提交 b52abf1e 编写于 作者: F Filipe David Borba Manana 提交者: Chris Mason

Btrfs: don't wait for ordered data outside desired range

In btrfs_wait_ordered_range(), if we found an extent to the left
of the start of our desired wait range and the last byte of that
extent is 1 less than the desired range's start, we would would
wait for the IO completion of that extent unnecessarily.
Signed-off-by: NFilipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: NJosef Bacik <jbacik@fusionio.com>
Signed-off-by: NChris Mason <chris.mason@fusionio.com>
上级 b1a06a4b
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......@@ -803,7 +803,7 @@ int btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len)
btrfs_put_ordered_extent(ordered);
break;
}
if (ordered->file_offset + ordered->len < start) {
if (ordered->file_offset + ordered->len <= start) {
btrfs_put_ordered_extent(ordered);
break;
}
......
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