for-6.18-rc4-tag

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Merge tag 'for-6.18-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:

 - fix memory leak in qgroup relation ioctl when qgroup levels are
   invalid

 - don't write back dirty metadata on filesystem with errors

 - properly log renamed links

 - properly mark prealloc extent range beyond inode size as dirty (when
   no-noles is not enabled)

* tag 'for-6.18-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: mark dirty extent range for out of bound prealloc extents
  btrfs: set inode flag BTRFS_INODE_COPY_EVERYTHING when logging new name
  btrfs: fix memory leak of qgroup_list in btrfs_add_qgroup_relation
  btrfs: ensure no dirty metadata is written back for an fs with errors

fs/btrfs/extent_io.c

@@ -2228,6 +2228,14 @@ static noinline_for_stack void write_one_eb(struct extent_buffer *eb,
 		wbc_account_cgroup_owner(wbc, folio, range_len);
 		folio_unlock(folio);
 	}
+	/*
+	 * If the fs is already in error status, do not submit any writeback
+	 * but immediately finish it.
+	 */
+	if (unlikely(BTRFS_FS_ERROR(fs_info))) {
+		btrfs_bio_end_io(bbio, errno_to_blk_status(BTRFS_FS_ERROR(fs_info)));
+		return;
+	}
 	btrfs_submit_bbio(bbio, 0);
 }
 

fs/btrfs/file.c

@@ -2854,12 +2854,22 @@ static int btrfs_fallocate_update_isize(struct inode *inode,
 {
 	struct btrfs_trans_handle *trans;
 	struct btrfs_root *root = BTRFS_I(inode)->root;
+	u64 range_start;
+	u64 range_end;
 	int ret;
 	int ret2;
 
 	if (mode & FALLOC_FL_KEEP_SIZE || end <= i_size_read(inode))
 		return 0;
 
+	range_start = round_down(i_size_read(inode), root->fs_info->sectorsize);
+	range_end = round_up(end, root->fs_info->sectorsize);
+
+	ret = btrfs_inode_set_file_extent_range(BTRFS_I(inode), range_start,
+						range_end - range_start);
+	if (ret)
+		return ret;
+
 	trans = btrfs_start_transaction(root, 1);
 	if (IS_ERR(trans))
 		return PTR_ERR(trans);

fs/btrfs/inode.c

@@ -6873,7 +6873,6 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
 	BTRFS_I(inode)->dir_index = 0ULL;
 	inode_inc_iversion(inode);
 	inode_set_ctime_current(inode);
-	set_bit(BTRFS_INODE_COPY_EVERYTHING, &BTRFS_I(inode)->runtime_flags);
 
 	ret = btrfs_add_link(trans, BTRFS_I(dir), BTRFS_I(inode),
 			     &fname.disk_name, 1, index);

fs/btrfs/qgroup.c

@@ -1539,8 +1539,10 @@ int btrfs_add_qgroup_relation(struct btrfs_trans_handle *trans, u64 src, u64 dst
 	ASSERT(prealloc);
 
 	/* Check the level of src and dst first */
-	if (btrfs_qgroup_level(src) >= btrfs_qgroup_level(dst))
+	if (btrfs_qgroup_level(src) >= btrfs_qgroup_level(dst)) {
+		kfree(prealloc);
 		return -EINVAL;
+	}
 
 	mutex_lock(&fs_info->qgroup_ioctl_lock);
 	if (!fs_info->quota_root) {

fs/btrfs/tree-log.c

@@ -7910,6 +7910,9 @@ void btrfs_log_new_name(struct btrfs_trans_handle *trans,
 	bool log_pinned = false;
 	int ret;
 
+	/* The inode has a new name (ref/extref), so make sure we log it. */
+	set_bit(BTRFS_INODE_COPY_EVERYTHING, &inode->runtime_flags);
+
 	btrfs_init_log_ctx(&ctx, inode);
 	ctx.logging_new_name = true;