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Date: Mon, 22 Feb 2016 00:46:30 +0100
From: Philippe Loctaux <phil@...lippeloctaux.com>
To: clm@...com
Cc: jbacik@...com, dsterba@...e.com, linux-btrfs@...r.kernel.org,
linux-kernel@...r.kernel.org,
Philippe Loctaux <phil@...lippeloctaux.com>
Subject: [PATCH] Btrfs: ctree: added lines after variable declarations
Added lines after variable declarations, fixing 22 checkpatch warnings.
Signed-off-by: Philippe Loctaux <phil@...lippeloctaux.com>
---
fs/btrfs/ctree.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 769e0ff..c9fd42d 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -45,6 +45,7 @@ static int tree_mod_log_free_eb(struct btrfs_fs_info *fs_info,
struct btrfs_path *btrfs_alloc_path(void)
{
struct btrfs_path *path;
+
path = kmem_cache_zalloc(btrfs_path_cachep, GFP_NOFS);
return path;
}
@@ -56,6 +57,7 @@ struct btrfs_path *btrfs_alloc_path(void)
noinline void btrfs_set_path_blocking(struct btrfs_path *p)
{
int i;
+
for (i = 0; i < BTRFS_MAX_LEVEL; i++) {
if (!p->nodes[i] || !p->locks[i])
continue;
@@ -873,6 +875,7 @@ tree_mod_log_eb_move(struct btrfs_fs_info *fs_info, struct extent_buffer *dst,
int dst_offset, int src_offset, int nr_items)
{
int ret;
+
ret = tree_mod_log_insert_move(fs_info, dst, dst_offset, src_offset,
nr_items, GFP_NOFS);
BUG_ON(ret < 0);
@@ -943,6 +946,7 @@ tree_mod_log_set_root_pointer(struct btrfs_root *root,
int log_removal)
{
int ret;
+
ret = tree_mod_log_insert_root(root->fs_info, root->node,
new_root_node, GFP_NOFS, log_removal);
BUG_ON(ret < 0);
@@ -1734,6 +1738,7 @@ static inline unsigned int leaf_data_end(struct btrfs_root *root,
struct extent_buffer *leaf)
{
u32 nr = btrfs_header_nritems(leaf);
+
if (nr == 0)
return BTRFS_LEAF_DATA_SIZE(root);
return btrfs_item_offset_nr(leaf, nr - 1);
@@ -2011,6 +2016,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
right = NULL;
} else {
struct btrfs_disk_key right_key;
+
btrfs_node_key(right, &right_key, 0);
tree_mod_log_set_node_key(root->fs_info, parent,
pslot + 1, 0);
@@ -2056,6 +2062,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
} else {
/* update the parent key to reflect our changes */
struct btrfs_disk_key mid_key;
+
btrfs_node_key(mid, &mid_key, 0);
tree_mod_log_set_node_key(root->fs_info, parent,
pslot, 0);
@@ -2154,6 +2161,7 @@ static noinline int push_nodes_for_insert(struct btrfs_trans_handle *trans,
ret = wret;
if (wret == 0) {
struct btrfs_disk_key disk_key;
+
orig_slot += left_nr;
btrfs_node_key(mid, &disk_key, 0);
tree_mod_log_set_node_key(root->fs_info, parent,
@@ -2382,6 +2390,7 @@ static noinline void unlock_up(struct btrfs_path *path, int level,
}
if (!no_skips && path->keep_locks) {
u32 nritems;
+
t = path->nodes[i];
nritems = btrfs_header_nritems(t);
if (nritems < 1 || path->slots[i] >= nritems - 1) {
@@ -2529,6 +2538,7 @@ setup_nodes_for_search(struct btrfs_trans_handle *trans,
int *write_lock_level)
{
int ret;
+
if ((p->search_for_split || ins_len > 0) && btrfs_header_nritems(b) >=
BTRFS_NODEPTRS_PER_BLOCK(root) - 3) {
int sret;
@@ -2825,6 +2835,7 @@ cow_done:
if (level != 0) {
int dec = 0;
+
if (ret && slot > 0) {
dec = 1;
slot -= 1;
@@ -2993,6 +3004,7 @@ again:
if (level != 0) {
int dec = 0;
+
if (ret && slot > 0) {
dec = 1;
slot -= 1;
@@ -3139,6 +3151,7 @@ static void fixup_low_keys(struct btrfs_fs_info *fs_info,
for (i = level; i < BTRFS_MAX_LEVEL; i++) {
int tslot = path->slots[i];
+
if (!path->nodes[i])
break;
t = path->nodes[i];
@@ -3574,6 +3587,7 @@ noinline int btrfs_leaf_free_space(struct btrfs_root *root,
{
int nritems = btrfs_header_nritems(leaf);
int ret;
+
ret = BTRFS_LEAF_DATA_SIZE(root) - leaf_space_used(leaf, 0, nritems);
if (ret < 0) {
btrfs_crit(root->fs_info,
@@ -3630,6 +3644,7 @@ static noinline int __push_leaf_right(struct btrfs_trans_handle *trans,
break;
if (path->slots[0] == i) {
int space = btrfs_leaf_free_space(root, left);
+
if (space + push_space * 2 > free_space)
break;
}
@@ -3849,6 +3864,7 @@ static noinline int __push_leaf_left(struct btrfs_trans_handle *trans,
break;
if (path->slots[0] == i) {
int space = btrfs_leaf_free_space(root, right);
+
if (space + push_space * 2 > free_space)
break;
}
@@ -4488,6 +4504,7 @@ int btrfs_split_item(struct btrfs_trans_handle *trans,
unsigned long split_offset)
{
int ret;
+
ret = setup_leaf_for_split(trans, root, path,
sizeof(struct btrfs_item));
if (ret)
@@ -4578,6 +4595,7 @@ 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(i);
ioff = btrfs_token_item_offset(leaf, item, &token);
@@ -4592,6 +4610,7 @@ void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path,
data_end, old_data_start + new_size - data_end);
} else {
struct btrfs_disk_key disk_key;
+
u64 offset;
btrfs_item_key(leaf, &disk_key, slot);
@@ -4679,6 +4698,7 @@ 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(i);
ioff = btrfs_token_item_offset(leaf, item, &token);
@@ -4993,6 +5013,7 @@ int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root,
}
} else {
int used = leaf_space_used(leaf, 0, nritems);
+
if (slot == 0) {
struct btrfs_disk_key disk_key;
@@ -5234,6 +5255,7 @@ static int tree_move_next_or_upnext(struct btrfs_root *root,
{
int ret = 0;
int nritems;
+
nritems = btrfs_header_nritems(path->nodes[*level]);
path->slots[*level]++;
@@ -5598,6 +5620,7 @@ next:
int ret;
int orig_lowest;
struct btrfs_key cur_key;
+
if (level + 1 >= BTRFS_MAX_LEVEL ||
!path->nodes[level + 1])
return 1;
--
2.7.1
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