On Wed, Dec 04, 2013 at 01:41:42PM +0100, Szőts Ákos wrote: > Thank you for your answer. > > Here are the "blocked states" logs. Since I had a plenty of time, I made > multiple of them. The last two are the longest of them. > > - http://paste.opensuse.org/view/raw/51654551 > - http://paste.opensuse.org/view/raw/39005796 > - http://paste.opensuse.org/view/raw/38028651 > - http://paste.opensuse.org/view/raw/21592065 > - http://paste.opensuse.org/view/raw/46655344 > - http://paste.opensuse.org/view/raw/26821272 > > Ákos Could you please try the following and show me the output of dmesg? thanks, -liubo diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 057be95..8f7711e 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -2950,11 +2950,16 @@ int load_free_ino_cache(struct btrfs_fs_info *fs_info, struct btrfs_root *root) return 0; inode = lookup_free_ino_inode(root, path); - if (IS_ERR(inode)) + if (IS_ERR(inode)) { + printk("%s: ino cache ino is NOT found\n", __func__); goto out; + } - if (root_gen != BTRFS_I(inode)->generation) + if (root_gen != BTRFS_I(inode)->generation) { + printk("%s: gen mismatch: root_gen_mem=%llu, root_gen=%llu, ino's gen=%llu\n", + __func__, btrfs_root_generation(&root->root_item), root_gen, BTRFS_I(inode)->generation); goto out_put; + } ret = __load_free_space_cache(root, inode, ctl, path, 0); diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c index ab485e5..6535139 100644 --- a/fs/btrfs/inode-map.c +++ b/fs/btrfs/inode-map.c @@ -473,7 +473,12 @@ again: } spin_lock(&root->cache_lock); - if (root->cached != BTRFS_CACHE_FINISHED) { + + /* ino cache has 3 state: + * BTRFS_CACHE_NO, BTRFS_CACHE_START, BTRFS_CACHE_FINISHED + */ + if (root->cached != BTRFS_CACHE_NO && root->cached != BTRFS_CACHE_FINISHED) { + printk("%s: bail out because it's not FINISHED, cached=%d\n", __func__, root->cached); ret = -1; spin_unlock(&root->cache_lock); goto out_put; -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
