Nobody touchs blocks beyond the filesystem, there is no need to lock
the buffers.
Signed-off-by: Yongqiang Yang <xiaoqiangnk@xxxxxxxxx>
---
fs/ext4/resize.c | 4 ----
1 files changed, 0 insertions(+), 4 deletions(-)
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index ac5b63d..e452bee 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -157,10 +157,8 @@ 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;
@@ -239,10 +237,8 @@ static int setup_new_group_blocks(struct super_block *sb,
brelse(gdb);
goto exit_journal;
}
- 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 = ext4_handle_dirty_metadata(handle, NULL, gdb);
if (unlikely(err)) {
brelse(gdb);
--
1.7.5.1
--
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