cache.h File Reference

#include <type.h>

Go to the source code of this file.

Data Structures
struct	hlist_node
struct	hlist_head
struct	vfs_cache

Macros
#define	VFS_CACHE_SIZE   32
#define	hlist_for_each(pos, head, member)

Functions
struct vfs_cache	__attribute__ ((aligned(64)))
void	hlist_add_head (struct hlist_node *n, struct hlist_head *h)
struct vfs_cache *	create_vfs_cache ()
struct vfs_cache *	get_root_cache ()
void	vfs_cache_insert (struct vfs_cache *cache, struct dentry *dentry)
struct dentry *	cache_lookup (struct vfs_cache *cache, struct dentry *parent, const char *name)
void	cache_remove (struct vfs_cache *cache, struct dentry *dentry)

Variables
struct hlist_head	buckets [32]
uint8_t	lock
int	count

Macro Definition Documentation

hlist_for_each

#define hlist_for_each	(		pos,
			head,
			member )

Value:

    for (pos = (head->first == NULL) ? NULL                                \
                     : container_of((head)->first,         \
                            typeof(*pos), member); \
         pos != NULL;                                                      \
         pos = (pos->member.next) ? container_of(pos->member.next,         \
                             typeof(*pos), member)     \
                      : NULL)

Definition at line 18 of file cache.h.

VFS_CACHE_SIZE

#define VFS_CACHE_SIZE   32

Definition at line 6 of file cache.h.

Referenced by __attribute__(), cache_lookup(), and cache_remove().

Function Documentation

__attribute__()

struct vfs_cache __attribute__

(

(aligned(64))

)

Definition at line 1 of file core.h.

cache_lookup()

struct dentry * cache_lookup	(	struct vfs_cache *	cache,
		struct dentry *	parent,
		const char *	name )

Definition at line 92 of file cache.c.

References bucket, kstring::c_str, cache, container_of, h, hash_dentry(), hash_node, idx, dentry::name, name, NULL, dentry::parent, parent, pos, strcmp(), and VFS_CACHE_SIZE.

cache_remove()

void cache_remove	(	struct vfs_cache *	cache,
		struct dentry *	dentry )

Definition at line 116 of file cache.c.

References cache, dentry::hash, dentry::hash_node, hlist_del(), idx, and VFS_CACHE_SIZE.

Referenced by delete_dentry(), and vfs_umount_recursive().

create_vfs_cache()

struct vfs_cache * create_vfs_cache

(

)

Definition at line 39 of file cache.c.

References cache, kalloc(), memset(), and serial2_printf().

Referenced by INIT().

get_root_cache()

struct vfs_cache * get_root_cache

(

)

Referenced by delete_dentry(), and vfs_umount_recursive().

hlist_add_head()

void hlist_add_head	(	struct hlist_node *	n,
		struct hlist_head *	h )

Definition at line 49 of file cache.c.

References h, hlist_node::next, NULL, and hlist_node::prev.

Referenced by __attribute__().

vfs_cache_insert()

void vfs_cache_insert	(	struct vfs_cache *	cache,
		struct dentry *	dentry )

References cache, name, and parent.

Variable Documentation

buckets

struct hlist_head buckets[32]

Definition at line 0 of file cache.h.

count

int count

Definition at line 2 of file cache.h.

Referenced by E1000SendPacketCWrapper(), elf_call_init_array(), elf_call_init_array_with_table(), elf_relocate_dyn(), notify_call(), pys_base_get_free_block_count(), ATAPIModule::read(), E1000Module::sendPacket(), serial2_send_unsigned_number(), strcspn(), strspn(), syscall_read(), syscall_write(), vxAPICCreateTimer(), vxGetNumberOfCores(), and ATAPIModule::write().

lock

uint8_t lock

Definition at line 1 of file cache.h.

Referenced by __attribute__(), mem_create_physwindow(), sch_restore_to_next_thread(), spin_acquire(), spin_is_locked(), spin_release(), vxAddWorkqueueTask(), vxAllocScheduler(), vxDeatachFromScheduler(), and vxSchedulerTick().