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authorIngo Molnar <mingo@kernel.org>2013-08-15 10:00:09 +0200
committerIngo Molnar <mingo@kernel.org>2013-08-15 10:00:09 +0200
commitc9572f010d369d9905309f63e31180f291b66a8a (patch)
treefbca2a0576c4223790e23a3c1d5f50e2bdf64e10 /fs/btrfs/transaction.c
parent58cea307432e3376293e6b2be88d1f6e6e99274a (diff)
parentd4e4ab86bcba5a72779c43dc1459f71fea3d89c8 (diff)
downloadblackbird-op-linux-c9572f010d369d9905309f63e31180f291b66a8a.tar.gz
blackbird-op-linux-c9572f010d369d9905309f63e31180f291b66a8a.zip
Merge tag 'v3.11-rc5' into perf/core
Merge Linux 3.11-rc5, to sync up with the latest upstream fixes since -rc1. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/btrfs/transaction.c')
-rw-r--r--fs/btrfs/transaction.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index d58cce77fc6c..af1931a5960d 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -983,12 +983,12 @@ static noinline int commit_cowonly_roots(struct btrfs_trans_handle *trans,
* a dirty root struct and adds it into the list of dead roots that need to
* be deleted
*/
-int btrfs_add_dead_root(struct btrfs_root *root)
+void btrfs_add_dead_root(struct btrfs_root *root)
{
spin_lock(&root->fs_info->trans_lock);
- list_add_tail(&root->root_list, &root->fs_info->dead_roots);
+ if (list_empty(&root->root_list))
+ list_add_tail(&root->root_list, &root->fs_info->dead_roots);
spin_unlock(&root->fs_info->trans_lock);
- return 0;
}
/*
@@ -1925,7 +1925,7 @@ int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root)
}
root = list_first_entry(&fs_info->dead_roots,
struct btrfs_root, root_list);
- list_del(&root->root_list);
+ list_del_init(&root->root_list);
spin_unlock(&fs_info->trans_lock);
pr_debug("btrfs: cleaner removing %llu\n",
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