vfs_syscalls.c File Reference

#include <sys/cdefs.h>
#include "opt_capsicum.h"
#include "opt_compat.h"
#include "opt_kdtrace.h"
#include "opt_ktrace.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bio.h>
#include <sys/buf.h>
#include <sys/capability.h>
#include <sys/disk.h>
#include <sys/sysent.h>
#include <sys/malloc.h>
#include <sys/mount.h>
#include <sys/mutex.h>
#include <sys/sysproto.h>
#include <sys/namei.h>
#include <sys/filedesc.h>
#include <sys/kernel.h>
#include <sys/fcntl.h>
#include <sys/file.h>
#include <sys/filio.h>
#include <sys/limits.h>
#include <sys/linker.h>
#include <sys/sdt.h>
#include <sys/stat.h>
#include <sys/sx.h>
#include <sys/unistd.h>
#include <sys/vnode.h>
#include <sys/priv.h>
#include <sys/proc.h>
#include <sys/dirent.h>
#include <sys/jail.h>
#include <sys/syscallsubr.h>
#include <sys/sysctl.h>
#include <machine/stdarg.h>
#include <security/audit/audit.h>
#include <security/mac/mac_framework.h>
#include <vm/vm.h>
#include <vm/vm_object.h>
#include <vm/vm_page.h>
#include <vm/uma.h>
#include <ufs/ufs/quota.h>

Include dependency graph for vfs_syscalls.c:

Go to the source code of this file.

Data Structures
struct	sync_args
struct	quotactl_args
struct	statfs_args
struct	fstatfs_args
struct	getfsstat_args
struct	fchdir_args
struct	chdir_args
struct	chroot_args
struct	open_args
struct	openat_args
struct	mknod_args
struct	mknodat_args
struct	mkfifo_args
struct	mkfifoat_args
struct	link_args
struct	linkat_args
struct	symlink_args
struct	symlinkat_args
struct	unlink_args
struct	unlinkat_args
struct	lseek_args
struct	access_args
struct	faccessat_args
struct	eaccess_args
struct	stat_args
struct	fstatat_args
struct	lstat_args
struct	nstat_args
struct	lstat_args
struct	pathconf_args
struct	lpathconf_args
struct	readlink_args
struct	readlinkat_args
struct	chflags_args
struct	fchflags_args
struct	chmod_args
struct	fchmodat_args
struct	lchmod_args
struct	fchmod_args
struct	chown_args
struct	fchownat_args
struct	lchown_args
struct	fchown_args
struct	utimes_args
struct	futimesat_args
struct	lutimes_args
struct	futimes_args
struct	truncate_args
struct	fsync_args
struct	rename_args
struct	renameat_args
struct	mkdir_args
struct	mkdirat_args
struct	rmdir_args
struct	getdirentries_args
struct	getdents_args
struct	umask_args
struct	revoke_args
struct	lgetfh_args
struct	getfh_args
struct	fhopen_args
struct	fhstat_args
struct	fhstatfs_args

Functions
	__FBSDID ("$BSDSUniX$")
	MALLOC_DEFINE (M_FADVISE,"fadvise","posix_fadvise(2) information")
	SDT_PROVIDER_DEFINE (vfs)
	SDT_PROBE_DEFINE2 (vfs,, stat, mode,"char *","int")
	SDT_PROBE_DEFINE2 (vfs,, stat, reg,"char *","int")
static int	chroot_refuse_vdir_fds (struct filedesc *fdp)
static int	getutimes (const struct timeval *, enum uio_seg, struct timespec *)
static int	setfflags (struct thread *td, struct vnode *, int)
static int	setutimes (struct thread *td, struct vnode *, const struct timespec *, int, int)
static int	vn_access (struct vnode *vp, int user_flags, struct ucred *cred, struct thread *td)
int	sys_sync (struct thread *td, struct sync_args *uap)
int	sys_quotactl (struct thread *td, struct quotactl_args *uap)
void	statfs_scale_blocks (struct statfs *sf, long max_size)
int	sys_statfs (struct thread *td, struct statfs_args *uap)
int	kern_statfs (struct thread *td, char *path, enum uio_seg pathseg, struct statfs *buf)
int	sys_fstatfs (struct thread *td, struct fstatfs_args *uap)
int	kern_fstatfs (struct thread *td, int fd, struct statfs *buf)
int	sys_getfsstat (struct thread *td, struct getfsstat_args *uap)
int	kern_getfsstat (struct thread *td, struct statfs **buf, size_t bufsize, enum uio_seg bufseg, int flags)
int	sys_fchdir (struct thread *td, struct fchdir_args *uap)
int	sys_chdir (struct thread *td, struct chdir_args *uap)
int	kern_chdir (struct thread *td, char *path, enum uio_seg pathseg)
	SYSCTL_INT (_kern, OID_AUTO, chroot_allow_open_directories, CTLFLAG_RW,&chroot_allow_open_directories, 0,"")
int	sys_chroot (struct thread *td, struct chroot_args *uap)
int	change_dir (struct vnode *vp, struct thread *td)
int	change_root (struct vnode *vp, struct thread *td)
static __inline cap_rights_t	flags_to_rights (int flags)
int	sys_open (struct thread *td, struct open_args *uap)
int	sys_openat (struct thread *td, struct openat_args *uap)
int	kern_open (struct thread *td, char *path, enum uio_seg pathseg, int flags, int mode)
int	kern_openat (struct thread *td, int fd, char *path, enum uio_seg pathseg, int flags, int mode)
int	sys_mknod (struct thread *td, struct mknod_args *uap)
int	sys_mknodat (struct thread *td, struct mknodat_args *uap)
int	kern_mknod (struct thread *td, char *path, enum uio_seg pathseg, int mode, int dev)
int	kern_mknodat (struct thread *td, int fd, char *path, enum uio_seg pathseg, int mode, int dev)
int	sys_mkfifo (struct thread *td, struct mkfifo_args *uap)
int	sys_mkfifoat (struct thread *td, struct mkfifoat_args *uap)
int	kern_mkfifo (struct thread *td, char *path, enum uio_seg pathseg, int mode)
int	kern_mkfifoat (struct thread *td, int fd, char *path, enum uio_seg pathseg, int mode)
int	sys_link (struct thread *td, struct link_args *uap)
int	sys_linkat (struct thread *td, struct linkat_args *uap)
	SYSCTL_INT (_security_bsd, OID_AUTO, hardlink_check_uid, CTLFLAG_RW,&hardlink_check_uid, 0,"Unprivileged processes cannot create hard links to files owned by other ""users")
	SYSCTL_INT (_security_bsd, OID_AUTO, hardlink_check_gid, CTLFLAG_RW,&hardlink_check_gid, 0,"Unprivileged processes cannot create hard links to files owned by other ""groups")
static int	can_hardlink (struct vnode *vp, struct ucred *cred)
int	kern_link (struct thread *td, char *path, char *link, enum uio_seg segflg)
int	kern_linkat (struct thread *td, int fd1, int fd2, char *path1, char *path2, enum uio_seg segflg, int follow)
int	sys_symlink (struct thread *td, struct symlink_args *uap)
int	sys_symlinkat (struct thread *td, struct symlinkat_args *uap)
int	kern_symlink (struct thread *td, char *path, char *link, enum uio_seg segflg)
int	kern_symlinkat (struct thread *td, char *path1, int fd, char *path2, enum uio_seg segflg)
int	sys_undelete (struct thread *td, struct undelete_args *uap)
int	sys_unlink (struct thread *td, struct unlink_args *uap)
int	sys_unlinkat (struct thread *td, struct unlinkat_args *uap)
int	kern_unlink (struct thread *td, char *path, enum uio_seg pathseg)
int	kern_unlinkat (struct thread *td, int fd, char *path, enum uio_seg pathseg, ino_t oldinum)
int	sys_lseek (struct thread *td, struct lseek_args *uap)
int	freebsd6_lseek (struct thread *td, struct freebsd6_lseek_args *uap)
int	sys_access (struct thread *td, struct access_args *uap)
struct faccessat_args	sys_faccessat (struct thread *td, struct faccessat_args *uap)
int	kern_access (struct thread *td, char *path, enum uio_seg pathseg, int mode)
int	kern_accessat (struct thread *td, int fd, char *path, enum uio_seg pathseg, int flags, int mode)
int	sys_eaccess (struct thread *td, struct eaccess_args *uap)
int	kern_eaccess (struct thread *td, char *path, enum uio_seg pathseg, int flags)
int	sys_stat (struct thread *td, struct stat_args *uap)
struct fstatat_args	sys_fstatat (struct thread *td, struct fstatat_args *uap)
int	kern_stat (struct thread *td, char *path, enum uio_seg pathseg, struct stat *sbp)
int	kern_statat (struct thread *td, int flag, int fd, char *path, enum uio_seg pathseg, struct stat *sbp)
int	kern_statat_vnhook (struct thread *td, int flag, int fd, char *path, enum uio_seg pathseg, struct stat *sbp, void(*hook)(struct vnode *vp, struct stat *sbp))
int	sys_lstat (struct thread *td, struct lstat_args *uap)
int	kern_lstat (struct thread *td, char *path, enum uio_seg pathseg, struct stat *sbp)
void	cvtnstat (struct stat *sb, struct nstat *nsb)
int	sys_nstat (struct thread *td, struct nstat_args *uap)
int	sys_nlstat (struct thread *td, struct nlstat_args *uap)
int	sys_pathconf (struct thread *td, struct pathconf_args *uap)
int	sys_lpathconf (struct thread *td, struct lpathconf_args *uap)
int	kern_pathconf (struct thread *td, char *path, enum uio_seg pathseg, int name, u_long flags)
int	sys_readlink (struct thread *td, struct readlink_args *uap)
int	sys_readlinkat (struct thread *td, struct readlinkat_args *uap)
int	kern_readlink (struct thread *td, char *path, enum uio_seg pathseg, char *buf, enum uio_seg bufseg, size_t count)
int	kern_readlinkat (struct thread *td, int fd, char *path, enum uio_seg pathseg, char *buf, enum uio_seg bufseg, size_t count)
int	sys_chflags (struct thread *td, struct chflags_args *uap)
int	sys_lchflags (struct thread *td, struct lchflags_args *uap)
int	sys_fchflags (struct thread *td, struct fchflags_args *uap)
int	setfmode (struct thread *td, struct ucred *cred, struct vnode *vp, int mode)
int	sys_chmod (struct thread *td, struct chmod_args *uap)
struct fchmodat_args	sys_fchmodat (struct thread *td, struct fchmodat_args *uap)
int	kern_chmod (struct thread *td, char *path, enum uio_seg pathseg, int mode)
int	sys_lchmod (struct thread *td, struct lchmod_args *uap)
int	kern_fchmodat (struct thread *td, int fd, char *path, enum uio_seg pathseg, mode_t mode, int flag)
int	sys_fchmod (struct thread *td, struct fchmod_args *uap)
int	setfown (struct thread *td, struct ucred *cred, struct vnode *vp, uid_t uid, gid_t gid)
int	sys_chown (struct thread *td, struct chown_args *uap)
int	sys_fchownat (struct thread *td, struct fchownat_args *uap)
int	kern_chown (struct thread *td, char *path, enum uio_seg pathseg, int uid, int gid)
int	kern_fchownat (struct thread *td, int fd, char *path, enum uio_seg pathseg, int uid, int gid, int flag)
int	sys_lchown (struct thread *td, struct lchown_args *uap)
int	kern_lchown (struct thread *td, char *path, enum uio_seg pathseg, int uid, int gid)
int	sys_fchown (struct thread *td, struct fchown_args *uap)
static int	getutimes (struct timeval *usrtvp, enum uio_seg tvpseg, struct timespec *tsp) const
int	sys_utimes (struct thread *td, struct utimes_args *uap)
int	sys_futimesat (struct thread *td, struct futimesat_args *uap)
int	kern_utimes (struct thread *td, char *path, enum uio_seg pathseg, struct timeval *tptr, enum uio_seg tptrseg)
int	kern_utimesat (struct thread *td, int fd, char *path, enum uio_seg pathseg, struct timeval *tptr, enum uio_seg tptrseg)
int	sys_lutimes (struct thread *td, struct lutimes_args *uap)
int	kern_lutimes (struct thread *td, char *path, enum uio_seg pathseg, struct timeval *tptr, enum uio_seg tptrseg)
int	sys_futimes (struct thread *td, struct futimes_args *uap)
int	kern_futimes (struct thread *td, int fd, struct timeval *tptr, enum uio_seg tptrseg)
int	sys_truncate (struct thread *td, struct truncate_args *uap)
int	kern_truncate (struct thread *td, char *path, enum uio_seg pathseg, off_t length)
int	freebsd6_truncate (struct thread *td, struct freebsd6_truncate_args *uap)
int	freebsd6_ftruncate (struct thread *td, struct freebsd6_ftruncate_args *uap)
int	sys_fsync (struct thread *td, struct fsync_args *uap)
int	sys_rename (struct thread *td, struct rename_args *uap)
int	sys_renameat (struct thread *td, struct renameat_args *uap)
int	kern_rename (struct thread *td, char *from, char *to, enum uio_seg pathseg)
int	kern_renameat (struct thread *td, int oldfd, char *old, int newfd, char *new, enum uio_seg pathseg)
int	sys_mkdir (struct thread *td, struct mkdir_args *uap)
int	sys_mkdirat (struct thread *td, struct mkdirat_args *uap)
int	kern_mkdir (struct thread *td, char *path, enum uio_seg segflg, int mode)
int	kern_mkdirat (struct thread *td, int fd, char *path, enum uio_seg segflg, int mode)
int	sys_rmdir (struct thread *td, struct rmdir_args *uap)
int	kern_rmdir (struct thread *td, char *path, enum uio_seg pathseg)
int	kern_rmdirat (struct thread *td, int fd, char *path, enum uio_seg pathseg)
int	sys_getdirentries (struct thread *td, struct getdirentries_args *uap)
int	kern_getdirentries (struct thread *td, int fd, char *buf, u_int count, long *basep)
int	sys_getdents (struct thread *td, struct getdents_args *uap)
int	sys_umask (struct thread *td, struct umask_args *uap)
int	sys_revoke (struct thread *td, struct revoke_args *uap)
int	getvnode (struct filedesc *fdp, int fd, cap_rights_t rights, struct file **fpp)
int	sys_lgetfh (struct thread *td, struct lgetfh_args *uap)
int	sys_getfh (struct thread *td, struct getfh_args *uap)
int	sys_fhopen (struct thread *td, struct fhopen_args *uap)
int	sys_fhstat (struct thread *td, struct fhstat_args *uap)
int	sys_fhstatfs (struct thread *td, struct fhstatfs_args *uap)
int	kern_fhstatfs (struct thread *td, fhandle_t fh, struct statfs *buf)
int	kern_posix_fallocate (struct thread *td, int fd, off_t offset, off_t len)
int	sys_posix_fallocate (struct thread *td, struct posix_fallocate_args *uap)
int	kern_posix_fadvise (struct thread *td, int fd, off_t offset, off_t len, int advice)
int	sys_posix_fadvise (struct thread *td, struct posix_fadvise_args *uap)

Variables
int	async_io_version
static int	chroot_allow_open_directories = 1
int	hardlink_check_uid = 0
static int	hardlink_check_gid = 0
int	dirfd
char *	path
int	mode
int	flag
struct eaccess_args	sys_faccessat
int	fd
struct stat *	buf
struct lstat_args	sys_fstatat
struct lchmod_args	sys_fchmodat

Function Documentation

__FBSDID

(

"$BSDSUniX$"

)

static int can_hardlink ( struct vnode *  vp, struct ucred *  cred  )

static

Definition at line 1584 of file vfs_syscalls.c.

References groupmember(), and priv_check_cred().

Referenced by kern_linkat().

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int change_dir	(	struct vnode *	vp,
		struct thread *	td
	)

Definition at line 941 of file vfs_syscalls.c.

Referenced by do_jail_attach(), kern_chdir(), sys_chroot(), and sys_fchdir().

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int change_root	(	struct vnode *	vp,
		struct thread *	td
	)

Definition at line 965 of file vfs_syscalls.c.

References chroot_refuse_vdir_fds(), rootvnode, and vrele().

Referenced by do_jail_attach(), and sys_chroot().

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static int chroot_refuse_vdir_fds ( struct filedesc *  fdp )

static

Definition at line 853 of file vfs_syscalls.c.

References fd.

Referenced by change_root().

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void cvtnstat	(	struct stat *	sb,
		struct nstat *	nsb
	)

Definition at line 2490 of file vfs_syscalls.c.

Referenced by sys_nfstat(), sys_nlstat(), and sys_nstat().

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static __inline cap_rights_t flags_to_rights ( int  flags )

static

Definition at line 1000 of file vfs_syscalls.c.

Referenced by kern_openat().

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int freebsd6_ftruncate	(	struct thread *	td,
		struct freebsd6_ftruncate_args *	uap
	)

Definition at line 3542 of file vfs_syscalls.c.

References ftruncate_args::fd, ftruncate_args::length, and sys_ftruncate().

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int freebsd6_lseek	(	struct thread *	td,
		struct freebsd6_lseek_args *	uap
	)

Definition at line 2099 of file vfs_syscalls.c.

References lseek_args::fd, lseek_args::offset, sys_lseek(), and lseek_args::whence.

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int freebsd6_truncate	(	struct thread *	td,
		struct freebsd6_truncate_args *	uap
	)

Definition at line 3532 of file vfs_syscalls.c.

References truncate_args::length, truncate_args::path, and sys_truncate().

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static int getutimes ( const struct timeval *  , enum  uio_seg, struct timespec *    )

static

Referenced by kern_futimes(), kern_lutimes(), and kern_utimesat().

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static int getutimes ( struct timeval *  usrtvp, enum uio_seg  tvpseg, struct timespec *  tsp  ) const

static

Definition at line 3199 of file vfs_syscalls.c.

References vfs_timestamp().

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int getvnode	(	struct filedesc *	fdp,
		int	fd,
		cap_rights_t	rights,
		struct file **	fpp
	)

Definition at line 4340 of file vfs_syscalls.c.

References badfileops, cap_funwrap(), and fget_unlocked().

Referenced by kern_fstatfs(), kern_futimes(), kern_getdirentries(), sys___acl_aclcheck_fd(), sys___acl_delete_fd(), sys___acl_get_fd(), sys___acl_set_fd(), sys_extattr_delete_fd(), sys_extattr_get_fd(), sys_extattr_list_fd(), sys_extattr_set_fd(), sys_fchdir(), sys_fchflags(), and sys_fsync().

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int kern_access	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		int	mode
	)

Definition at line 2185 of file vfs_syscalls.c.

References kern_accessat().

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int kern_accessat	(	struct thread *	td,
		int	fd,
		char *	path,
		enum uio_seg	pathseg,
		int	flags,
		int	mode
	)

Definition at line 2192 of file vfs_syscalls.c.

References crdup(), crfree(), namei(), NDFREE(), vn_access(), and vput().

Referenced by kern_access(), kern_eaccess(), and sys_faccessat().

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int kern_chdir	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg
	)

Definition at line 816 of file vfs_syscalls.c.

References change_dir(), namei(), NDFREE(), vput(), and vrele().

Referenced by sys_chdir().

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int kern_chmod	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		int	mode
	)

Definition at line 2946 of file vfs_syscalls.c.

References kern_fchmodat().

Referenced by sys_chmod().

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int kern_chown	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		int	uid,
		int	gid
	)

Definition at line 3102 of file vfs_syscalls.c.

References kern_fchownat().

Referenced by sys_chown().

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int kern_eaccess	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		int	flags
	)

Definition at line 2255 of file vfs_syscalls.c.

References kern_accessat().

Referenced by sys_eaccess().

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int kern_fchmodat	(	struct thread *	td,
		int	fd,
		char *	path,
		enum uio_seg	pathseg,
		mode_t	mode,
		int	flag
	)

Definition at line 2976 of file vfs_syscalls.c.

References namei(), NDFREE(), setfmode(), and vrele().

Referenced by kern_chmod(), sys_fchmodat(), and sys_lchmod().

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int kern_fchownat	(	struct thread *	td,
		int	fd,
		char *	path,
		enum uio_seg	pathseg,
		int	uid,
		int	gid,
		int	flag
	)

Definition at line 3110 of file vfs_syscalls.c.

References namei(), NDFREE(), setfown(), and vrele().

Referenced by kern_chown(), kern_lchown(), and sys_fchownat().

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int kern_fhstatfs	(	struct thread *	td,
		fhandle_t	fh,
		struct statfs *	buf
	)

Definition at line 4746 of file vfs_syscalls.c.

References prison_canseemount(), priv_check(), vfs_busyfs(), vfs_unbusy(), and vput().

Referenced by sys_fhstatfs().

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int kern_fstatfs	(	struct thread *	td,
		int	fd,
		struct statfs *	buf
	)

Definition at line 371 of file vfs_syscalls.c.

References getvnode(), prison_enforce_statfs(), priv_check(), vfs_busy(), vfs_ref(), vfs_rel(), and vfs_unbusy().

Referenced by sys_fstatfs().

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int kern_futimes	(	struct thread *	td,
		int	fd,
		struct timeval *	tptr,
		enum uio_seg	tptrseg
	)

Definition at line 3405 of file vfs_syscalls.c.

References getutimes(), getvnode(), and setutimes().

Referenced by sys_futimes().

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int kern_getdirentries	(	struct thread *	td,
		int	fd,
		char *	buf,
		u_int	count,
		long *	basep
	)

Definition at line 4154 of file vfs_syscalls.c.

References buf, count, foffset_lock(), foffset_unlock(), getvnode(), and vput().

Referenced by sys_getdirentries().

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int kern_getfsstat	(	struct thread *	td,
		struct statfs **	buf,
		size_t	bufsize,
		enum uio_seg	bufseg,
		int	flags
	)

Definition at line 464 of file vfs_syscalls.c.

References buf, count, malloc(), mountlist, mountlist_mtx, prison_canseemount(), prison_enforce_statfs(), priv_check(), vfs_busy(), and vfs_unbusy().

Referenced by sys_getfsstat().

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int kern_lchown	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		int	uid,
		int	gid
	)

Definition at line 3155 of file vfs_syscalls.c.

References kern_fchownat().

Referenced by sys_lchown().

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int kern_link	(	struct thread *	td,
		char *	path,
		char *	link,
		enum uio_seg	segflg
	)

Definition at line 1612 of file vfs_syscalls.c.

References kern_linkat().

Referenced by sys_link().

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int kern_linkat	(	struct thread *	td,
		int	fd1,
		int	fd2,
		char *	path1,
		char *	path2,
		enum uio_seg	segflg,
		int	follow
	)

Definition at line 1619 of file vfs_syscalls.c.

References bwillwrite(), can_hardlink(), namei(), NDFREE(), vn_finished_write(), vn_start_write(), vput(), and vrele().

Referenced by kern_link(), and sys_linkat().

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int kern_lstat	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		struct stat *	sbp
	)

Definition at line 2479 of file vfs_syscalls.c.

References kern_statat().

Referenced by sys_lstat(), and sys_nlstat().

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int kern_lutimes	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		struct timeval *	tptr,
		enum uio_seg	tptrseg
	)

Definition at line 3362 of file vfs_syscalls.c.

References getutimes(), namei(), NDFREE(), setutimes(), and vrele().

Referenced by sys_lutimes().

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int kern_mkdir	(	struct thread *	td,
		char *	path,
		enum uio_seg	segflg,
		int	mode
	)

Definition at line 3796 of file vfs_syscalls.c.

References kern_mkdirat().

Referenced by sys_mkdir().

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int kern_mkdirat	(	struct thread *	td,
		int	fd,
		char *	path,
		enum uio_seg	segflg,
		int	mode
	)

Definition at line 3803 of file vfs_syscalls.c.

References bwillwrite(), namei(), NDFREE(), vn_finished_write(), vn_start_write(), vput(), and vrele().

Referenced by kern_mkdir(), and sys_mkdirat().

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int kern_mkfifo	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		int	mode
	)

Definition at line 1465 of file vfs_syscalls.c.

References kern_mkfifoat().

Referenced by sys_mkfifo().

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int kern_mkfifoat	(	struct thread *	td,
		int	fd,
		char *	path,
		enum uio_seg	pathseg,
		int	mode
	)

Definition at line 1472 of file vfs_syscalls.c.

References bwillwrite(), namei(), NDFREE(), vn_finished_write(), vn_start_write(), vput(), and vrele().

Referenced by kern_mkfifo(), kern_mknodat(), and sys_mkfifoat().

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int kern_mknod	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		int	mode,
		int	dev
	)

Definition at line 1314 of file vfs_syscalls.c.

References kern_mknodat().

Referenced by sys_mknod().

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int kern_mknodat	(	struct thread *	td,
		int	fd,
		char *	path,
		enum uio_seg	pathseg,
		int	mode,
		int	dev
	)

Definition at line 1322 of file vfs_syscalls.c.

References bwillwrite(), kern_mkfifoat(), namei(), NDFREE(), panic(), priv_check(), vn_finished_write(), vn_start_write(), vput(), and vrele().

Referenced by kern_mknod(), and sys_mknodat().

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int kern_open	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		int	flags,
		int	mode
	)

Definition at line 1075 of file vfs_syscalls.c.

References kern_openat().

Referenced by fdcheckstd(), parse_dir_md(), and sys_open().

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int kern_openat	(	struct thread *	td,
		int	fd,
		char *	path,
		enum uio_seg	pathseg,
		int	flags,
		int	mode
	)

Definition at line 1083 of file vfs_syscalls.c.

References badfileops, dupfdopen(), falloc_noinstall(), fdclose(), finit(), finstall(), flags_to_rights(), NDFREE(), type, vn_open(), and vnops.

Referenced by kern_open(), and sys_openat().

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int kern_pathconf	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		int	name,
		u_long	flags
	)

Definition at line 2608 of file vfs_syscalls.c.

References async_io_version, namei(), NDFREE(), and vput().

Referenced by sys_lpathconf(), and sys_pathconf().

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int kern_posix_fadvise	(	struct thread *	td,
		int	fd,
		off_t	offset,
		off_t	len,
		int	advice
	)

Definition at line 4895 of file vfs_syscalls.c.

References fget(), free(), malloc(), and mtxpool_sleep.

Referenced by sys_posix_fadvise().

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int kern_posix_fallocate	(	struct thread *	td,
		int	fd,
		off_t	offset,
		off_t	len
	)

Definition at line 4792 of file vfs_syscalls.c.

References bwillwrite(), fget(), maybe_yield(), panic(), vn_finished_write(), and vn_start_write().

Referenced by sys_posix_fallocate().

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int kern_readlink	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		char *	buf,
		enum uio_seg	bufseg,
		size_t	count
	)

Definition at line 2671 of file vfs_syscalls.c.

References kern_readlinkat().

Referenced by sys_readlink().

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int kern_readlinkat	(	struct thread *	td,
		int	fd,
		char *	path,
		enum uio_seg	pathseg,
		char *	buf,
		enum uio_seg	bufseg,
		size_t	count
	)

Definition at line 2680 of file vfs_syscalls.c.

References buf, count, namei(), NDFREE(), and vput().

Referenced by kern_readlink(), and sys_readlinkat().

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int kern_rename	(	struct thread *	td,
		char *	from,
		char *	to,
		enum uio_seg	pathseg
	)

Definition at line 3642 of file vfs_syscalls.c.

References kern_renameat().

Referenced by sys_rename().

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int kern_renameat	(	struct thread *	td,
		int	oldfd,
		char *	old,
		int	newfd,
		char *	new,
		enum uio_seg	pathseg
	)

Definition at line 3649 of file vfs_syscalls.c.

References bwillwrite(), namei(), NDFREE(), vn_finished_write(), vn_start_write(), vput(), and vrele().

Referenced by kern_rename(), and sys_renameat().

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int kern_rmdir	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg
	)

Definition at line 3888 of file vfs_syscalls.c.

References kern_rmdirat().

Referenced by sys_rmdir().

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int kern_rmdirat	(	struct thread *	td,
		int	fd,
		char *	path,
		enum uio_seg	pathseg
	)

Definition at line 3895 of file vfs_syscalls.c.

References bwillwrite(), namei(), NDFREE(), vfs_notify_upper(), vn_finished_write(), vn_start_write(), vput(), and vrele().

Referenced by kern_rmdir(), and sys_unlinkat().

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int kern_stat	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		struct stat *	sbp
	)

Definition at line 2398 of file vfs_syscalls.c.

References kern_statat().

Referenced by parse_dir_md(), and sys_nstat().

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int kern_statat	(	struct thread *	td,
		int	flag,
		int	fd,
		char *	path,
		enum uio_seg	pathseg,
		struct stat *	sbp
	)

Definition at line 2405 of file vfs_syscalls.c.

References kern_statat_vnhook().

Referenced by kern_lstat(), kern_stat(), and sys_fstatat().

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int kern_statat_vnhook	(	struct thread *	td,
		int	flag,
		int	fd,
		char *	path,
		enum uio_seg	pathseg,
		struct stat *	sbp,
		void(*)(struct vnode *vp, struct stat *sbp)	hook
	)

Definition at line 2413 of file vfs_syscalls.c.

References mode, namei(), NDFREE(), vn_stat(), and vput().

Referenced by kern_statat().

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int kern_statfs	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		struct statfs *	buf
	)

Definition at line 291 of file vfs_syscalls.c.

References namei(), NDFREE(), prison_enforce_statfs(), priv_check(), vfs_busy(), vfs_ref(), vfs_rel(), vfs_unbusy(), and vput().

Referenced by sys_statfs().

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int kern_symlink	(	struct thread *	td,
		char *	path,
		char *	link,
		enum uio_seg	segflg
	)

Definition at line 1718 of file vfs_syscalls.c.

References kern_symlinkat().

Referenced by sys_symlink(), and vfs_mountroot_devfs().

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int kern_symlinkat	(	struct thread *	td,
		char *	path1,
		int	fd,
		char *	path2,
		enum uio_seg	segflg
	)

Definition at line 1725 of file vfs_syscalls.c.

References bwillwrite(), namei(), namei_zone, NDFREE(), vn_finished_write(), vn_start_write(), vput(), and vrele().

Referenced by kern_symlink(), and sys_symlinkat().

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int kern_truncate	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		off_t	length
	)

Definition at line 3455 of file vfs_syscalls.c.

References namei(), NDFREE(), vn_finished_write(), vn_start_write(), vn_writechk(), and vrele().

Referenced by sys_truncate().

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int kern_unlink	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg
	)

Definition at line 1888 of file vfs_syscalls.c.

References kern_unlinkat().

Referenced by sys_unlink(), and vfs_mountroot_shuffle().

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int kern_unlinkat	(	struct thread *	td,
		int	fd,
		char *	path,
		enum uio_seg	pathseg,
		ino_t	oldinum
	)

Definition at line 1895 of file vfs_syscalls.c.

References bwillwrite(), namei(), NDFREE(), vfs_notify_upper(), vn_finished_write(), vn_start_write(), vn_stat(), vput(), and vrele().

Referenced by kern_unlink(), and sys_unlinkat().

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int kern_utimes	(	struct thread *	td,
		char *	path,
		enum uio_seg	pathseg,
		struct timeval *	tptr,
		enum uio_seg	tptrseg
	)

Definition at line 3309 of file vfs_syscalls.c.

References kern_utimesat().

Referenced by sys_utimes().

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int kern_utimesat	(	struct thread *	td,
		int	fd,
		char *	path,
		enum uio_seg	pathseg,
		struct timeval *	tptr,
		enum uio_seg	tptrseg
	)

Definition at line 3317 of file vfs_syscalls.c.

References getutimes(), namei(), NDFREE(), setutimes(), and vrele().

Referenced by kern_utimes(), and sys_futimesat().

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MALLOC_DEFINE	(	M_FADVISE	,
		"fadvise"	,
		"posix_fadvise(2) information"
	)

SDT_PROBE_DEFINE2	(	vfs	,
		stat	,
		mode	,
		"char *"	,
		"int"
	)

SDT_PROBE_DEFINE2	(	vfs	,
		stat	,
		reg	,
		"char *"	,
		"int"
	)

SDT_PROVIDER_DEFINE

(

vfs

)

static int setfflags ( struct thread *  td, struct vnode *  vp, int  flags  )

static

Definition at line 2733 of file vfs_syscalls.c.

References priv_check(), vn_finished_write(), and vn_start_write().

Referenced by sys_chflags(), sys_fchflags(), and sys_lchflags().

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int setfmode	(	struct thread *	td,
		struct ucred *	cred,
		struct vnode *	vp,
		int	mode
	)

Definition at line 2877 of file vfs_syscalls.c.

References vn_finished_write(), and vn_start_write().

Referenced by kern_fchmodat(), and vn_chmod().

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int setfown	(	struct thread *	td,
		struct ucred *	cred,
		struct vnode *	vp,
		uid_t	uid,
		gid_t	gid
	)

Definition at line 3028 of file vfs_syscalls.c.

References vn_finished_write(), and vn_start_write().

Referenced by kern_fchownat(), and vn_chown().

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static int setutimes ( struct thread *  td, struct vnode *  vp, const struct timespec *  ts, int  numtimes, int  nullflag  )

static

Definition at line 3233 of file vfs_syscalls.c.

References vn_finished_write(), and vn_start_write().

Referenced by kern_futimes(), kern_lutimes(), and kern_utimesat().

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void statfs_scale_blocks	(	struct statfs *	sf,
		long	max_size
	)

Definition at line 230 of file vfs_syscalls.c.

References count.

int sys_access	(	struct thread *	td,
		struct access_args *	uap
	)

Definition at line 2155 of file vfs_syscalls.c.

int sys_chdir	(	struct thread *	td,
		struct chdir_args *	uap
	)

Definition at line 805 of file vfs_syscalls.c.

References kern_chdir(), and chdir_args::path.

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int sys_chflags	(	struct thread *	td,
		struct chflags_args *	uap
	)

Definition at line 2783 of file vfs_syscalls.c.

References namei(), NDFREE(), setfflags(), and vrele().

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int sys_chmod	(	struct thread *	td,
		struct chmod_args *	uap
	)

Definition at line 2912 of file vfs_syscalls.c.

References kern_chmod().

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int sys_chown	(	struct thread *	td,
		struct chown_args *	uap
	)

Definition at line 3067 of file vfs_syscalls.c.

References kern_chown().

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int sys_chroot	(	struct thread *	td,
		struct chroot_args *	uap
	)

Definition at line 897 of file vfs_syscalls.c.

References change_dir(), change_root(), namei(), NDFREE(), chroot_args::path, priv_check(), vput(), and vrele().

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int sys_eaccess	(	struct thread *	td,
		struct eaccess_args *	uap
	)

Definition at line 2243 of file vfs_syscalls.c.

References kern_eaccess().

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struct faccessat_args sys_faccessat	(	struct thread *	td,
		struct faccessat_args *	uap
	)

Definition at line 2175 of file vfs_syscalls.c.

References faccessat_args::flag, kern_accessat(), faccessat_args::mode, and faccessat_args::path.

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int sys_fchdir	(	struct thread *	td,
		struct fchdir_args *	uap
	)

Definition at line 740 of file vfs_syscalls.c.

References change_dir(), fchdir_args::fd, getvnode(), vfs_busy(), vfs_unbusy(), vput(), and vrele().

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int sys_fchflags	(	struct thread *	td,
		struct fchflags_args *	uap
	)

Definition at line 2845 of file vfs_syscalls.c.

References getvnode(), and setfflags().

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int sys_fchmod	(	struct thread *	td,
		struct fchmod_args *	uap
	)

Definition at line 3008 of file vfs_syscalls.c.

References fchmod_args::fd, fget(), and fchmod_args::mode.

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struct fchmodat_args sys_fchmodat	(	struct thread *	td,
		struct fchmodat_args *	uap
	)

Definition at line 2932 of file vfs_syscalls.c.

References fchmodat_args::flag, kern_fchmodat(), mode, fchmodat_args::mode, and fchmodat_args::path.

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int sys_fchown	(	struct thread *	td,
		struct fchown_args *	uap
	)

Definition at line 3174 of file vfs_syscalls.c.

References fget().

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int sys_fchownat	(	struct thread *	td,
		struct fchownat_args *	uap
	)

Definition at line 3089 of file vfs_syscalls.c.

References fchownat_args::fd, flag, fchownat_args::flag, fchownat_args::gid, kern_fchownat(), fchownat_args::path, and fchownat_args::uid.

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int sys_fhopen	(	struct thread *	td,
		struct fhopen_args *	uap
	)

Definition at line 4486 of file vfs_syscalls.c.

References accmode, falloc(), fdclose(), finit(), fhopen_args::flags, priv_check(), type, fhopen_args::u_fhp, vfs_busyfs(), vfs_ref(), vfs_rel(), vfs_unbusy(), vn_finished_write(), vn_start_write(), vn_writechk(), vnops, vput(), and vrele().

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int sys_fhstat	(	struct thread *	td,
		struct fhstat_args *	uap
	)

Definition at line 4677 of file vfs_syscalls.c.

References priv_check(), vfs_busyfs(), vfs_unbusy(), vn_stat(), and vput().

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int sys_fhstatfs	(	struct thread *	td,
		struct fhstatfs_args *	uap
	)

Definition at line 4725 of file vfs_syscalls.c.

References fhstatfs_args::buf, kern_fhstatfs(), and fhstatfs_args::u_fhp.

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struct fstatat_args sys_fstatat	(	struct thread *	td,
		struct fstatat_args *	uap
	)

Definition at line 2385 of file vfs_syscalls.c.

References fstatat_args::buf, fstatat_args::fd, fstatat_args::flag, kern_statat(), and fstatat_args::path.

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int sys_fstatfs	(	struct thread *	td,
		struct fstatfs_args *	uap
	)

Definition at line 354 of file vfs_syscalls.c.

References kern_fstatfs().

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int sys_fsync	(	struct thread *	td,
		struct fsync_args *	uap
	)

Definition at line 3560 of file vfs_syscalls.c.

References fsync_args::fd, getvnode(), vn_finished_write(), and vn_start_write().

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int sys_futimes	(	struct thread *	td,
		struct futimes_args *	uap
	)

Definition at line 3393 of file vfs_syscalls.c.

References kern_futimes().

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int sys_futimesat	(	struct thread *	td,
		struct futimesat_args *	uap
	)

Definition at line 3301 of file vfs_syscalls.c.

References futimesat_args::fd, kern_utimesat(), futimesat_args::path, and futimesat_args::times.

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int sys_getdents	(	struct thread *	td,
		struct getdents_args *	uap
	)

Definition at line 4239 of file vfs_syscalls.c.

References getdirentries_args::basep, getdirentries_args::buf, getdirentries_args::count, getdirentries_args::fd, and sys_getdirentries().

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int sys_getdirentries	(	struct thread *	td,
		struct getdirentries_args *	uap
	)

Definition at line 4133 of file vfs_syscalls.c.

References kern_getdirentries().

Referenced by sys_getdents().

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int sys_getfh	(	struct thread *	td,
		struct getfh_args *	uap
	)

Definition at line 4440 of file vfs_syscalls.c.

References namei(), NDFREE(), priv_check(), and vput().

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int sys_getfsstat	(	struct thread *	td,
		struct getfsstat_args *	uap
	)

Definition at line 445 of file vfs_syscalls.c.

References kern_getfsstat().

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int sys_lchflags	(	struct thread *	td,
		struct lchflags_args *	uap
	)

Definition at line 2811 of file vfs_syscalls.c.

References namei(), NDFREE(), setfflags(), and vrele().

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int sys_lchmod	(	struct thread *	td,
		struct lchmod_args *	uap
	)

Definition at line 2962 of file vfs_syscalls.c.

References kern_fchmodat().

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int sys_lchown	(	struct thread *	td,
		struct lchown_args *	uap
	)

Definition at line 3142 of file vfs_syscalls.c.

References kern_lchown().

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int sys_lgetfh	(	struct thread *	td,
		struct lgetfh_args *	uap
	)

Definition at line 4401 of file vfs_syscalls.c.

References namei(), NDFREE(), priv_check(), and vput().

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int sys_link	(	struct thread *	td,
		struct link_args *	uap
	)

Definition at line 1539 of file vfs_syscalls.c.

References kern_link().

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int sys_linkat	(	struct thread *	td,
		struct linkat_args *	uap
	)

Definition at line 1560 of file vfs_syscalls.c.

References linkat_args::fd1, linkat_args::fd2, linkat_args::flag, flag, kern_linkat(), linkat_args::path1, and linkat_args::path2.

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int sys_lpathconf	(	struct thread *	td,
		struct lpathconf_args *	uap
	)

Definition at line 2596 of file vfs_syscalls.c.

References kern_pathconf().

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int sys_lseek	(	struct thread *	td,
		struct lseek_args *	uap
	)

Definition at line 1977 of file vfs_syscalls.c.

References fget(), foffset_lock(), and foffset_unlock().

Referenced by freebsd6_lseek().

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int sys_lstat	(	struct thread *	td,
		struct lstat_args *	uap
	)

Definition at line 2462 of file vfs_syscalls.c.

References kern_lstat().

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int sys_lutimes	(	struct thread *	td,
		struct lutimes_args *	uap
	)

Definition at line 3349 of file vfs_syscalls.c.

References kern_lutimes().

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int sys_mkdir	(	struct thread *	td,
		struct mkdir_args *	uap
	)

Definition at line 3770 of file vfs_syscalls.c.

References kern_mkdir().

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int sys_mkdirat	(	struct thread *	td,
		struct mkdirat_args *	uap
	)

Definition at line 3789 of file vfs_syscalls.c.

References mkdirat_args::fd, kern_mkdirat(), mkdirat_args::mode, and mkdirat_args::path.

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int sys_mkfifo	(	struct thread *	td,
		struct mkfifo_args *	uap
	)

Definition at line 1438 of file vfs_syscalls.c.

References kern_mkfifo().

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int sys_mkfifoat	(	struct thread *	td,
		struct mkfifoat_args *	uap
	)

Definition at line 1457 of file vfs_syscalls.c.

References mkfifoat_args::fd, kern_mkfifoat(), mkfifoat_args::mode, and mkfifoat_args::path.

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int sys_mknod	(	struct thread *	td,
		struct mknod_args *	uap
	)

Definition at line 1285 of file vfs_syscalls.c.

References kern_mknod().

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int sys_mknodat	(	struct thread *	td,
		struct mknodat_args *	uap
	)

Definition at line 1306 of file vfs_syscalls.c.

References mknodat_args::dev, mknodat_args::fd, kern_mknodat(), mknodat_args::mode, and mknodat_args::path.

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int sys_nlstat	(	struct thread *	td,
		struct nlstat_args *	uap
	)

Definition at line 2549 of file vfs_syscalls.c.

References cvtnstat(), and kern_lstat().

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int sys_nstat	(	struct thread *	td,
		struct nstat_args *	uap
	)

Definition at line 2520 of file vfs_syscalls.c.

References cvtnstat(), and kern_stat().

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int sys_open	(	struct thread *	td,
		struct open_args *	uap
	)

Definition at line 1046 of file vfs_syscalls.c.

References kern_open().

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int sys_openat	(	struct thread *	td,
		struct openat_args *	uap
	)

Definition at line 1067 of file vfs_syscalls.c.

References openat_args::fd, openat_args::flag, kern_openat(), openat_args::mode, and openat_args::path.

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int sys_pathconf	(	struct thread *	td,
		struct pathconf_args *	uap
	)

Definition at line 2578 of file vfs_syscalls.c.

References kern_pathconf().

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int sys_posix_fadvise	(	struct thread *	td,
		struct posix_fadvise_args *	uap
	)

Definition at line 5020 of file vfs_syscalls.c.

References kern_posix_fadvise().

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int sys_posix_fallocate	(	struct thread *	td,
		struct posix_fallocate_args *	uap
	)

Definition at line 4880 of file vfs_syscalls.c.

References kern_posix_fallocate().

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int sys_quotactl	(	struct thread *	td,
		struct quotactl_args *	uap
	)

Definition at line 171 of file vfs_syscalls.c.

References namei(), NDFREE(), prison_allow(), vfs_busy(), vfs_ref(), vfs_rel(), vfs_unbusy(), and vput().

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int sys_readlink	(	struct thread *	td,
		struct readlink_args *	uap
	)

Definition at line 2642 of file vfs_syscalls.c.

References kern_readlink().

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int sys_readlinkat	(	struct thread *	td,
		struct readlinkat_args *	uap
	)

Definition at line 2663 of file vfs_syscalls.c.

References readlinkat_args::buf, readlinkat_args::bufsize, readlinkat_args::fd, kern_readlinkat(), and readlinkat_args::path.

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int sys_rename	(	struct thread *	td,
		struct rename_args *	uap
	)

Definition at line 3614 of file vfs_syscalls.c.

References kern_rename().

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int sys_renameat	(	struct thread *	td,
		struct renameat_args *	uap
	)

Definition at line 3634 of file vfs_syscalls.c.

References kern_renameat(), renameat_args::new, renameat_args::newfd, renameat_args::old, and renameat_args::oldfd.

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int sys_revoke	(	struct thread *	td,
		struct revoke_args *	uap
	)

Definition at line 4290 of file vfs_syscalls.c.

References namei(), NDFREE(), priv_check(), vcount(), and vput().

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int sys_rmdir	(	struct thread *	td,
		struct rmdir_args *	uap
	)

Definition at line 3877 of file vfs_syscalls.c.

References kern_rmdir(), and rmdir_args::path.

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int sys_stat	(	struct thread *	td,
		struct stat_args *	uap
	)

Definition at line 2360 of file vfs_syscalls.c.

int sys_statfs	(	struct thread *	td,
		struct statfs_args *	uap
	)

Definition at line 274 of file vfs_syscalls.c.

References kern_statfs().

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int sys_symlink	(	struct thread *	td,
		struct symlink_args *	uap
	)

Definition at line 1691 of file vfs_syscalls.c.

References kern_symlink().

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int sys_symlinkat	(	struct thread *	td,
		struct symlinkat_args *	uap
	)

Definition at line 1710 of file vfs_syscalls.c.

References symlinkat_args::fd, kern_symlinkat(), and symlinkat_args::path2.

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int sys_sync	(	struct thread *	td,
		struct sync_args *	uap
	)

Definition at line 128 of file vfs_syscalls.c.

References mountlist, mountlist_mtx, vfs_busy(), vfs_msync(), vfs_unbusy(), vn_finished_write(), and vn_start_write().

Referenced by kern_reboot().

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int sys_truncate	(	struct thread *	td,
		struct truncate_args *	uap
	)

Definition at line 3442 of file vfs_syscalls.c.

References kern_truncate().

Referenced by freebsd6_truncate().

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int sys_umask	(	struct thread *	td,
		struct umask_args *	uap
	)

Definition at line 4264 of file vfs_syscalls.c.

References umask_args::newmask.

int sys_undelete	(	struct thread *	td,
		struct undelete_args *	uap
	)

Definition at line 1798 of file vfs_syscalls.c.

References bwillwrite(), namei(), NDFREE(), vn_finished_write(), vn_start_write(), vput(), and vrele().

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int sys_unlink	(	struct thread *	td,
		struct unlink_args *	uap
	)

Definition at line 1854 of file vfs_syscalls.c.

References kern_unlink(), and unlink_args::path.

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int sys_unlinkat	(	struct thread *	td,
		struct unlinkat_args *	uap
	)

Definition at line 1872 of file vfs_syscalls.c.

References unlinkat_args::fd, fd, unlinkat_args::flag, flag, kern_rmdirat(), kern_unlinkat(), unlinkat_args::path, and path.

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int sys_utimes	(	struct thread *	td,
		struct utimes_args *	uap
	)

Definition at line 3281 of file vfs_syscalls.c.

References kern_utimes().

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SYSCTL_INT	(	_kern	,
		OID_AUTO	,
		chroot_allow_open_directories	,
		CTLFLAG_RW	,
		&	chroot_allow_open_directories,
		0	,
		""
	)

SYSCTL_INT	(	_security_bsd	,
		OID_AUTO	,
		hardlink_check_uid	,
		CTLFLAG_RW	,
		&	hardlink_check_uid,
		0	,
		"Unprivileged processes cannot create hard links to files owned by other ""users"
	)

SYSCTL_INT	(	_security_bsd	,
		OID_AUTO	,
		hardlink_check_gid	,
		CTLFLAG_RW	,
		&	hardlink_check_gid,
		0	,
		"Unprivileged processes cannot create hard links to files owned by other ""groups"
	)

static int vn_access ( struct vnode *  vp, int  user_flags, struct ucred *  cred, struct thread *  td  )

static

Definition at line 2115 of file vfs_syscalls.c.

References accmode, and vn_writechk().

Referenced by kern_accessat().

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Variable Documentation

int async_io_version

Definition at line 111 of file vfs_syscalls.c.

Referenced by aio_onceonly(), aio_unload(), kern_pathconf(), and sys_fpathconf().

struct stat* buf

Definition at line 2363 of file vfs_syscalls.c.

Referenced by kern_getdirentries(), kern_getfsstat(), and kern_readlinkat().

int chroot_allow_open_directories = 1

static

Definition at line 883 of file vfs_syscalls.c.

int dirfd

Definition at line 2156 of file vfs_syscalls.c.

int fd

Definition at line 2361 of file vfs_syscalls.c.

Referenced by chroot_refuse_vdir_fds(), and sys_unlinkat().

int flag

Definition at line 2159 of file vfs_syscalls.c.

Referenced by cache_enter_time(), dev_rel(), finit(), kern_kmq_setattr(), sys_fchownat(), sys_linkat(), sys_unlinkat(), vfs_domount_update(), and witness_setflag().

int hardlink_check_gid = 0

static

Definition at line 1577 of file vfs_syscalls.c.

int hardlink_check_uid = 0

Definition at line 1572 of file vfs_syscalls.c.

mode_t mode

Definition at line 2158 of file vfs_syscalls.c.

Referenced by acl_nfs4_sync_mode_from_acl(), acl_posix1e_mode_to_entry(), acl_posix1e_newfilemode(), acl_posix1e_perms_to_mode(), gz_open(), kern_statat_vnhook(), ksem_alloc(), make_dev_credv(), mqfs_create_node(), rangelock_enqueue(), shm_alloc(), sys_fchmodat(), sys_shmget(), tty_makedev(), and vn_stat().

char * path

Definition at line 2157 of file vfs_syscalls.c.

Referenced by kern_jail_set(), kern_kmq_open(), ksem_create(), ksem_insert(), linker_basename(), parse_dir_md(), shm_insert(), start_init(), sys_kmq_unlink(), sys_ksem_unlink(), sys_shm_open(), sys_shm_unlink(), and sys_unlinkat().

struct eaccess_args sys_faccessat

struct lchmod_args sys_fchmodat

struct lstat_args sys_fstatat