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Btrfs: do not do filemap_write_and_wait_range in fsync 

We already do the btrfs_wait_ordered_range which will do this for us, so
just remove this call so we don't call it twice.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
This commit is contained in:
Josef Bacik 2012-04-23 15:09:39 -04:00
parent 551ebb2d34
commit 0885ef5b56
1 changed files with 6 additions and 5 deletions
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11
fs/btrfs/file.c
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@ -1497,14 +1497,15 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
trace_btrfs_sync_file(file, datasync);
ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
if (ret)
return ret;
mutex_lock(&inode->i_mutex);
/* we wait first, since the writeback may change the inode */
/*
* we wait first, since the writeback may change the inode, also wait
* ordered range does a filemape_write_and_wait_range which is why we
* don't do it above like other file systems.
*/
root->log_batch++;
btrfs_wait_ordered_range(inode, 0, (u64)-1);
btrfs_wait_ordered_range(inode, start, end);
root->log_batch++;
/*