aboutsummaryrefslogtreecommitdiff
path: root/lib/idr.c
diff options
context:
space:
mode:
authorJesper Juhl <jesper.juhl@gmail.com>2005-10-30 15:02:14 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-30 17:37:19 -0800
commite15ae2dd3e436552293e122a5163019e7a0fa450 (patch)
treecc6b18dd364329faa07c39c77ac133b61a8befc7 /lib/idr.c
parent850b9247926693454f71e819883f4dc06184e25f (diff)
downloadlinux-2.6.38-lt-ux500-e15ae2dd3e436552293e122a5163019e7a0fa450.tar.gz
[PATCH] Whitespace and CodingStyle cleanup for lib/idr.c
Cleanup trailing whitespace, blank lines, CodingStyle issues etc, for lib/idr.c Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'lib/idr.c')
-rw-r--r--lib/idr.c35
1 files changed, 17 insertions, 18 deletions
diff --git a/lib/idr.c b/lib/idr.c
index 6414b2fb482..d226259c3c2 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -6,20 +6,20 @@
* Modified by George Anzinger to reuse immediately and to use
* find bit instructions. Also removed _irq on spinlocks.
*
- * Small id to pointer translation service.
+ * Small id to pointer translation service.
*
- * It uses a radix tree like structure as a sparse array indexed
+ * It uses a radix tree like structure as a sparse array indexed
* by the id to obtain the pointer. The bitmap makes allocating
- * a new id quick.
+ * a new id quick.
*
* You call it to allocate an id (an int) an associate with that id a
* pointer or what ever, we treat it as a (void *). You can pass this
* id to a user for him to pass back at a later time. You then pass
* that id to this code and it returns your pointer.
- * You can release ids at any time. When all ids are released, most of
+ * You can release ids at any time. When all ids are released, most of
* the memory is returned (we keep IDR_FREE_MAX) in a local pool so we
- * don't need to go to the memory "store" during an id allocate, just
+ * don't need to go to the memory "store" during an id allocate, just
* so you don't need to be too concerned about locking and conflicts
* with the slab allocator.
*/
@@ -77,7 +77,7 @@ int idr_pre_get(struct idr *idp, gfp_t gfp_mask)
while (idp->id_free_cnt < IDR_FREE_MAX) {
struct idr_layer *new;
new = kmem_cache_alloc(idr_layer_cache, gfp_mask);
- if(new == NULL)
+ if (new == NULL)
return (0);
free_layer(idp, new);
}
@@ -107,7 +107,7 @@ static int sub_alloc(struct idr *idp, void *ptr, int *starting_id)
if (m == IDR_SIZE) {
/* no space available go back to previous layer. */
l++;
- id = (id | ((1 << (IDR_BITS*l))-1)) + 1;
+ id = (id | ((1 << (IDR_BITS * l)) - 1)) + 1;
if (!(p = pa[l])) {
*starting_id = id;
return -2;
@@ -161,7 +161,7 @@ static int idr_get_new_above_int(struct idr *idp, void *ptr, int starting_id)
{
struct idr_layer *p, *new;
int layers, v, id;
-
+
id = starting_id;
build_up:
p = idp->top;
@@ -225,6 +225,7 @@ build_up:
int idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id)
{
int rv;
+
rv = idr_get_new_above_int(idp, ptr, starting_id);
/*
* This is a cheap hack until the IDR code can be fixed to
@@ -259,6 +260,7 @@ EXPORT_SYMBOL(idr_get_new_above);
int idr_get_new(struct idr *idp, void *ptr, int *id)
{
int rv;
+
rv = idr_get_new_above_int(idp, ptr, 0);
/*
* This is a cheap hack until the IDR code can be fixed to
@@ -306,11 +308,10 @@ static void sub_remove(struct idr *idp, int shift, int id)
free_layer(idp, **paa);
**paa-- = NULL;
}
- if ( ! *paa )
+ if (!*paa)
idp->layers = 0;
- } else {
+ } else
idr_remove_warning(id);
- }
}
/**
@@ -326,9 +327,8 @@ void idr_remove(struct idr *idp, int id)
id &= MAX_ID_MASK;
sub_remove(idp, (idp->layers - 1) * IDR_BITS, id);
- if ( idp->top && idp->top->count == 1 &&
- (idp->layers > 1) &&
- idp->top->ary[0]){ // We can drop a layer
+ if (idp->top && idp->top->count == 1 && (idp->layers > 1) &&
+ idp->top->ary[0]) { // We can drop a layer
p = idp->top->ary[0];
idp->top->bitmap = idp->top->count = 0;
@@ -337,7 +337,6 @@ void idr_remove(struct idr *idp, int id)
--idp->layers;
}
while (idp->id_free_cnt >= IDR_FREE_MAX) {
-
p = alloc_layer(idp);
kmem_cache_free(idr_layer_cache, p);
return;
@@ -391,8 +390,8 @@ void *idr_find(struct idr *idp, int id)
}
EXPORT_SYMBOL(idr_find);
-static void idr_cache_ctor(void * idr_layer,
- kmem_cache_t *idr_layer_cache, unsigned long flags)
+static void idr_cache_ctor(void * idr_layer, kmem_cache_t *idr_layer_cache,
+ unsigned long flags)
{
memset(idr_layer, 0, sizeof(struct idr_layer));
}
@@ -400,7 +399,7 @@ static void idr_cache_ctor(void * idr_layer,
static int init_id_cache(void)
{
if (!idr_layer_cache)
- idr_layer_cache = kmem_cache_create("idr_layer_cache",
+ idr_layer_cache = kmem_cache_create("idr_layer_cache",
sizeof(struct idr_layer), 0, 0, idr_cache_ctor, NULL);
return 0;
}