diff options
Diffstat (limited to 'libre/linux-libre/0001-fix-btrfs-mount-deadlock.patch')
| -rw-r--r-- | libre/linux-libre/0001-fix-btrfs-mount-deadlock.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/libre/linux-libre/0001-fix-btrfs-mount-deadlock.patch b/libre/linux-libre/0001-fix-btrfs-mount-deadlock.patch new file mode 100644 index 000000000..9430d5833 --- /dev/null +++ b/libre/linux-libre/0001-fix-btrfs-mount-deadlock.patch @@ -0,0 +1,43 @@ +From 9c4f61f01d269815bb7c37be3ede59c5587747c6 Mon Sep 17 00:00:00 2001 +From: David Sterba <dsterba@suse.cz> +Date: Fri, 2 Jan 2015 19:12:57 +0100 +Subject: btrfs: simplify insert_orphan_item + +We can search and add the orphan item in one go, +btrfs_insert_orphan_item will find out if the item already exists. + +Signed-off-by: David Sterba <dsterba@suse.cz> + +diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c +index 5be45c1..25a1c36 100644 +--- a/fs/btrfs/tree-log.c ++++ b/fs/btrfs/tree-log.c +@@ -1254,21 +1254,13 @@ out: + } + + static int insert_orphan_item(struct btrfs_trans_handle *trans, +- struct btrfs_root *root, u64 offset) ++ struct btrfs_root *root, u64 ino) + { + int ret; +- struct btrfs_path *path; +- +- path = btrfs_alloc_path(); +- if (!path) +- return -ENOMEM; + +- ret = btrfs_find_item(root, path, BTRFS_ORPHAN_OBJECTID, +- offset, BTRFS_ORPHAN_ITEM_KEY, NULL); +- if (ret > 0) +- ret = btrfs_insert_orphan_item(trans, root, offset); +- +- btrfs_free_path(path); ++ ret = btrfs_insert_orphan_item(trans, root, ino); ++ if (ret == -EEXIST) ++ ret = 0; + + return ret; + } +-- +cgit v0.10.2 + |