Commit 3c1d84b7 authored Mar 09, 2016 by Satoru Takeuchi Committed by David Sterba Mar 11, 2016

Btrfs: Show a warning message if one of objectid reaches its highest value



It's better to show a warning message for the exceptional case
that one of objectid (in most case, inode number) reaches its
highest value. For example, if inode cache is off and this event
happens, we can't create any file even if there are not so many files.
This message ease detecting such problem.

Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

parent 6788f5ca

fs/btrfs/inode-map.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -556,6 +556,9 @@ int btrfs_find_free_objectid(struct btrfs_root root, u64 objectid)
		mutex_lock(&root->objectid_mutex);

		if (unlikely(root->highest_objectid >= BTRFS_LAST_FREE_OBJECTID)) {
		btrfs_warn(root->fs_info,
		"the objectid of root %llu reaches its highest value",
		root->root_key.objectid);
		ret = -ENOSPC;
		goto out;
		}

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