Messages in this thread Patch in this message | | | From | Cong Ding <> | Subject | [PATCH] fs:ext3: remove lock_buffer in bclean() and setup_new_group_blocks | Date | Sun, 2 Dec 2012 01:40:28 +0000 |
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it's not necessary to lock the buffers because no one touches them beyond the file system.
Signed-off-by: Cong Ding <dinggnu@gmail.com> --- 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
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