lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Btrfs: crash recovery fixes

Browse Source 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-06-28 15:57:36 -04:00
committed by David Woodhouse
parent f2654de42a
commit ccd467d60e
8 changed files with 112 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
fs/btrfs/ctree.c
View File

@ -75,6 +75,17 @@ static int btrfs_cow_block(struct btrfs_trans_handle *trans, struct btrfs_root
struct btrfs_node *cow_node;
int ret;
WARN_ON(!buffer_uptodate(buf));
if (trans->transaction != root->fs_info->running_transaction) {
printk(KERN_CRIT "trans %Lu running %Lu\n", trans->transid,
root->fs_info->running_transaction->transid);
WARN_ON(1);
}
if (trans->transid != root->fs_info->generation) {
printk(KERN_CRIT "trans %Lu running %Lu\n", trans->transid,
root->fs_info->generation);
WARN_ON(1);
}
if (btrfs_header_generation(btrfs_buffer_header(buf)) ==
trans->transid) {
*cow_ret = buf;
@ -107,7 +118,7 @@ static int btrfs_cow_block(struct btrfs_trans_handle *trans, struct btrfs_root
btrfs_free_extent(trans, root, bh_blocknr(buf), 1, 1);
}
btrfs_block_release(root, buf);
mark_buffer_dirty(cow);
btrfs_mark_buffer_dirty(cow);
*cow_ret = cow;
return 0;
}