summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--fs/btrfs/Makefile2
-rw-r--r--fs/btrfs/ctree.c1
-rw-r--r--fs/btrfs/ctree.h74
-rw-r--r--fs/btrfs/extent-tree.c2
-rw-r--r--fs/btrfs/struct-funcs.c97
-rw-r--r--fs/btrfs/tree-defrag.c2
6 files changed, 104 insertions, 74 deletions
diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile
index a3b51085d7f0..551743be5f03 100644
--- a/fs/btrfs/Makefile
+++ b/fs/btrfs/Makefile
@@ -5,7 +5,7 @@ obj-m := btrfs.o
btrfs-y := super.o ctree.o extent-tree.o print-tree.o root-tree.o dir-item.o \
hash.o file-item.o inode-item.o inode-map.o disk-io.o \
transaction.o bit-radix.o inode.o file.o tree-defrag.o \
- extent_map.o sysfs.o
+ extent_map.o sysfs.o struct-funcs.o
#btrfs-y := ctree.o disk-io.o radix-tree.o extent-tree.o print-tree.o \
# root-tree.o dir-item.o hash.o file-item.o inode-item.o \
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 54a5d006c562..0c6ed17ac1bc 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -16,7 +16,6 @@
* Boston, MA 021110-1307, USA.
*/
-#include <linux/highmem.h>
#include "ctree.h"
#include "disk-io.h"
#include "transaction.h"
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index a942a2427228..d1c6f023a302 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -426,77 +426,11 @@ struct btrfs_root {
offsetof(type, member), \
sizeof(((type *)0)->member)))
+#ifndef BTRFS_SETGET_FUNCS
#define BTRFS_SETGET_FUNCS(name, type, member, bits) \
-static inline u##bits btrfs_##name(struct extent_buffer *eb, \
- type *s) \
-{ \
- int err; \
- char *map_token; \
- char *kaddr; \
- int unmap_on_exit = (eb->map_token == NULL); \
- unsigned long map_start; \
- unsigned long map_len; \
- unsigned long offset = (unsigned long)s + \
- offsetof(type, member); \
- if (eb->map_token && offset >= eb->map_start && \
- offset + sizeof(((type *)0)->member) <= eb->map_start + \
- eb->map_len) { \
- kaddr = eb->kaddr; \
- map_start = eb->map_start; \
- err = 0; \
- } else { \
- err = map_extent_buffer(eb, offset, \
- sizeof(((type *)0)->member), \
- &map_token, &kaddr, \
- &map_start, &map_len, KM_USER1); \
- } \
- if (!err) { \
- __le##bits *tmp = (__le##bits *)(kaddr + offset - \
- map_start); \
- u##bits res = le##bits##_to_cpu(*tmp); \
- if (unmap_on_exit) \
- unmap_extent_buffer(eb, map_token, KM_USER1); \
- return res; \
- } else { \
- __le##bits res; \
- read_eb_member(eb, s, type, member, &res); \
- return le##bits##_to_cpu(res); \
- } \
-} \
-static inline void btrfs_set_##name(struct extent_buffer *eb, \
- type *s, u##bits val) \
-{ \
- int err; \
- char *map_token; \
- char *kaddr; \
- unsigned long map_start; \
- unsigned long map_len; \
- int unmap_on_exit = (eb->map_token == NULL); \
- unsigned long offset = (unsigned long)s + \
- offsetof(type, member); \
- if (eb->map_token && offset >= eb->map_start && \
- offset + sizeof(((type *)0)->member) <= eb->map_start + \
- eb->map_len) { \
- kaddr = eb->kaddr; \
- map_start = eb->map_start; \
- err = 0; \
- } else { \
- err = map_extent_buffer(eb, offset, \
- sizeof(((type *)0)->member), \
- &map_token, &kaddr, \
- &map_start, &map_len, KM_USER1); \
- } \
- if (!err) { \
- __le##bits *tmp = (__le##bits *)(kaddr + offset - \
- map_start); \
- *tmp = cpu_to_le##bits(val); \
- if (unmap_on_exit) \
- unmap_extent_buffer(eb, map_token, KM_USER1); \
- } else { \
- val = cpu_to_le##bits(val); \
- write_eb_member(eb, s, type, member, &val); \
- } \
-}
+u##bits btrfs_##name(struct extent_buffer *eb, type *s); \
+void btrfs_set_##name(struct extent_buffer *eb, type *s, u##bits val);
+#endif
#define BTRFS_SETGET_HEADER_FUNCS(name, type, member, bits) \
static inline u##bits btrfs_##name(struct extent_buffer *eb) \
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 525fa845d613..e4e68ea96483 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1443,7 +1443,7 @@ int btrfs_drop_snapshot(struct btrfs_trans_handle *trans, struct btrfs_root
for (i = 0; i <= orig_level; i++) {
if (path->nodes[i]) {
free_extent_buffer(path->nodes[i]);
- path->nodes[i] = 0;
+ path->nodes[i] = NULL;
}
}
out:
diff --git a/fs/btrfs/struct-funcs.c b/fs/btrfs/struct-funcs.c
new file mode 100644
index 000000000000..cf68fcf9b552
--- /dev/null
+++ b/fs/btrfs/struct-funcs.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2007 Oracle. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
+#include <linux/highmem.h>
+#define BTRFS_SETGET_FUNCS(name, type, member, bits) \
+u##bits btrfs_##name(struct extent_buffer *eb, \
+ type *s) \
+{ \
+ unsigned long offset = (unsigned long)s + \
+ offsetof(type, member); \
+ __le##bits *tmp; \
+ /* ugly, but we want the fast path here */ \
+ if (eb->map_token && offset >= eb->map_start && \
+ offset + sizeof(((type *)0)->member) <= eb->map_start + \
+ eb->map_len) { \
+ tmp = (__le##bits *)(eb->kaddr + offset - \
+ eb->map_start); \
+ return le##bits##_to_cpu(*tmp); \
+ } \
+ { \
+ int err; \
+ char *map_token; \
+ char *kaddr; \
+ int unmap_on_exit = (eb->map_token == NULL); \
+ unsigned long map_start; \
+ unsigned long map_len; \
+ __le##bits res; \
+ err = map_extent_buffer(eb, offset, \
+ sizeof(((type *)0)->member), \
+ &map_token, &kaddr, \
+ &map_start, &map_len, KM_USER1); \
+ if (err) { \
+ read_eb_member(eb, s, type, member, &res); \
+ return le##bits##_to_cpu(res); \
+ } \
+ tmp = (__le##bits *)(kaddr + offset - map_start); \
+ res = le##bits##_to_cpu(*tmp); \
+ if (unmap_on_exit) \
+ unmap_extent_buffer(eb, map_token, KM_USER1); \
+ return res; \
+ } \
+} \
+void btrfs_set_##name(struct extent_buffer *eb, \
+ type *s, u##bits val) \
+{ \
+ unsigned long offset = (unsigned long)s + \
+ offsetof(type, member); \
+ __le##bits *tmp; \
+ /* ugly, but we want the fast path here */ \
+ if (eb->map_token && offset >= eb->map_start && \
+ offset + sizeof(((type *)0)->member) <= eb->map_start + \
+ eb->map_len) { \
+ tmp = (__le##bits *)(eb->kaddr + offset - \
+ eb->map_start); \
+ *tmp = cpu_to_le##bits(val); \
+ return; \
+ } \
+ { \
+ int err; \
+ char *map_token; \
+ char *kaddr; \
+ int unmap_on_exit = (eb->map_token == NULL); \
+ unsigned long map_start; \
+ unsigned long map_len; \
+ err = map_extent_buffer(eb, offset, \
+ sizeof(((type *)0)->member), \
+ &map_token, &kaddr, \
+ &map_start, &map_len, KM_USER1); \
+ if (err) { \
+ val = cpu_to_le##bits(val); \
+ write_eb_member(eb, s, type, member, &val); \
+ return; \
+ } \
+ tmp = (__le##bits *)(kaddr + offset - map_start); \
+ *tmp = cpu_to_le##bits(val); \
+ if (unmap_on_exit) \
+ unmap_extent_buffer(eb, map_token, KM_USER1); \
+ } \
+}
+
+#include "ctree.h"
+
diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/tree-defrag.c
index d23216aa4ab5..0d1a1be0995c 100644
--- a/fs/btrfs/tree-defrag.c
+++ b/fs/btrfs/tree-defrag.c
@@ -239,7 +239,7 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans,
for (i = 0; i <= orig_level; i++) {
if (path->nodes[i]) {
free_extent_buffer(path->nodes[i]);
- path->nodes[i] = 0;
+ path->nodes[i] = NULL;
}
}
out:
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-24 18:13:23 +0300