From 580afd76e451deb6772d0507de580fb1df14da6c Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Mon, 8 Dec 2008 19:15:39 -0500 Subject: [PATCH] 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 --- fs/btrfs/file.c | 3 ++- fs/btrfs/tree-log.c | 5 +++++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index b5a6a2b6f668..71bfe3a6a444 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 d3f9c2c663c4..6ac1b7f72e2a 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, -- GitLab