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Message-ID: <20171127182016.GB15301@ubuntu>
Date: Mon, 27 Nov 2017 18:20:16 +0000
From: Alfonso Lima Astor <alfonsolimaastor@...il.com>
To: Luis de Bethencourt <luisbg@...nel.org>
Cc: Alex Frappier Lachapelle <alex.frappierlachapelle@...il.com>,
salah.triki@...il.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fs: befs: btree: Fixed some coding standard issues
Fixed some coding standard issues.
Signed-off-by: Alex Frappier Lachapelle <Alex.FrappierLachapelle@...il.com>
Reviewed-by: Alfonso Lima Astor <alfonsolimaastor@...il.com>
---
fs/befs/btree.c | 97 ++++++++++++++++++++++++++++++---------------------------
1 file changed, 51 insertions(+), 46 deletions(-)
diff --git a/fs/befs/btree.c b/fs/befs/btree.c
index 1b7e0f7128d6..76a401c48bae 100644
--- a/fs/befs/btree.c
+++ b/fs/befs/btree.c
@@ -6,7 +6,7 @@
* Licensed under the GNU GPL. See the file COPYING for details.
*
* 2002-02-05: Sergey S. Kostyliov added binary search within
- * btree nodes.
+ * btree nodes.
*
* Many thanks to:
*
@@ -88,13 +88,15 @@ struct befs_btree_node {
static const befs_off_t BEFS_BT_INVAL = 0xffffffffffffffffULL;
/* local functions */
-static int befs_btree_seekleaf(struct super_block *sb, const befs_data_stream *ds,
- befs_btree_super * bt_super,
+static int befs_btree_seekleaf(struct super_block *sb,
+ const befs_data_stream *ds,
+ befs_btree_super *bt_super,
struct befs_btree_node *this_node,
- befs_off_t * node_off);
+ befs_off_t *node_off);
-static int befs_bt_read_super(struct super_block *sb, const befs_data_stream *ds,
- befs_btree_super * sup);
+static int befs_bt_read_super(struct super_block *sb,
+ const befs_data_stream *ds,
+ befs_btree_super *sup);
static int befs_bt_read_node(struct super_block *sb, const befs_data_stream *ds,
struct befs_btree_node *node,
@@ -110,11 +112,11 @@ static char *befs_bt_keydata(struct befs_btree_node *node);
static int befs_find_key(struct super_block *sb,
struct befs_btree_node *node,
- const char *findkey, befs_off_t * value);
+ const char *findkey, befs_off_t *value);
static char *befs_bt_get_key(struct super_block *sb,
struct befs_btree_node *node,
- int index, u16 * keylen);
+ int index, u16 *keylen);
static int befs_compare_strings(const void *key1, int keylen1,
const void *key2, int keylen2);
@@ -132,7 +134,7 @@ static int befs_compare_strings(const void *key1, int keylen1,
*/
static int
befs_bt_read_super(struct super_block *sb, const befs_data_stream *ds,
- befs_btree_super * sup)
+ befs_btree_super *sup)
{
struct buffer_head *bh;
befs_disk_btree_super *od_sup;
@@ -163,7 +165,7 @@ befs_bt_read_super(struct super_block *sb, const befs_data_stream *ds,
befs_debug(sb, "<--- %s", __func__);
return BEFS_OK;
- error:
+error:
befs_debug(sb, "<--- %s ERROR", __func__);
return BEFS_ERR;
}
@@ -200,8 +202,8 @@ befs_bt_read_node(struct super_block *sb, const befs_data_stream *ds,
node->bh = befs_read_datastream(sb, ds, node_off, &off);
if (!node->bh) {
- befs_error(sb, "%s failed to read "
- "node at %llu", __func__, node_off);
+ befs_error(sb, "%s failed to read node at %llu",
+ __func__, node_off);
befs_debug(sb, "<--- %s ERROR", __func__);
return BEFS_ERR;
@@ -243,7 +245,7 @@ befs_bt_read_node(struct super_block *sb, const befs_data_stream *ds,
*/
int
befs_btree_find(struct super_block *sb, const befs_data_stream *ds,
- const char *key, befs_off_t * value)
+ const char *key, befs_off_t *value)
{
struct befs_btree_node *this_node;
befs_btree_super bt_super;
@@ -253,16 +255,16 @@ befs_btree_find(struct super_block *sb, const befs_data_stream *ds,
befs_debug(sb, "---> %s Key: %s", __func__, key);
if (befs_bt_read_super(sb, ds, &bt_super) != BEFS_OK) {
- befs_error(sb,
- "befs_btree_find() failed to read index superblock");
+ befs_error(sb, "%s() failed to read index superblock",
+ __func__);
goto error;
}
this_node = kmalloc(sizeof(struct befs_btree_node),
GFP_NOFS);
if (!this_node) {
- befs_error(sb, "befs_btree_find() failed to allocate %zu "
- "bytes of memory", sizeof(struct befs_btree_node));
+ befs_error(sb, "%s() failed to allocate %zu bytes of memory",
+ __func__, sizeof(struct befs_btree_node));
goto error;
}
@@ -271,8 +273,8 @@ befs_btree_find(struct super_block *sb, const befs_data_stream *ds,
/* read in root node */
node_off = bt_super.root_node_ptr;
if (befs_bt_read_node(sb, ds, this_node, node_off) != BEFS_OK) {
- befs_error(sb, "befs_btree_find() failed to read "
- "node at %llu", node_off);
+ befs_error(sb, "%s() failed to read node at %llu",
+ __func__, node_off);
goto error_alloc;
}
@@ -282,8 +284,8 @@ befs_btree_find(struct super_block *sb, const befs_data_stream *ds,
if (res == BEFS_BT_OVERFLOW)
node_off = this_node->head.overflow;
if (befs_bt_read_node(sb, ds, this_node, node_off) != BEFS_OK) {
- befs_error(sb, "befs_btree_find() failed to read "
- "node at %llu", node_off);
+ befs_error(sb, "%s() failed to read node at %llu",
+ __func__, node_off);
goto error_alloc;
}
}
@@ -304,9 +306,9 @@ befs_btree_find(struct super_block *sb, const befs_data_stream *ds,
key, *value);
return BEFS_OK;
- error_alloc:
+error_alloc:
kfree(this_node);
- error:
+error:
*value = 0;
befs_debug(sb, "<--- %s ERROR", __func__);
return BEFS_ERR;
@@ -328,7 +330,7 @@ befs_btree_find(struct super_block *sb, const befs_data_stream *ds,
*/
static int
befs_find_key(struct super_block *sb, struct befs_btree_node *node,
- const char *findkey, befs_off_t * value)
+ const char *findkey, befs_off_t *value)
{
int first, last, mid;
int eq;
@@ -409,8 +411,8 @@ befs_find_key(struct super_block *sb, struct befs_btree_node *node,
*/
int
befs_btree_read(struct super_block *sb, const befs_data_stream *ds,
- loff_t key_no, size_t bufsize, char *keybuf, size_t * keysize,
- befs_off_t * value)
+ loff_t key_no, size_t bufsize, char *keybuf, size_t *keysize,
+ befs_off_t *value)
{
struct befs_btree_node *this_node;
befs_btree_super bt_super;
@@ -426,15 +428,15 @@ befs_btree_read(struct super_block *sb, const befs_data_stream *ds,
befs_debug(sb, "---> %s", __func__);
if (befs_bt_read_super(sb, ds, &bt_super) != BEFS_OK) {
- befs_error(sb,
- "befs_btree_read() failed to read index superblock");
+ befs_error(sb, "%s() failed to read index superblock",
+ __func__);
goto error;
}
this_node = kmalloc(sizeof(struct befs_btree_node), GFP_NOFS);
if (this_node == NULL) {
- befs_error(sb, "befs_btree_read() failed to allocate %zu "
- "bytes of memory", sizeof(struct befs_btree_node));
+ befs_error(sb, "%s() failed to allocate %zu bytes of memory",
+ __func__, sizeof(struct befs_btree_node));
goto error;
}
@@ -490,12 +492,12 @@ befs_btree_read(struct super_block *sb, const befs_data_stream *ds,
keystart = befs_bt_get_key(sb, this_node, cur_key, &keylen);
befs_debug(sb, "Read [%llu,%d]: keysize %d",
- (long long unsigned int)node_off, (int)cur_key,
+ (unsigned long long int)node_off, (int)cur_key,
(int)keylen);
if (bufsize < keylen + 1) {
- befs_error(sb, "%s keybuf too small (%zu) "
- "for key of size %d", __func__, bufsize, keylen);
+ befs_error(sb, "%s keybuf too small (%zu) for key of size %d",
+ __func__, bufsize, keylen);
brelse(this_node->bh);
goto error_alloc;
}
@@ -514,10 +516,10 @@ befs_btree_read(struct super_block *sb, const befs_data_stream *ds,
return BEFS_OK;
- error_alloc:
+error_alloc:
kfree(this_node);
- error:
+error:
*keysize = 0;
*value = 0;
befs_debug(sb, "<--- %s ERROR", __func__);
@@ -531,7 +533,7 @@ befs_btree_read(struct super_block *sb, const befs_data_stream *ds,
* @bt_super: Pointer to the superblock of the btree
* @this_node: Buffer to return the leafnode in
* @node_off: Pointer to offset of current node within datastream. Modified
- * by the function.
+ * by the function.
*
* Helper function for btree traverse. Moves the current position to the
* start of the first leaf node.
@@ -542,14 +544,14 @@ static int
befs_btree_seekleaf(struct super_block *sb, const befs_data_stream *ds,
befs_btree_super *bt_super,
struct befs_btree_node *this_node,
- befs_off_t * node_off)
+ befs_off_t *node_off)
{
befs_debug(sb, "---> %s", __func__);
if (befs_bt_read_node(sb, ds, this_node, *node_off) != BEFS_OK) {
- befs_error(sb, "%s failed to read "
- "node at %llu", __func__, *node_off);
+ befs_error(sb, "%s failed to read node at %llu",
+ __func__, *node_off);
goto error;
}
befs_debug(sb, "Seekleaf to root node %llu", *node_off);
@@ -572,8 +574,8 @@ befs_btree_seekleaf(struct super_block *sb, const befs_data_stream *ds,
*node_off = fs64_to_cpu(sb, valarray[0]);
}
if (befs_bt_read_node(sb, ds, this_node, *node_off) != BEFS_OK) {
- befs_error(sb, "%s failed to read "
- "node at %llu", __func__, *node_off);
+ befs_error(sb, "%s failed to read node at %llu",
+ __func__, *node_off);
goto error;
}
@@ -583,7 +585,7 @@ befs_btree_seekleaf(struct super_block *sb, const befs_data_stream *ds,
return BEFS_OK;
- error:
+error:
befs_debug(sb, "<--- %s ERROR", __func__);
return BEFS_ERR;
}
@@ -623,7 +625,7 @@ befs_bt_keylen_index(struct befs_btree_node *node)
{
const int keylen_align = 8;
unsigned long int off =
- (sizeof (befs_btree_nodehead) + node->head.all_key_length);
+ (sizeof(befs_btree_nodehead) + node->head.all_key_length);
ulong tmp = off % keylen_align;
if (tmp)
@@ -643,7 +645,7 @@ static fs64 *
befs_bt_valarray(struct befs_btree_node *node)
{
void *keylen_index_start = (void *) befs_bt_keylen_index(node);
- size_t keylen_index_size = node->head.all_key_count * sizeof (fs16);
+ size_t keylen_index_size = node->head.all_key_count * sizeof(fs16);
return (fs64 *) (keylen_index_start + keylen_index_size);
}
@@ -658,7 +660,7 @@ befs_bt_valarray(struct befs_btree_node *node)
static char *
befs_bt_keydata(struct befs_btree_node *node)
{
- return (char *) ((void *) node->od_node + sizeof (befs_btree_nodehead));
+ return (char *) ((void *) node->od_node + sizeof(befs_btree_nodehead));
}
/**
@@ -673,7 +675,7 @@ befs_bt_keydata(struct befs_btree_node *node)
*/
static char *
befs_bt_get_key(struct super_block *sb, struct befs_btree_node *node,
- int index, u16 * keylen)
+ int index, u16 *keylen)
{
int prev_key_end;
char *keystart;
@@ -714,6 +716,7 @@ befs_compare_strings(const void *key1, int keylen1,
{
int len = min_t(int, keylen1, keylen2);
int result = strncmp(key1, key2, len);
+
if (result == 0)
result = keylen1 - keylen2;
return result;
@@ -765,6 +768,7 @@ static int
btree_compare_float(cont void *key1, int keylen1, const void *key2, int keylen2)
{
float result = *(float *) key1 - *(float *) key2;
+
if (result == 0.0f)
return 0;
@@ -776,6 +780,7 @@ btree_compare_double(cont void *key1, int keylen1,
const void *key2, int keylen2)
{
double result = *(double *) key1 - *(double *) key2;
+
if (result == 0.0)
return 0;
--
2.15.0
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