2006-12-07 04:37:21

by Andrew Morton

[permalink] [raw]
Subject: [patch 193/354] ext4: uninline large functions

From: Andrew Morton <[email protected]>

Saves nearly 4kbytes on x86.

Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---

fs/ext4/Makefile | 3 -
fs/ext4/ext4_jbd2.c | 59 +++++++++++++++++++++++++++
include/linux/ext4_jbd2.h | 76 ++++++++----------------------------
3 files changed, 78 insertions(+), 60 deletions(-)

diff -puN fs/ext4/Makefile~ext4-uninline-large-functions fs/ext4/Makefile
--- a/fs/ext4/Makefile~ext4-uninline-large-functions
+++ a/fs/ext4/Makefile
@@ -5,7 +5,8 @@
obj-$(CONFIG_EXT4DEV_FS) += ext4dev.o

ext4dev-y := balloc.o bitmap.o dir.o file.o fsync.o ialloc.o inode.o \
- ioctl.o namei.o super.o symlink.o hash.o resize.o extents.o
+ ioctl.o namei.o super.o symlink.o hash.o resize.o extents.o \
+ ext4_jbd2.o

ext4dev-$(CONFIG_EXT4DEV_FS_XATTR) += xattr.o xattr_user.o xattr_trusted.o
ext4dev-$(CONFIG_EXT4DEV_FS_POSIX_ACL) += acl.o
diff -puN /dev/null fs/ext4/ext4_jbd2.c
--- /dev/null
+++ a/fs/ext4/ext4_jbd2.c
@@ -0,0 +1,59 @@
+/*
+ * Interface between ext4 and JBD
+ */
+
+#include <linux/ext4_jbd2.h>
+
+int __ext4_journal_get_undo_access(const char *where, handle_t *handle,
+ struct buffer_head *bh)
+{
+ int err = jbd2_journal_get_undo_access(handle, bh);
+ if (err)
+ ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ return err;
+}
+
+int __ext4_journal_get_write_access(const char *where, handle_t *handle,
+ struct buffer_head *bh)
+{
+ int err = jbd2_journal_get_write_access(handle, bh);
+ if (err)
+ ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ return err;
+}
+
+int __ext4_journal_forget(const char *where, handle_t *handle,
+ struct buffer_head *bh)
+{
+ int err = jbd2_journal_forget(handle, bh);
+ if (err)
+ ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ return err;
+}
+
+int __ext4_journal_revoke(const char *where, handle_t *handle,
+ ext4_fsblk_t blocknr, struct buffer_head *bh)
+{
+ int err = jbd2_journal_revoke(handle, blocknr, bh);
+ if (err)
+ ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ return err;
+}
+
+int __ext4_journal_get_create_access(const char *where,
+ handle_t *handle, struct buffer_head *bh)
+{
+ int err = jbd2_journal_get_create_access(handle, bh);
+ if (err)
+ ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ return err;
+}
+
+int __ext4_journal_dirty_metadata(const char *where,
+ handle_t *handle, struct buffer_head *bh)
+{
+ int err = jbd2_journal_dirty_metadata(handle, bh);
+ if (err)
+ ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ return err;
+}
diff -puN include/linux/ext4_jbd2.h~ext4-uninline-large-functions include/linux/ext4_jbd2.h
--- a/include/linux/ext4_jbd2.h~ext4-uninline-large-functions
+++ a/include/linux/ext4_jbd2.h
@@ -114,74 +114,32 @@ int ext4_mark_inode_dirty(handle_t *hand
* been done yet.
*/

-void ext4_journal_abort_handle(const char *caller, const char *err_fn,
- struct buffer_head *bh, handle_t *handle, int err);
-
-static inline int
-__ext4_journal_get_undo_access(const char *where, handle_t *handle,
- struct buffer_head *bh)
+static inline void ext4_journal_release_buffer(handle_t *handle,
+ struct buffer_head *bh)
{
- int err = jbd2_journal_get_undo_access(handle, bh);
- if (err)
- ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
- return err;
+ jbd2_journal_release_buffer(handle, bh);
}

-static inline int
-__ext4_journal_get_write_access(const char *where, handle_t *handle,
- struct buffer_head *bh)
-{
- int err = jbd2_journal_get_write_access(handle, bh);
- if (err)
- ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
- return err;
-}
+void ext4_journal_abort_handle(const char *caller, const char *err_fn,
+ struct buffer_head *bh, handle_t *handle, int err);

-static inline void
-ext4_journal_release_buffer(handle_t *handle, struct buffer_head *bh)
-{
- jbd2_journal_release_buffer(handle, bh);
-}
+int __ext4_journal_get_undo_access(const char *where, handle_t *handle,
+ struct buffer_head *bh);

-static inline int
-__ext4_journal_forget(const char *where, handle_t *handle, struct buffer_head *bh)
-{
- int err = jbd2_journal_forget(handle, bh);
- if (err)
- ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
- return err;
-}
+int __ext4_journal_get_write_access(const char *where, handle_t *handle,
+ struct buffer_head *bh);

-static inline int
-__ext4_journal_revoke(const char *where, handle_t *handle,
- ext4_fsblk_t blocknr, struct buffer_head *bh)
-{
- int err = jbd2_journal_revoke(handle, blocknr, bh);
- if (err)
- ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
- return err;
-}
+int __ext4_journal_forget(const char *where, handle_t *handle,
+ struct buffer_head *bh);

-static inline int
-__ext4_journal_get_create_access(const char *where,
- handle_t *handle, struct buffer_head *bh)
-{
- int err = jbd2_journal_get_create_access(handle, bh);
- if (err)
- ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
- return err;
-}
+int __ext4_journal_revoke(const char *where, handle_t *handle,
+ ext4_fsblk_t blocknr, struct buffer_head *bh);

-static inline int
-__ext4_journal_dirty_metadata(const char *where,
- handle_t *handle, struct buffer_head *bh)
-{
- int err = jbd2_journal_dirty_metadata(handle, bh);
- if (err)
- ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
- return err;
-}
+int __ext4_journal_get_create_access(const char *where,
+ handle_t *handle, struct buffer_head *bh);

+int __ext4_journal_dirty_metadata(const char *where,
+ handle_t *handle, struct buffer_head *bh);

#define ext4_journal_get_undo_access(handle, bh) \
__ext4_journal_get_undo_access(__FUNCTION__, (handle), (bh))
_