btrfs: drop unused parameter from btrfs_item_nr

Remove unused eb parameter from btrfs_item_nr

Signed-off-by: Ross Kirk <ross.kirk@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

8 files changed, 31 insertions, 32 deletions

diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 0552a599b28f..721936a5b2ca 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -1619,7 +1619,7 @@ static int iterate_inode_refs(u64 inum, struct btrfs_root *fs_root,
                 btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
                 btrfs_release_path(path);
 
-                item = btrfs_item_nr(eb, slot);
+                item = btrfs_item_nr(slot);
                 iref = btrfs_item_ptr(eb, slot, struct btrfs_inode_ref);
 
                 for (cur = 0; cur < btrfs_item_size(eb, item); cur += len) {
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 61b5bcd57b7e..c274a752c93d 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -3337,8 +3337,8 @@ static int leaf_space_used(struct extent_buffer *l, int start, int nr)
         if (!nr)
                 return 0;
         btrfs_init_map_token(&token);
-        start_item = btrfs_item_nr(l, start);
-        end_item = btrfs_item_nr(l, end);
+        start_item = btrfs_item_nr(start);
+        end_item = btrfs_item_nr(end);
         data_len = btrfs_token_item_offset(l, start_item, &token) +
                 btrfs_token_item_size(l, start_item, &token);
         data_len = data_len - btrfs_token_item_offset(l, end_item, &token);
@@ -3406,7 +3406,7 @@ static noinline int __push_leaf_right(struct btrfs_trans_handle *trans,
         slot = path->slots[1];
         i = left_nritems - 1;
         while (i >= nr) {
-                item = btrfs_item_nr(left, i);
+                item = btrfs_item_nr(i);
 
                 if (!empty && push_items > 0) {
                         if (path->slots[0] > i)
@@ -3470,7 +3470,7 @@ static noinline int __push_leaf_right(struct btrfs_trans_handle *trans,
         btrfs_set_header_nritems(right, right_nritems);
         push_space = BTRFS_LEAF_DATA_SIZE(root);
         for (i = 0; i < right_nritems; i++) {
-                item = btrfs_item_nr(right, i);
+                item = btrfs_item_nr(i);
                 push_space -= btrfs_token_item_size(right, item, &token);
                 btrfs_set_token_item_offset(right, item, push_space, &token);
         }
@@ -3612,7 +3612,7 @@ static noinline int __push_leaf_left(struct btrfs_trans_handle *trans,
                 nr = min(right_nritems - 1, max_slot);
 
         for (i = 0; i < nr; i++) {
-                item = btrfs_item_nr(right, i);
+                item = btrfs_item_nr(i);
 
                 if (!empty && push_items > 0) {
                         if (path->slots[0] < i)
@@ -3663,7 +3663,7 @@ static noinline int __push_leaf_left(struct btrfs_trans_handle *trans,
         for (i = old_left_nritems; i < old_left_nritems + push_items; i++) {
                 u32 ioff;
 
-                item = btrfs_item_nr(left, i);
+                item = btrfs_item_nr(i);
 
                 ioff = btrfs_token_item_offset(left, item, &token);
                 btrfs_set_token_item_offset(left, item,
@@ -3694,7 +3694,7 @@ static noinline int __push_leaf_left(struct btrfs_trans_handle *trans,
         btrfs_set_header_nritems(right, right_nritems);
         push_space = BTRFS_LEAF_DATA_SIZE(root);
         for (i = 0; i < right_nritems; i++) {
-                item = btrfs_item_nr(right, i);
+                item = btrfs_item_nr(i);
 
                 push_space = push_space - btrfs_token_item_size(right,
                                                                 item, &token);
@@ -3835,7 +3835,7 @@ static noinline void copy_for_split(struct btrfs_trans_handle *trans,
                       btrfs_item_end_nr(l, mid);
 
         for (i = 0; i < nritems; i++) {
-                struct btrfs_item *item = btrfs_item_nr(right, i);
+                struct btrfs_item *item = btrfs_item_nr(i);
                 u32 ioff;
 
                 ioff = btrfs_token_item_offset(right, item, &token);
@@ -4177,7 +4177,7 @@ static noinline int split_item(struct btrfs_trans_handle *trans,
 
         btrfs_set_path_blocking(path);
 
-        item = btrfs_item_nr(leaf, path->slots[0]);
+        item = btrfs_item_nr(path->slots[0]);
         orig_offset = btrfs_item_offset(leaf, item);
         item_size = btrfs_item_size(leaf, item);
 
@@ -4200,7 +4200,7 @@ static noinline int split_item(struct btrfs_trans_handle *trans,
         btrfs_cpu_key_to_disk(&disk_key, new_key);
         btrfs_set_item_key(leaf, &disk_key, slot);
 
-        new_item = btrfs_item_nr(leaf, slot);
+        new_item = btrfs_item_nr(slot);
 
         btrfs_set_item_offset(leaf, new_item, orig_offset);
         btrfs_set_item_size(leaf, new_item, item_size - split_offset);
@@ -4339,7 +4339,7 @@ void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path,
         /* first correct the data pointers */
         for (i = slot; i < nritems; i++) {
                 u32 ioff;
-                item = btrfs_item_nr(leaf, i);
+                item = btrfs_item_nr(i);
 
                 ioff = btrfs_token_item_offset(leaf, item, &token);
                 btrfs_set_token_item_offset(leaf, item,
@@ -4387,7 +4387,7 @@ void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path,
                         fixup_low_keys(root, path, &disk_key, 1);
         }
 
-        item = btrfs_item_nr(leaf, slot);
+        item = btrfs_item_nr(slot);
         btrfs_set_item_size(leaf, item, new_size);
         btrfs_mark_buffer_dirty(leaf);
 
@@ -4441,7 +4441,7 @@ void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path,
         /* first correct the data pointers */
         for (i = slot; i < nritems; i++) {
                 u32 ioff;
-                item = btrfs_item_nr(leaf, i);
+                item = btrfs_item_nr(i);
 
                 ioff = btrfs_token_item_offset(leaf, item, &token);
                 btrfs_set_token_item_offset(leaf, item,
@@ -4455,7 +4455,7 @@ void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path,
 
         data_end = old_data;
         old_size = btrfs_item_size_nr(leaf, slot);
-        item = btrfs_item_nr(leaf, slot);
+        item = btrfs_item_nr(slot);
         btrfs_set_item_size(leaf, item, old_size + data_size);
         btrfs_mark_buffer_dirty(leaf);
 
@@ -4514,7 +4514,7 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path,
                 for (i = slot; i < nritems; i++) {
                         u32 ioff;
 
-                        item = btrfs_item_nr(leaf, i);
+                        item = btrfs_item_nr( i);
                         ioff = btrfs_token_item_offset(leaf, item, &token);
                         btrfs_set_token_item_offset(leaf, item,
                                                     ioff - total_data, &token);
@@ -4535,7 +4535,7 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path,
         for (i = 0; i < nr; i++) {
                 btrfs_cpu_key_to_disk(&disk_key, cpu_key + i);
                 btrfs_set_item_key(leaf, &disk_key, slot + i);
-                item = btrfs_item_nr(leaf, slot + i);
+                item = btrfs_item_nr(slot + i);
                 btrfs_set_token_item_offset(leaf, item,
                                             data_end - data_size[i], &token);
                 data_end -= data_size[i];
@@ -4730,7 +4730,7 @@ int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root,
                 for (i = slot + nr; i < nritems; i++) {
                         u32 ioff;
 
-                        item = btrfs_item_nr(leaf, i);
+                        item = btrfs_item_nr(i);
                         ioff = btrfs_token_item_offset(leaf, item, &token);
                         btrfs_set_token_item_offset(leaf, item,
                                                     ioff + dsize, &token);
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 0506f40ede83..fa117f7d5a8f 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2461,8 +2461,7 @@ static inline unsigned long btrfs_item_nr_offset(int nr)
                 sizeof(struct btrfs_item) * nr;
 }
 
-static inline struct btrfs_item *btrfs_item_nr(struct extent_buffer *eb,
-                                               int nr)
+static inline struct btrfs_item *btrfs_item_nr(int nr)
 {
         return (struct btrfs_item *)btrfs_item_nr_offset(nr);
 }
@@ -2475,30 +2474,30 @@ static inline u32 btrfs_item_end(struct extent_buffer *eb,
 
 static inline u32 btrfs_item_end_nr(struct extent_buffer *eb, int nr)
 {
-        return btrfs_item_end(eb, btrfs_item_nr(eb, nr));
+        return btrfs_item_end(eb, btrfs_item_nr(nr));
 }
 
 static inline u32 btrfs_item_offset_nr(struct extent_buffer *eb, int nr)
 {
-        return btrfs_item_offset(eb, btrfs_item_nr(eb, nr));
+        return btrfs_item_offset(eb, btrfs_item_nr(nr));
 }
 
 static inline u32 btrfs_item_size_nr(struct extent_buffer *eb, int nr)
 {
-        return btrfs_item_size(eb, btrfs_item_nr(eb, nr));
+        return btrfs_item_size(eb, btrfs_item_nr(nr));
 }
 
 static inline void btrfs_item_key(struct extent_buffer *eb,
                            struct btrfs_disk_key *disk_key, int nr)
 {
-        struct btrfs_item *item = btrfs_item_nr(eb, nr);
+        struct btrfs_item *item = btrfs_item_nr(nr);
         read_eb_member(eb, item, struct btrfs_item, key, disk_key);
 }
 
 static inline void btrfs_set_item_key(struct extent_buffer *eb,
                                struct btrfs_disk_key *disk_key, int nr)
 {
-        struct btrfs_item *item = btrfs_item_nr(eb, nr);
+        struct btrfs_item *item = btrfs_item_nr(nr);
         write_eb_member(eb, item, struct btrfs_item, key, disk_key);
 }
 
diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c
index 79e594e341c7..1c529db1697f 100644
--- a/fs/btrfs/dir-item.c
+++ b/fs/btrfs/dir-item.c
@@ -58,7 +58,7 @@ static struct btrfs_dir_item *insert_with_overflow(struct btrfs_trans_handle
                 return ERR_PTR(ret);
         WARN_ON(ret > 0);
         leaf = path->nodes[0];
-        item = btrfs_item_nr(leaf, path->slots[0]);
+        item = btrfs_item_nr(path->slots[0]);
         ptr = btrfs_item_ptr(leaf, path->slots[0], char);
         BUG_ON(data_size > btrfs_item_size(leaf, item));
         ptr += btrfs_item_size(leaf, item) - data_size;
diff --git a/fs/btrfs/inode-item.c b/fs/btrfs/inode-item.c
index e0b7034d6343..ec82fae07097 100644
--- a/fs/btrfs/inode-item.c
+++ b/fs/btrfs/inode-item.c
@@ -369,7 +369,7 @@ static int btrfs_insert_inode_extref(struct btrfs_trans_handle *trans,
                 goto out;
 
         leaf = path->nodes[0];
-        item = btrfs_item_nr(leaf, path->slots[0]);
+        item = btrfs_item_nr(path->slots[0]);
         ptr = (unsigned long)btrfs_item_ptr(leaf, path->slots[0], char);
         ptr += btrfs_item_size(leaf, item) - ins_len;
         extref = (struct btrfs_inode_extref *)ptr;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 59b4e2e495ac..57b27012d43a 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5044,7 +5044,7 @@ static int btrfs_real_readdir(struct file *file, struct dir_context *ctx)
                         continue;
                 }
 
-                item = btrfs_item_nr(leaf, slot);
+                item = btrfs_item_nr(slot);
                 btrfs_item_key_to_cpu(leaf, &found_key, slot);
 
                 if (found_key.objectid != key.objectid)
@@ -5856,7 +5856,7 @@ static noinline int uncompress_inline(struct btrfs_path *path,
         compress_type = btrfs_file_extent_compression(leaf, item);
         max_size = btrfs_file_extent_ram_bytes(leaf, item);
         inline_size = btrfs_file_extent_inline_item_len(leaf,
-                                        btrfs_item_nr(leaf, path->slots[0]));
+                                        btrfs_item_nr(path->slots[0]));
         tmp = kmalloc(inline_size, GFP_NOFS);
         if (!tmp)
                 return -ENOMEM;
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index 0088bedc8631..417053b17181 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -193,7 +193,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
         btrfs_info(root->fs_info, "leaf %llu total ptrs %d free space %d",
                    btrfs_header_bytenr(l), nr, btrfs_leaf_free_space(root, l));
         for (i = 0 ; i < nr ; i++) {
-                item = btrfs_item_nr(l, i);
+                item = btrfs_item_nr(i);
                 btrfs_item_key_to_cpu(l, &key, i);
                 type = btrfs_key_type(&key);
                 printk(KERN_INFO "\titem %d key (%llu %u %llu) itemoff %d "
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index e46e0ed74925..0a894399be16 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -791,7 +791,7 @@ static int iterate_inode_ref(struct btrfs_root *root, struct btrfs_path *path,
         if (found_key->type == BTRFS_INODE_REF_KEY) {
                 ptr = (unsigned long)btrfs_item_ptr(eb, slot,
                                                     struct btrfs_inode_ref);
-                item = btrfs_item_nr(eb, slot);
+                item = btrfs_item_nr(slot);
                 total = btrfs_item_size(eb, item);
                 elem_size = sizeof(*iref);
         } else {
@@ -905,7 +905,7 @@ static int iterate_dir_item(struct btrfs_root *root, struct btrfs_path *path,
 
         eb = path->nodes[0];
         slot = path->slots[0];
-        item = btrfs_item_nr(eb, slot);
+        item = btrfs_item_nr(slot);
         di = btrfs_item_ptr(eb, slot, struct btrfs_dir_item);
         cur = 0;
         len = 0;