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| author | Chris Mason <chris.mason@oracle.com> | 2011-05-28 07:00:39 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2011-05-28 07:00:39 -0400 |
| commit | ff5714cca971848963b87d6b477c16ca8abbaa54 (patch) | |
| tree | 17ee34b9b5e00804df4059503f82f6f1d94383a9 /fs/btrfs/free-space-cache.c | |
| parent | 174ba50915b08dcfd07c8b5fb795b46a165fa09a (diff) | |
| parent | d90c732122a1f6d0efe388a8a204f67f144b2eb3 (diff) | |
| download | linux-ff5714cca971848963b87d6b477c16ca8abbaa54.tar.bz2 | |
Merge branch 'for-chris' of
git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-work into for-linus
Conflicts:
fs/btrfs/disk-io.c
fs/btrfs/extent-tree.c
fs/btrfs/free-space-cache.c
fs/btrfs/inode.c
fs/btrfs/transaction.c
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/free-space-cache.c')
| -rw-r--r-- | fs/btrfs/free-space-cache.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 70d45795d758..dd38d4c3a599 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -402,7 +402,14 @@ int __load_free_space_cache(struct btrfs_root *root, struct inode *inode, spin_lock(&ctl->tree_lock); ret = link_free_space(ctl, e); spin_unlock(&ctl->tree_lock); - BUG_ON(ret); + if (ret) { + printk(KERN_ERR "Duplicate entries in " + "free space cache, dumping\n"); + kunmap(page); + unlock_page(page); + page_cache_release(page); + goto free_cache; + } } else { e->bitmap = kzalloc(PAGE_CACHE_SIZE, GFP_NOFS); if (!e->bitmap) { @@ -419,6 +426,14 @@ int __load_free_space_cache(struct btrfs_root *root, struct inode *inode, ctl->op->recalc_thresholds(ctl); spin_unlock(&ctl->tree_lock); list_add_tail(&e->list, &bitmaps); + if (ret) { + printk(KERN_ERR "Duplicate entries in " + "free space cache, dumping\n"); + kunmap(page); + unlock_page(page); + page_cache_release(page); + goto free_cache; + } } num_entries--; @@ -963,10 +978,16 @@ static int tree_insert_offset(struct rb_root *root, u64 offset, * logically. */ if (bitmap) { - WARN_ON(info->bitmap); + if (info->bitmap) { + WARN_ON_ONCE(1); + return -EEXIST; + } p = &(*p)->rb_right; } else { - WARN_ON(!info->bitmap); + if (!info->bitmap) { + WARN_ON_ONCE(1); + return -EEXIST; + } p = &(*p)->rb_left; } } |