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[PATCH] ext4: uninline large functions
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Saves nearly 4kbytes on x86.

Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Andrew Morton authored and Linus Torvalds committed Dec 7, 2006
1 parent 3a229b3 commit 8984d13
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Showing 3 changed files with 78 additions and 60 deletions.
3 changes: 2 additions & 1 deletion fs/ext4/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -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
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59 changes: 59 additions & 0 deletions fs/ext4/ext4_jbd2.c
Original file line number Diff line number Diff line change
@@ -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;
}
76 changes: 17 additions & 59 deletions include/linux/ext4_jbd2.h
Original file line number Diff line number Diff line change
Expand Up @@ -114,74 +114,32 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode);
* 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))
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