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-rw-r--r--fs/btrfs/file.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 0726a73..126477e 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1157,6 +1157,8 @@ int btrfs_sync_file(struct file *file, struct dentry *dentry, int datasync)
btrfs_wait_ordered_range(inode, 0, (u64)-1);
root->log_batch++;
+ if (datasync && !(inode->i_state & I_DIRTY_PAGES))
+ goto out;
/*
* ok we haven't committed the transaction yet, lets do a commit
*/