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authorChris Mason <chris.mason@oracle.com>2008-12-08 19:15:39 -0500
committerChris Mason <chris.mason@oracle.com>2008-12-08 19:15:39 -0500
commit580afd76e451deb6772d0507de580fb1df14da6c (patch)
treeea112be78807b07f617efffefb532e19778dc9bb /fs/btrfs
parentc3027eb5523d6983f12628f3fe13d8a7576db701 (diff)
downloadop-kernel-dev-580afd76e451deb6772d0507de580fb1df14da6c.zip
op-kernel-dev-580afd76e451deb6772d0507de580fb1df14da6c.tar.gz
Btrfs: Fix compressed checksum fsync log copies
The fsync logging code makes sure to onl copy the relevant checksum for each extent based on the file extent pointers it finds. But for compressed extents, it needs to copy the checksum for the entire extent. Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/file.c3
-rw-r--r--fs/btrfs/tree-log.c5
2 files changed, 7 insertions, 1 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index b5a6a2b..71bfe3a 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1228,7 +1228,8 @@ int btrfs_sync_file(struct file *file, struct dentry *dentry, int datasync)
mutex_unlock(&root->fs_info->trans_mutex);
root->fs_info->tree_log_batch++;
- filemap_fdatawait(inode->i_mapping);
+ filemap_fdatawrite(inode->i_mapping);
+ btrfs_wait_ordered_range(inode, 0, (u64)-1);
root->fs_info->tree_log_batch++;
/*
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index d3f9c2c..6ac1b7f 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2610,6 +2610,11 @@ static noinline int copy_items(struct btrfs_trans_handle *trans,
u64 cs = btrfs_file_extent_offset(src, extent);
u64 cl = btrfs_file_extent_num_bytes(src,
extent);;
+ if (btrfs_file_extent_compression(src,
+ extent)) {
+ cs = 0;
+ cl = dl;
+ }
/* ds == 0 is a hole */
if (ds != 0) {
ret = btrfs_inc_extent_ref(trans, log,
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