OpenE2K/linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Btrfs: Fix compressed checksum fsync log copies

Browse Source 
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>
This commit is contained in:
Chris Mason 2008-12-08 19:15:39 -05:00
parent c3027eb552
commit 580afd76e4
2 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
fs/btrfs/file.c
View File

@ -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++;
/*

5
fs/btrfs/tree-log.c
View File

@ -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,