diff options
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/ctree.h | 1 | ||||
| -rw-r--r-- | fs/btrfs/disk-io.c | 1 | ||||
| -rw-r--r-- | fs/btrfs/inode.c | 13 | ||||
| -rw-r--r-- | fs/btrfs/ordered-data.c | 18 |
4 files changed, 33 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 8bd9a6d5ade6..804962f97452 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1100,6 +1100,7 @@ struct btrfs_fs_info { struct lockdep_map btrfs_trans_num_extwriters_map; struct lockdep_map btrfs_state_change_map[4]; struct lockdep_map btrfs_trans_pending_ordered_map; + struct lockdep_map btrfs_ordered_extent_map; #ifdef CONFIG_BTRFS_FS_REF_VERIFY spinlock_t ref_verify_lock; diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 393553fdfed6..e0e1730e67d7 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2993,6 +2993,7 @@ void btrfs_init_fs_info(struct btrfs_fs_info *fs_info) btrfs_lockdep_init_map(fs_info, btrfs_trans_num_writers); btrfs_lockdep_init_map(fs_info, btrfs_trans_num_extwriters); btrfs_lockdep_init_map(fs_info, btrfs_trans_pending_ordered); + btrfs_lockdep_init_map(fs_info, btrfs_ordered_extent); btrfs_state_lockdep_init_map(fs_info, btrfs_trans_commit_start, BTRFS_LOCKDEP_TRANS_COMMIT_START); btrfs_state_lockdep_init_map(fs_info, btrfs_trans_unblocked, diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 1372210869b1..b06955727055 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3225,6 +3225,8 @@ int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent) clear_bits |= EXTENT_DELALLOC_NEW; freespace_inode = btrfs_is_free_space_inode(inode); + if (!freespace_inode) + btrfs_lockdep_acquire(fs_info, btrfs_ordered_extent); if (test_bit(BTRFS_ORDERED_IOERR, &ordered_extent->flags)) { ret = -EIO; @@ -8959,6 +8961,7 @@ void btrfs_destroy_inode(struct inode *vfs_inode) struct btrfs_ordered_extent *ordered; struct btrfs_inode *inode = BTRFS_I(vfs_inode); struct btrfs_root *root = inode->root; + bool freespace_inode; WARN_ON(!hlist_empty(&vfs_inode->i_dentry)); WARN_ON(vfs_inode->i_data.nrpages); @@ -8980,6 +8983,12 @@ void btrfs_destroy_inode(struct inode *vfs_inode) if (!root) return; + /* + * If this is a free space inode do not take the ordered extents lockdep + * map. + */ + freespace_inode = btrfs_is_free_space_inode(inode); + while (1) { ordered = btrfs_lookup_first_ordered_extent(inode, (u64)-1); if (!ordered) @@ -8988,6 +8997,10 @@ void btrfs_destroy_inode(struct inode *vfs_inode) btrfs_err(root->fs_info, "found ordered extent %llu %llu on inode cleanup", ordered->file_offset, ordered->num_bytes); + + if (!freespace_inode) + btrfs_lockdep_acquire(root->fs_info, btrfs_ordered_extent); + btrfs_remove_ordered_extent(inode, ordered); btrfs_put_ordered_extent(ordered); btrfs_put_ordered_extent(ordered); diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 2a4cb6db42d1..eb24a6d20ff8 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -524,6 +524,13 @@ void btrfs_remove_ordered_extent(struct btrfs_inode *btrfs_inode, struct btrfs_fs_info *fs_info = root->fs_info; struct rb_node *node; bool pending; + bool freespace_inode; + + /* + * If this is a free space inode the thread has not acquired the ordered + * extents lockdep map. + */ + freespace_inode = btrfs_is_free_space_inode(btrfs_inode); btrfs_lockdep_acquire(fs_info, btrfs_trans_pending_ordered); /* This is paired with btrfs_add_ordered_extent. */ @@ -597,6 +604,8 @@ void btrfs_remove_ordered_extent(struct btrfs_inode *btrfs_inode, } spin_unlock(&root->ordered_extent_lock); wake_up(&entry->wait); + if (!freespace_inode) + btrfs_lockdep_release(fs_info, btrfs_ordered_extent); } static void btrfs_run_ordered_extent_work(struct btrfs_work *work) @@ -715,10 +724,17 @@ void btrfs_start_ordered_extent(struct btrfs_ordered_extent *entry, int wait) u64 start = entry->file_offset; u64 end = start + entry->num_bytes - 1; struct btrfs_inode *inode = BTRFS_I(entry->inode); + bool freespace_inode; trace_btrfs_ordered_extent_start(inode, entry); /* + * If this is a free space inode do not take the ordered extents lockdep + * map. + */ + freespace_inode = btrfs_is_free_space_inode(inode); + + /* * pages in the range can be dirty, clean or writeback. We * start IO on any dirty ones so the wait doesn't stall waiting * for the flusher thread to find them @@ -726,6 +742,8 @@ void btrfs_start_ordered_extent(struct btrfs_ordered_extent *entry, int wait) if (!test_bit(BTRFS_ORDERED_DIRECT, &entry->flags)) filemap_fdatawrite_range(inode->vfs_inode.i_mapping, start, end); if (wait) { + if (!freespace_inode) + btrfs_might_wait_for_event(inode->root->fs_info, btrfs_ordered_extent); wait_event(entry->wait, test_bit(BTRFS_ORDERED_COMPLETE, &entry->flags)); } |