64 page_end; 2114 u64 page_end;
@@ -2169,7 +2177,7 @@ out_unlock:
2169/* 2177/*
2170 * note, this releases the path 2178 * note, this releases the path
2171 */ 2179 */
2172static int relocate_one_reference(struct btrfs_root *extent_root, 2180static int noinline relocate_one_reference(struct btrfs_root *extent_root,
2173 struct btrfs_path *path, 2181 struct btrfs_path *path,
2174 struct btrfs_key *extent_key) 2182 struct btrfs_key *extent_key)
2175{ 2183{
@@ -2268,9 +2276,9 @@ out:
2268 return 0; 2276 return 0;
2269} 2277}
2270 2278
2271static int relocate_one_extent(struct btrfs_root *extent_root, 2279static int noinline relocate_one_extent(struct btrfs_root *extent_root,
2272 struct btrfs_path *path, 2280 struct btrfs_path *path,
2273 struct btrfs_key *extent_key) 2281 struct btrfs_key *extent_key)
2274{ 2282{
2275 struct btrfs_key key; 2283 struct btrfs_key key;
2276 struct btrfs_key found_key; 2284 struct btrfs_key found_key;