dentry.c File Reference

#include <kernel/fs/dentry.h>
#include <stdio.h>
#include <kernel/fs/vfs.h>
#include <kernel/log/log.h>
#include <kernel/sched/thread.h>
#include <kernel/sync/lock.h>
#include <kernel/sync/mutex.h>
#include <stdlib.h>

Go to the source code of this file.

Data Structures
struct	getdents_ctx_t

Functions
static void	dentry_free (dentry_t *dentry)
dentry_t *	dentry_new (superblock_t *superblock, dentry_t *parent, const char *name)
	Create a new dentry.
uint64_t	dentry_make_positive (dentry_t *dentry, inode_t *inode)
	Make a dentry positive by associating it with an inode.
void	dentry_inc_mount_count (dentry_t *dentry)
	Increments the mount count of a dentry.
void	dentry_dec_mount_count (dentry_t *dentry)
	Decrements the mount count of a dentry.
static void	getdents_write (getdents_ctx_t *ctx, inode_number_t number, inode_type_t type, const char *name)
static void	getdents_recursive_traversal (getdents_ctx_t *ctx, dentry_t *dentry)
uint64_t	dentry_generic_getdents (dentry_t *dentry, dirent_t *buffer, uint64_t count, uint64_t *offset, path_flags_t flags)
	Helper function for a basic getdents.

Function Documentation

dentry_free()

static void dentry_free ( dentry_t *  dentry )

static

Definition at line 13 of file dentry.c.

References assert, atomic_load, dentry_t::children, dentry_t::childrenMutex, dentry_ops_t::cleanup, DENTRY_IS_ROOT, DENTRY_NEGATIVE, DEREF, free(), dentry_t::inode, list_remove(), mutex_acquire(), mutex_release(), NULL, dentry_t::ops, dentry_t::parent, dentry_t::siblingEntry, and vfs_remove_dentry().

Referenced by dentry_new().

getdents_recursive_traversal()

static void getdents_recursive_traversal ( getdents_ctx_t *  ctx, dentry_t *  dentry  )

static

Definition at line 165 of file dentry.c.

References getdents_ctx_t::basePath, dentry_t::children, dentry_t::childrenMutex, getdents_ctx_t::flags, getdents_recursive_traversal(), getdents_write(), dentry_t::inode, INODE_DIR, LIST_FOR_EACH, MAX_PATH, MUTEX_SCOPE, dentry_t::name, inode_t::number, PATH_RECURSIVE, snprintf(), strncpy(), and inode_t::type.

Referenced by dentry_generic_getdents(), and getdents_recursive_traversal().

getdents_write()

static void getdents_write ( getdents_ctx_t *  ctx, inode_number_t  number, inode_type_t  type, const char *  name  )

static

Definition at line 148 of file dentry.c.

References getdents_ctx_t::buffer, getdents_ctx_t::count, getdents_ctx_t::index, MAX_PATH, dirent_t::name, dirent_t::number, getdents_ctx_t::offset, start(), strncpy(), and dirent_t::type.

Referenced by dentry_generic_getdents(), and getdents_recursive_traversal().