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| author | Yongqiang Yang <xiaoqiangnk@gmail.com> | 2011-07-27 20:40:18 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2011-07-27 20:40:18 -0400 |
| commit | e6075e984d100c12bb79267639c3f661d9788a67 (patch) | |
| tree | 6c50d26e084fc8b36817f33198f46469dcaa2857 | |
| parent | 6d40bc5a7e8fc71795d131e835f38f161ed7e1b1 (diff) | |
| download | linux-stable-e6075e984d100c12bb79267639c3f661d9788a67.tar.gz linux-stable-e6075e984d100c12bb79267639c3f661d9788a67.tar.bz2 linux-stable-e6075e984d100c12bb79267639c3f661d9788a67.zip | |
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>
| -rw-r--r-- | 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 5b423f89efda..65e5cb6c094d 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); |