btrfs: remove fs_info from btrfs_check_space_for_delayed_refs

It can be referenced from the transaction handle.

Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

4 files changed, 6 insertions, 7 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 15c659f23411..4002c9fd924b 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2600,8 +2600,7 @@ static inline u64 btrfs_calc_trunc_metadata_size(struct btrfs_fs_info *fs_info,
 
 int btrfs_should_throttle_delayed_refs(struct btrfs_trans_handle *trans,
                                        struct btrfs_fs_info *fs_info);
-int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans,
-                                       struct btrfs_fs_info *fs_info);
+int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans);
 void btrfs_dec_block_group_reservations(struct btrfs_fs_info *fs_info,
                                          const u64 start);
 void btrfs_wait_block_group_reservations(struct btrfs_block_group_cache *bg);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 3ee5d84cd817..c7de1e720f56 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2789,9 +2789,9 @@ u64 btrfs_csum_bytes_to_leaves(struct btrfs_fs_info *fs_info, u64 csum_bytes)
         return num_csums;
 }
 
-int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans,
-                                       struct btrfs_fs_info *fs_info)
+int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans)
 {
+        struct btrfs_fs_info *fs_info = trans->fs_info;
         struct btrfs_block_rsv *global_rsv;
         u64 num_heads = trans->transaction->delayed_refs.num_heads_ready;
         u64 csum_bytes = trans->transaction->delayed_refs.pending_csums;
@@ -2842,7 +2842,7 @@ int btrfs_should_throttle_delayed_refs(struct btrfs_trans_handle *trans,
         if (val >= NSEC_PER_SEC / 2)
                 return 2;
 
-        return btrfs_check_space_for_delayed_refs(trans, fs_info);
+        return btrfs_check_space_for_delayed_refs(trans);
 }
 
 struct async_delayed_refs {
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 6c476dc81b8e..6a5557e8909d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5319,7 +5319,7 @@ static struct btrfs_trans_handle *evict_refill_and_join(struct btrfs_root *root,
                  * Try to steal from the global reserve if there is space for
                  * it.
                  */
-                if (!btrfs_check_space_for_delayed_refs(trans, fs_info) &&
+                if (!btrfs_check_space_for_delayed_refs(trans) &&
                     !btrfs_block_rsv_migrate(global_rsv, rsv, rsv->size, false))
                         return trans;
 
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index e7f618b17b07..c5015458c5c8 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -760,7 +760,7 @@ static int should_end_transaction(struct btrfs_trans_handle *trans)
 {
         struct btrfs_fs_info *fs_info = trans->fs_info;
 
-        if (btrfs_check_space_for_delayed_refs(trans, fs_info))
+        if (btrfs_check_space_for_delayed_refs(trans))
                 return 1;
 
         return !!btrfs_block_rsv_check(&fs_info->global_block_rsv, 5);