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| author | Liu Bo <liubo2009@cn.fujitsu.com> | 2012-03-29 09:57:45 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2012-03-29 09:57:45 -0400 |
| commit | e1f041e14cfb322f41f41a308bfede00f1b080cd (patch) | |
| tree | 8bae36b522a96948be985af03073813e3b0d851f /fs | |
| parent | 66c2689226ac322fbc9acd2e8e418b78dcd52f51 (diff) | |
| download | linux-e1f041e14cfb322f41f41a308bfede00f1b080cd.tar.bz2 | |
Btrfs: update to the right index of defragment
When we use autodefrag, we forget to update the index which indicates
the last page we've dirty. And we'll set dirty flags on a same set of
pages again and again.
Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/ioctl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index afde837644e5..18cc23d164a8 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1186,6 +1186,9 @@ int btrfs_defrag_file(struct inode *inode, struct file *file, if (newer_off == (u64)-1) break; + if (ret > 0) + i += ret; + newer_off = max(newer_off + 1, (u64)i << PAGE_CACHE_SHIFT); |