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Btrfs-progs: init free space ctl with proper unit

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btrfsck was blowing up when checking the free space cache when we ran xfstests
with -l 64k.  That is because I was init'ing the free space ctl to whatever the
leafsize was, which isn't right for data block groups.  With this patch btrfsck
no longer complains.  This also fixes a tiny little typo in free-space-cache.c I
noticed while figuring this problem out.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Josef Bacik 2013-05-03 21:00:52 +00:00 committed by Chris Mason
parent 9c82132740
commit c6eb10a7a4
2 changed files with 9 additions and 4 deletions
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11
cmds-check.c
View File

@ -2799,8 +2799,15 @@ static int check_space_cache(struct btrfs_root *root)
start = cache->key.objectid + cache->key.offset;
if (!cache->free_space_ctl) {
if (btrfs_init_free_space_ctl(cache,
root->leafsize)) {
int sectorsize;
if (cache->flags & (BTRFS_BLOCK_GROUP_METADATA |
BTRFS_BLOCK_GROUP_SYSTEM))
sectorsize = root->leafsize;
else
sectorsize = root->sectorsize;
if (btrfs_init_free_space_ctl(cache, sectorsize)) {
ret = -ENOMEM;
break;
}

2
free-space-cache.c
View File

@ -808,8 +808,6 @@ int btrfs_add_free_space(struct btrfs_free_space_ctl *ctl, u64 offset,
try_merge_free_space(ctl, info);
ret = link_free_space(ctl, info);
if (ret)
if (ret) {
printk(KERN_CRIT "btrfs: unable to add free space :%d\n", ret);
BUG_ON(ret == -EEXIST);