diff options
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/disk-io.c | 2 | ||||
| -rw-r--r-- | fs/btrfs/root-tree.c | 10 | ||||
| -rw-r--r-- | fs/btrfs/tests/btrfs-tests.c | 3 |
3 files changed, 11 insertions, 4 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index f670525..d01f89d 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -938,7 +938,7 @@ static int check_async_write(struct inode *inode, unsigned long bio_flags) if (bio_flags & EXTENT_BIO_TREE_LOG) return 0; #ifdef CONFIG_X86 - if (static_cpu_has_safe(X86_FEATURE_XMM4_2)) + if (static_cpu_has(X86_FEATURE_XMM4_2)) return 0; #endif return 1; diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c index a25f3b2..9fcd6df 100644 --- a/fs/btrfs/root-tree.c +++ b/fs/btrfs/root-tree.c @@ -310,8 +310,16 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root) set_bit(BTRFS_ROOT_ORPHAN_ITEM_INSERTED, &root->state); err = btrfs_insert_fs_root(root->fs_info, root); + /* + * The root might have been inserted already, as before we look + * for orphan roots, log replay might have happened, which + * triggers a transaction commit and qgroup accounting, which + * in turn reads and inserts fs roots while doing backref + * walking. + */ + if (err == -EEXIST) + err = 0; if (err) { - BUG_ON(err == -EEXIST); btrfs_free_fs_root(root); break; } diff --git a/fs/btrfs/tests/btrfs-tests.c b/fs/btrfs/tests/btrfs-tests.c index d39f714..f54bf45 100644 --- a/fs/btrfs/tests/btrfs-tests.c +++ b/fs/btrfs/tests/btrfs-tests.c @@ -137,7 +137,6 @@ static void btrfs_free_dummy_fs_info(struct btrfs_fs_info *fs_info) void **slot; spin_lock(&fs_info->buffer_lock); -restart: radix_tree_for_each_slot(slot, &fs_info->buffer_radix, &iter, 0) { struct extent_buffer *eb; @@ -147,7 +146,7 @@ restart: /* Shouldn't happen but that kind of thinking creates CVE's */ if (radix_tree_exception(eb)) { if (radix_tree_deref_retry(eb)) - goto restart; + slot = radix_tree_iter_retry(&iter); continue; } spin_unlock(&fs_info->buffer_lock); |
