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Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index aaaa7746685a..46609607789b 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4066,10 +4066,12 @@ int btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len)
* Called if we need to clear a data reservation for this inode
* Normally in a error case.
*
- * This one will handle the per-indoe data rsv map for accurate reserved
- * space framework.
+ * This one will *NOT* use accurate qgroup reserved space API, just for case
+ * which we can't sleep and is sure it won't affect qgroup reserved space.
+ * Like clear_bit_hook().
*/
-void btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len)
+void btrfs_free_reserved_data_space_noquota(struct inode *inode, u64 start,
+ u64 len)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_space_info *data_sinfo;
@@ -4079,13 +4081,6 @@ void btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len)
round_down(start, root->sectorsize);
start = round_down(start, root->sectorsize);
- /*
- * Free any reserved qgroup data space first
- * As it will alloc memory, we can't do it with data sinfo
- * spinlock hold.
- */
- btrfs_qgroup_free_data(inode, start, len);
-
data_sinfo = root->fs_info->data_sinfo;
spin_lock(&data_sinfo->lock);
if (WARN_ON(data_sinfo->bytes_may_use < len))
@@ -4097,6 +4092,19 @@ void btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len)
spin_unlock(&data_sinfo->lock);
}
+/*
+ * Called if we need to clear a data reservation for this inode
+ * Normally in a error case.
+ *
+ * This one will handle the per-indoe data rsv map for accurate reserved
+ * space framework.
+ */
+void btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len)
+{
+ btrfs_free_reserved_data_space_noquota(inode, start, len);
+ btrfs_qgroup_free_data(inode, start, len);
+}
+
static void force_metadata_allocation(struct btrfs_fs_info *info)
{
struct list_head *head = &info->space_info;