From 5a0143a4f00517ea433bf459a80742ccc623a665 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Thu, 28 Jul 2011 17:47:10 +0200 Subject: [PATCH] ext3: Remove i_mutex from ext3_sync_file() ext3_sync_file() does not need i_mutex for anything so just drop it. Signed-off-by: Jan Kara --- fs/ext3/fsync.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c index d494c55..1860ed3 100644 --- a/fs/ext3/fsync.c +++ b/fs/ext3/fsync.c @@ -61,13 +61,6 @@ int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync) if (ret) goto out; - /* - * Taking the mutex here just to keep consistent with how fsync was - * called previously, however it looks like we don't need to take - * i_mutex at all. - */ - mutex_lock(&inode->i_mutex); - J_ASSERT(ext3_journal_current_handle() == NULL); /* @@ -85,7 +78,6 @@ int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync) * safe in-journal, which is all fsync() needs to ensure. */ if (ext3_should_journal_data(inode)) { - mutex_unlock(&inode->i_mutex); ret = ext3_force_commit(inode->i_sb); goto out; } @@ -108,8 +100,6 @@ int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync) */ if (needs_barrier) blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL); - - mutex_unlock(&inode->i_mutex); out: trace_ext3_sync_file_exit(inode, ret); return ret; -- 2.7.4