[PATCH] fs:ext3: remove lock_buffer in bclean() and setup_new_group_blocks
From: Cong Ding <hidden>
Date: 2012-12-02 01:40:46
Also in:
lkml
Subsystem:
filesystems (vfs and infrastructure), the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
it's not necessary to lock the buffers because no one touches them beyond the file system. Signed-off-by: Cong Ding <redacted> --- fs/ext3/resize.c | 4 ---- 1 files changed, 0 insertions(+), 4 deletions(-)
diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c
index 0f814f3..f76fcd6 100644
--- a/fs/ext3/resize.c
+++ b/fs/ext3/resize.c@@ -122,10 +122,8 @@ static struct buffer_head *bclean(handle_t *handle, struct super_block *sb, brelse(bh); bh = ERR_PTR(err); } else { - lock_buffer(bh); memset(bh->b_data, 0, sb->s_blocksize); set_buffer_uptodate(bh); - unlock_buffer(bh); } return bh;
@@ -242,10 +240,8 @@ static int setup_new_group_blocks(struct super_block *sb, brelse(gdb); goto exit_bh; } - lock_buffer(gdb); memcpy(gdb->b_data, sbi->s_group_desc[i]->b_data, gdb->b_size); set_buffer_uptodate(gdb); - unlock_buffer(gdb); err = ext3_journal_dirty_metadata(handle, gdb); if (err) { brelse(gdb);
--
1.7.4.5