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authorYongqiang Yang <xiaoqiangnk@gmail.com>2011-07-27 20:40:18 -0400
committerTheodore Ts'o <tytso@mit.edu>2011-07-27 20:40:18 -0400
commite6075e984d100c12bb79267639c3f661d9788a67 (patch)
tree6c50d26e084fc8b36817f33198f46469dcaa2857 /fs
parent6d40bc5a7e8fc71795d131e835f38f161ed7e1b1 (diff)
downloadop-kernel-dev-e6075e984d100c12bb79267639c3f661d9788a67.zip
op-kernel-dev-e6075e984d100c12bb79267639c3f661d9788a67.tar.gz
ext4: remove lock_buffer in bclean() and setup_new_group_blocks()
There is no need to lock the buffers since no one else should be touching these buffers besides the file system. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/resize.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 5b423f8..65e5cb6 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -147,10 +147,8 @@ 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;
@@ -229,10 +227,8 @@ 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);
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