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Diffstat (limited to 'fs/btrfs/inode-map.c')
-rw-r--r--fs/btrfs/inode-map.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index 45db4fb4b959..c242ae434355 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -13,6 +13,19 @@
#include "transaction.h"
#include "delalloc-space.h"
+static void fail_caching_thread(struct btrfs_root *root)
+{
+ struct btrfs_fs_info *fs_info = root->fs_info;
+
+ btrfs_warn(fs_info, "failed to start inode caching task");
+ btrfs_clear_pending_and_info(fs_info, INODE_MAP_CACHE,
+ "disabling inode map caching");
+ spin_lock(&root->ino_cache_lock);
+ root->ino_cache_state = BTRFS_CACHE_ERROR;
+ spin_unlock(&root->ino_cache_lock);
+ wake_up(&root->ino_cache_wait);
+}
+
static int caching_kthread(void *data)
{
struct btrfs_root *root = data;
@@ -165,11 +178,8 @@ static void start_caching(struct btrfs_root *root)
tsk = kthread_run(caching_kthread, root, "btrfs-ino-cache-%llu",
root->root_key.objectid);
- if (IS_ERR(tsk)) {
- btrfs_warn(fs_info, "failed to start inode caching task");
- btrfs_clear_pending_and_info(fs_info, INODE_MAP_CACHE,
- "disabling inode map caching");
- }
+ if (IS_ERR(tsk))
+ fail_caching_thread(root);
}
int btrfs_find_free_ino(struct btrfs_root *root, u64 *objectid)
@@ -187,11 +197,14 @@ again:
wait_event(root->ino_cache_wait,
root->ino_cache_state == BTRFS_CACHE_FINISHED ||
+ root->ino_cache_state == BTRFS_CACHE_ERROR ||
root->free_ino_ctl->free_space > 0);
if (root->ino_cache_state == BTRFS_CACHE_FINISHED &&
root->free_ino_ctl->free_space == 0)
return -ENOSPC;
+ else if (root->ino_cache_state == BTRFS_CACHE_ERROR)
+ return btrfs_find_free_objectid(root, objectid);
else
goto again;
}