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| author | bde <bde@FreeBSD.org> | 1997-12-13 12:30:34 +0000 |
|---|---|---|
| committer | bde <bde@FreeBSD.org> | 1997-12-13 12:30:34 +0000 |
| commit | 6593562cbef9558494791dfc474556ed4f658041 (patch) | |
| tree | e0268ead71a423465c5c097b750dd3da2b77535f /sys/ufs | |
| parent | b1f57417ba98aa37c66d2590e22b8c523dfb98c6 (diff) | |
| download | FreeBSD-src-6593562cbef9558494791dfc474556ed4f658041.zip FreeBSD-src-6593562cbef9558494791dfc474556ed4f658041.tar.gz | |
Restored ufs_pathconf() from rev.1.61. vop_stdpathconf() is too
general to be of much use. Using it here broke the _PC_NAME_MAX,
_PC_NO_TRUNC and _PC_PATH_MAX cases, and weakened the _PC_MAX_CANON,
_PC_MAX_INPUT and _PC_VDISABLE cases.
Diffstat (limited to 'sys/ufs')
| -rw-r--r-- | sys/ufs/ufs/ufs_vnops.c | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/sys/ufs/ufs/ufs_vnops.c b/sys/ufs/ufs/ufs_vnops.c index 01ddd3f..a160af3 100644 --- a/sys/ufs/ufs/ufs_vnops.c +++ b/sys/ufs/ufs/ufs_vnops.c @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)ufs_vnops.c 8.27 (Berkeley) 5/27/95 - * $Id: ufs_vnops.c,v 1.69 1997/11/20 16:08:56 bde Exp $ + * $Id: ufs_vnops.c,v 1.70 1997/12/12 14:14:44 peter Exp $ */ #include "opt_quota.h" @@ -50,6 +50,7 @@ #include <sys/buf.h> #include <sys/proc.h> #include <sys/mount.h> +#include <sys/unistd.h> #include <sys/vnode.h> #include <sys/malloc.h> #include <sys/dirent.h> @@ -79,6 +80,7 @@ static int ufs_mkdir __P((struct vop_mkdir_args *)); static int ufs_mknod __P((struct vop_mknod_args *)); static int ufs_mmap __P((struct vop_mmap_args *)); static int ufs_open __P((struct vop_open_args *)); +static int ufs_pathconf __P((struct vop_pathconf_args *)); static int ufs_print __P((struct vop_print_args *)); static int ufs_readdir __P((struct vop_readdir_args *)); static int ufs_readlink __P((struct vop_readlink_args *)); @@ -1852,6 +1854,43 @@ ufsfifo_close(ap) } /* + * Return POSIX pathconf information applicable to ufs filesystems. + */ +int +ufs_pathconf(ap) + struct vop_pathconf_args /* { + struct vnode *a_vp; + int a_name; + int *a_retval; + } */ *ap; +{ + + switch (ap->a_name) { + case _PC_LINK_MAX: + *ap->a_retval = LINK_MAX; + return (0); + case _PC_NAME_MAX: + *ap->a_retval = NAME_MAX; + return (0); + case _PC_PATH_MAX: + *ap->a_retval = PATH_MAX; + return (0); + case _PC_PIPE_BUF: + *ap->a_retval = PIPE_BUF; + return (0); + case _PC_CHOWN_RESTRICTED: + *ap->a_retval = 1; + return (0); + case _PC_NO_TRUNC: + *ap->a_retval = 1; + return (0); + default: + return (EINVAL); + } + /* NOTREACHED */ +} + +/* * Advisory record locking support */ int @@ -2092,7 +2131,7 @@ static struct vnodeopv_entry_desc ufs_vnodeop_entries[] = { { &vop_mknod_desc, (vop_t *) ufs_mknod }, { &vop_mmap_desc, (vop_t *) ufs_mmap }, { &vop_open_desc, (vop_t *) ufs_open }, - { &vop_pathconf_desc, (vop_t *) vop_stdpathconf }, + { &vop_pathconf_desc, (vop_t *) ufs_pathconf }, { &vop_print_desc, (vop_t *) ufs_print }, { &vop_readdir_desc, (vop_t *) ufs_readdir }, { &vop_readlink_desc, (vop_t *) ufs_readlink }, |
