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authorAl Viro <viro@zeniv.linux.org.uk>2008-05-10 20:44:54 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2008-07-26 20:53:20 -0400
commit7f2da1e7d0330395e5e9e350b879b98a1ea495df (patch)
treeadc01ced45bb1de10fe58511e7143bbbd138a192
parent8bb79224b87aab92071e94d46e70bd160d89bf34 (diff)
[PATCH] kill altroot
long overdue... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat
-rw-r--r--fs/namei.c89
-rw-r--r--fs/namespace.c8
-rw-r--r--fs/open.c3
-rw-r--r--include/asm-alpha/namei.h17
-rw-r--r--include/asm-arm/namei.h25
-rw-r--r--include/asm-avr32/namei.h7
-rw-r--r--include/asm-blackfin/namei.h19
-rw-r--r--include/asm-cris/namei.h17
-rw-r--r--include/asm-frv/namei.h18
-rw-r--r--include/asm-h8300/namei.h17
-rw-r--r--include/asm-ia64/namei.h25
-rw-r--r--include/asm-m32r/namei.h17
-rw-r--r--include/asm-m68k/namei.h17
-rw-r--r--include/asm-m68knommu/namei.h1
-rw-r--r--include/asm-mips/namei.h11
-rw-r--r--include/asm-mn10300/namei.h22
-rw-r--r--include/asm-parisc/namei.h17
-rw-r--r--include/asm-powerpc/namei.h20
-rw-r--r--include/asm-s390/namei.h21
-rw-r--r--include/asm-sh/namei.h17
-rw-r--r--include/asm-sparc/namei.h8
-rw-r--r--include/asm-sparc64/namei.h1
-rw-r--r--include/asm-um/namei.h6
-rw-r--r--include/asm-v850/namei.h17
-rw-r--r--include/asm-x86/namei.h11
-rw-r--r--include/asm-xtensa/namei.h26
-rw-r--r--include/linux/fs_struct.h3
-rw-r--r--include/linux/namei.h1
-rw-r--r--kernel/exec_domain.c1
-rw-r--r--kernel/exit.c2
-rw-r--r--kernel/fork.c7
31 files changed, 5 insertions, 466 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 6c76e1ee9c45..095818089ac1 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -31,7 +31,6 @@
31#include <linux/file.h> 31#include <linux/file.h>
32#include <linux/fcntl.h> 32#include <linux/fcntl.h>
33#include <linux/device_cgroup.h> 33#include <linux/device_cgroup.h>
34#include <asm/namei.h>
35#include <asm/uaccess.h> 34#include <asm/uaccess.h>
36 35
37#define ACC_MODE(x) ("\000\004\002\006"[(x)&O_ACCMODE]) 36#define ACC_MODE(x) ("\000\004\002\006"[(x)&O_ACCMODE])
@@ -562,27 +561,16 @@ out_unlock:
562 return result; 561 return result;
563} 562}
564 563
565static int __emul_lookup_dentry(const char *, struct nameidata *);
566
567/* SMP-safe */ 564/* SMP-safe */
568static __always_inline int 565static __always_inline void
569walk_init_root(const char *name, struct nameidata *nd) 566walk_init_root(const char *name, struct nameidata *nd)
570{ 567{
571 struct fs_struct *fs = current->fs; 568 struct fs_struct *fs = current->fs;
572 569
573 read_lock(&fs->lock); 570 read_lock(&fs->lock);
574 if (fs->altroot.dentry && !(nd->flags & LOOKUP_NOALT)) {
575 nd->path = fs->altroot;
576 path_get(&fs->altroot);
577 read_unlock(&fs->lock);
578 if (__emul_lookup_dentry(name,nd))
579 return 0;
580 read_lock(&fs->lock);
581 }
582 nd->path = fs->root; 571 nd->path = fs->root;
583 path_get(&fs->root); 572 path_get(&fs->root);
584 read_unlock(&fs->lock); 573 read_unlock(&fs->lock);
585 return 1;
586} 574}
587 575
588/* 576/*
@@ -623,12 +611,9 @@ static __always_inline int __vfs_follow_link(struct nameidata *nd, const char *l
623 611
624 if (*link == '/') { 612 if (*link == '/') {
625 path_put(&nd->path); 613 path_put(&nd->path);
626 if (!walk_init_root(link, nd)) 614 walk_init_root(link, nd);
627 /* weird __emul_prefix() stuff did it */
628 goto out;
629 } 615 }
630 res = link_path_walk(link, nd); 616 res = link_path_walk(link, nd);
631out:
632 if (nd->depth || res || nd->last_type!=LAST_NORM) 617 if (nd->depth || res || nd->last_type!=LAST_NORM)
633 return res; 618 return res;
634 /* 619 /*
@@ -1077,67 +1062,6 @@ static int path_walk(const char *name, struct nameidata *nd)
1077 return link_path_walk(name, nd); 1062 return link_path_walk(name, nd);
1078} 1063}
1079 1064
1080/*
1081 * SMP-safe: Returns 1 and nd will have valid dentry and mnt, if
1082 * everything is done. Returns 0 and drops input nd, if lookup failed;
1083 */
1084static int __emul_lookup_dentry(const char *name, struct nameidata *nd)
1085{
1086 if (path_walk(name, nd))
1087 return 0; /* something went wrong... */
1088
1089 if (!nd->path.dentry->d_inode ||
1090 S_ISDIR(nd->path.dentry->d_inode->i_mode)) {
1091 struct path old_path = nd->path;
1092 struct qstr last = nd->last;
1093 int last_type = nd->last_type;
1094 struct fs_struct *fs = current->fs;
1095
1096 /*
1097 * NAME was not found in alternate root or it's a directory.
1098 * Try to find it in the normal root:
1099 */
1100 nd->last_type = LAST_ROOT;
1101 read_lock(&fs->lock);
1102 nd->path = fs->root;
1103 path_get(&fs->root);
1104 read_unlock(&fs->lock);
1105 if (path_walk(name, nd) == 0) {
1106 if (nd->path.dentry->d_inode) {
1107 path_put(&old_path);
1108 return 1;
1109 }
1110 path_put(&nd->path);
1111 }
1112 nd->path = old_path;
1113 nd->last = last;
1114 nd->last_type = last_type;
1115 }
1116 return 1;
1117}
1118
1119void set_fs_altroot(void)
1120{
1121 char *emul = __emul_prefix();
1122 struct nameidata nd;
1123 struct path path = {}, old_path;
1124 int err;
1125 struct fs_struct *fs = current->fs;
1126
1127 if (!emul)
1128 goto set_it;
1129 err = path_lookup(emul, LOOKUP_FOLLOW|LOOKUP_DIRECTORY|LOOKUP_NOALT, &nd);
1130 if (!err)
1131 path = nd.path;
1132set_it:
1133 write_lock(&fs->lock);
1134 old_path = fs->altroot;
1135 fs->altroot = path;
1136 write_unlock(&fs->lock);
1137 if (old_path.dentry)
1138 path_put(&old_path);
1139}
1140
1141/* Returns 0 and nd will be valid on success; Retuns error, otherwise. */ 1065/* Returns 0 and nd will be valid on success; Retuns error, otherwise. */
1142static int do_path_lookup(int dfd, const char *name, 1066static int do_path_lookup(int dfd, const char *name,
1143 unsigned int flags, struct nameidata *nd) 1067 unsigned int flags, struct nameidata *nd)
@@ -1153,14 +1077,6 @@ static int do_path_lookup(int dfd, const char *name,
1153 1077
1154 if (*name=='/') { 1078 if (*name=='/') {
1155 read_lock(&fs->lock); 1079 read_lock(&fs->lock);
1156 if (fs->altroot.dentry && !(nd->flags & LOOKUP_NOALT)) {
1157 nd->path = fs->altroot;
1158 path_get(&fs->altroot);
1159 read_unlock(&fs->lock);
1160 if (__emul_lookup_dentry(name,nd))
1161 goto out; /* found in altroot */
1162 read_lock(&fs->lock);
1163 }
1164 nd->path = fs->root; 1080 nd->path = fs->root;
1165 path_get(&fs->root); 1081 path_get(&fs->root);
1166 read_unlock(&fs->lock); 1082 read_unlock(&fs->lock);
@@ -1194,7 +1110,6 @@ static int do_path_lookup(int dfd, const char *name,
1194 } 1110 }
1195 1111
1196 retval = path_walk(name, nd); 1112 retval = path_walk(name, nd);
1197out:
1198 if (unlikely(!retval && !audit_dummy_context() && nd->path.dentry && 1113 if (unlikely(!retval && !audit_dummy_context() && nd->path.dentry &&
1199 nd->path.dentry->d_inode)) 1114 nd->path.dentry->d_inode))
1200 audit_inode(name, nd->path.dentry); 1115 audit_inode(name, nd->path.dentry);
diff --git a/fs/namespace.c b/fs/namespace.c
index f30b11e2240e..c4fcf48acef8 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1972,7 +1972,7 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns,
1972 struct fs_struct *fs) 1972 struct fs_struct *fs)
1973{ 1973{
1974 struct mnt_namespace *new_ns; 1974 struct mnt_namespace *new_ns;
1975 struct vfsmount *rootmnt = NULL, *pwdmnt = NULL, *altrootmnt = NULL; 1975 struct vfsmount *rootmnt = NULL, *pwdmnt = NULL;
1976 struct vfsmount *p, *q; 1976 struct vfsmount *p, *q;
1977 1977
1978 new_ns = kmalloc(sizeof(struct mnt_namespace), GFP_KERNEL); 1978 new_ns = kmalloc(sizeof(struct mnt_namespace), GFP_KERNEL);
@@ -2015,10 +2015,6 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns,
2015 pwdmnt = p; 2015 pwdmnt = p;
2016 fs->pwd.mnt = mntget(q); 2016 fs->pwd.mnt = mntget(q);
2017 } 2017 }
2018 if (p == fs->altroot.mnt) {
2019 altrootmnt = p;
2020 fs->altroot.mnt = mntget(q);
2021 }
2022 } 2018 }
2023 p = next_mnt(p, mnt_ns->root); 2019 p = next_mnt(p, mnt_ns->root);
2024 q = next_mnt(q, new_ns->root); 2020 q = next_mnt(q, new_ns->root);
@@ -2029,8 +2025,6 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns,
2029 mntput(rootmnt); 2025 mntput(rootmnt);
2030 if (pwdmnt) 2026 if (pwdmnt)
2031 mntput(pwdmnt); 2027 mntput(pwdmnt);
2032 if (altrootmnt)
2033 mntput(altrootmnt);
2034 2028
2035 return new_ns; 2029 return new_ns;
2036} 2030}
diff --git a/fs/open.c b/fs/open.c
index 8e02d42bfe44..d3a2a00f52dc 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -548,7 +548,7 @@ asmlinkage long sys_chroot(const char __user * filename)
548 struct nameidata nd; 548 struct nameidata nd;
549 int error; 549 int error;
550 550
551 error = __user_walk(filename, LOOKUP_FOLLOW | LOOKUP_DIRECTORY | LOOKUP_NOALT, &nd); 551 error = __user_walk(filename, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &nd);
552 if (error) 552 if (error)
553 goto out; 553 goto out;
554 554
@@ -561,7 +561,6 @@ asmlinkage long sys_chroot(const char __user * filename)
561 goto dput_and_out; 561 goto dput_and_out;
562 562
563 set_fs_root(current->fs, &nd.path); 563 set_fs_root(current->fs, &nd.path);
564 set_fs_altroot();
565 error = 0; 564 error = 0;
566dput_and_out: 565dput_and_out:
567 path_put(&nd.path); 566 path_put(&nd.path);
diff --git a/include/asm-alpha/namei.h b/include/asm-alpha/namei.h
deleted file mode 100644
index 5cc9bb39499d..000000000000
--- a/include/asm-alpha/namei.h
+++ /dev/null
@@ -1,17 +0,0 @@
1/* $Id: namei.h,v 1.1 1996/12/13 14:48:21 jj Exp $
2 * linux/include/asm-alpha/namei.h
3 *
4 * Included from linux/fs/namei.c
5 */
6
7#ifndef __ALPHA_NAMEI_H
8#define __ALPHA_NAMEI_H
9
10/* This dummy routine maybe changed to something useful
11 * for /usr/gnemul/ emulation stuff.
12 * Look at asm-sparc/namei.h for details.
13 */
14
15#define __emul_prefix() NULL
16
17#endif /* __ALPHA_NAMEI_H */
diff --git a/include/asm-arm/namei.h b/include/asm-arm/namei.h
deleted file mode 100644
index a402d3b9d0f7..000000000000
--- a/include/asm-arm/namei.h
+++ /dev/null
@@ -1,25 +0,0 @@
1/*
2 * linux/include/asm-arm/namei.h
3 *
4 * Routines to handle famous /usr/gnemul
5 * Derived from the Sparc version of this file
6 *
7 * Included from linux/fs/namei.c
8 */
9
10#ifndef __ASMARM_NAMEI_H
11#define __ASMARM_NAMEI_H
12
13#define ARM_BSD_EMUL "usr/gnemul/bsd/"
14
15static inline char *__emul_prefix(void)
16{
17 switch (current->personality) {
18 case PER_BSD:
19 return ARM_BSD_EMUL;
20 default:
21 return NULL;
22 }
23}
24
25#endif /* __ASMARM_NAMEI_H */
diff --git a/include/asm-avr32/namei.h b/include/asm-avr32/namei.h
deleted file mode 100644
index f0a26de06cab..000000000000
--- a/include/asm-avr32/namei.h
+++ /dev/null
@@ -1,7 +0,0 @@
1#ifndef __ASM_AVR32_NAMEI_H
2#define __ASM_AVR32_NAMEI_H
3
4/* This dummy routine may be changed to something useful */
5#define __emul_prefix() NULL
6
7#endif /* __ASM_AVR32_NAMEI_H */
diff --git a/include/asm-blackfin/namei.h b/include/asm-blackfin/namei.h
deleted file mode 100644
index 8b89a2d65cb4..000000000000
--- a/include/asm-blackfin/namei.h
+++ /dev/null
@@ -1,19 +0,0 @@
1/*
2 * linux/include/asm/namei.h
3 *
4 * Included from linux/fs/namei.c
5 *
6 * Changes made by Lineo Inc. May 2001
7 */
8
9#ifndef __BFIN_NAMEI_H
10#define __BFIN_NAMEI_H
11
12/* This dummy routine maybe changed to something useful
13 * for /usr/gnemul/ emulation stuff.
14 * Look at asm-sparc/namei.h for details.
15 */
16
17#define __emul_prefix() NULL
18
19#endif
diff --git a/include/asm-cris/namei.h b/include/asm-cris/namei.h
deleted file mode 100644
index 8a3be7a6d9f6..000000000000
--- a/include/asm-cris/namei.h
+++ /dev/null
@@ -1,17 +0,0 @@
1/* $Id: namei.h,v 1.1 2000/07/10 16:32:31 bjornw Exp $
2 * linux/include/asm-cris/namei.h
3 *
4 * Included from linux/fs/namei.c
5 */
6
7#ifndef __CRIS_NAMEI_H
8#define __CRIS_NAMEI_H
9
10/* used to find file-system prefixes for doing emulations
11 * see for example asm-sparc/namei.h
12 * we don't use it...
13 */
14
15#define __emul_prefix() NULL
16
17#endif /* __CRIS_NAMEI_H */
diff --git a/include/asm-frv/namei.h b/include/asm-frv/namei.h
deleted file mode 100644
index 4ea57171d951..000000000000
--- a/include/asm-frv/namei.h
+++ /dev/null
@@ -1,18 +0,0 @@
1/*
2 * include/asm-frv/namei.h
3 *
4 * Included from linux/fs/namei.c
5 */
6
7#ifndef __ASM_NAMEI_H
8#define __ASM_NAMEI_H
9
10/* This dummy routine maybe changed to something useful
11 * for /usr/gnemul/ emulation stuff.
12 * Look at asm-sparc/namei.h for details.
13 */
14
15#define __emul_prefix() NULL
16
17#endif
18
diff --git a/include/asm-h8300/namei.h b/include/asm-h8300/namei.h
deleted file mode 100644
index ab6f196db6e0..000000000000
--- a/include/asm-h8300/namei.h
+++ /dev/null
@@ -1,17 +0,0 @@
1/*
2 * linux/include/asm-h8300/namei.h
3 *
4 * Included from linux/fs/namei.c
5 */
6
7#ifndef __H8300_NAMEI_H
8#define __H8300_NAMEI_H
9
10/* This dummy routine maybe changed to something useful
11 * for /usr/gnemul/ emulation stuff.
12 * Look at asm-sparc/namei.h for details.
13 */
14
15#define __emul_prefix() NULL
16
17#endif
diff --git a/include/asm-ia64/namei.h b/include/asm-ia64/namei.h
deleted file mode 100644
index 78e768079083..000000000000
--- a/include/asm-ia64/namei.h
+++ /dev/null
@@ -1,25 +0,0 @@
1#ifndef _ASM_IA64_NAMEI_H
2#define _ASM_IA64_NAMEI_H
3
4/*
5 * Modified 1998, 1999, 2001
6 * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
7 */
8
9#include <asm/ptrace.h>
10#include <asm/system.h>
11
12#define EMUL_PREFIX_LINUX_IA32 "/emul/ia32-linux/"
13
14static inline char *
15__emul_prefix (void)
16{
17 switch (current->personality) {
18 case PER_LINUX32:
19 return EMUL_PREFIX_LINUX_IA32;
20 default:
21 return NULL;
22 }
23}
24
25#endif /* _ASM_IA64_NAMEI_H */
diff --git a/include/asm-m32r/namei.h b/include/asm-m32r/namei.h
deleted file mode 100644
index 210f8056b805..000000000000
--- a/include/asm-m32r/namei.h
+++ /dev/null
@@ -1,17 +0,0 @@
1#ifndef _ASM_M32R_NAMEI_H
2#define _ASM_M32R_NAMEI_H
3
4/*
5 * linux/include/asm-m32r/namei.h
6 *
7 * Included from linux/fs/namei.c
8 */
9
10/* This dummy routine maybe changed to something useful
11 * for /usr/gnemul/ emulation stuff.
12 * Look at asm-sparc/namei.h for details.
13 */
14
15#define __emul_prefix() NULL
16
17#endif /* _ASM_M32R_NAMEI_H */
diff --git a/include/asm-m68k/namei.h b/include/asm-m68k/namei.h
deleted file mode 100644
index f33f243b644a..000000000000
--- a/include/asm-m68k/namei.h
+++ /dev/null
@@ -1,17 +0,0 @@
1/*
2 * linux/include/asm-m68k/namei.h
3 *
4 * Included from linux/fs/namei.c
5 */
6
7#ifndef __M68K_NAMEI_H
8#define __M68K_NAMEI_H
9
10/* This dummy routine maybe changed to something useful
11 * for /usr/gnemul/ emulation stuff.
12 * Look at asm-sparc/namei.h for details.
13 */
14
15#define __emul_prefix() NULL
16
17#endif
diff --git a/include/asm-m68knommu/namei.h b/include/asm-m68knommu/namei.h
deleted file mode 100644
index 31a85d27b931..000000000000
--- a/include/asm-m68knommu/namei.h
+++ /dev/null
@@ -1 +0,0 @@
1#include <asm-m68k/namei.h>
diff --git a/include/asm-mips/namei.h b/include/asm-mips/namei.h
deleted file mode 100644
index a6605a752469..000000000000
--- a/include/asm-mips/namei.h
+++ /dev/null
@@ -1,11 +0,0 @@
1#ifndef _ASM_NAMEI_H
2#define _ASM_NAMEI_H
3
4/*
5 * This dummy routine maybe changed to something useful
6 * for /usr/gnemul/ emulation stuff.
7 */
8
9#define __emul_prefix() NULL
10
11#endif /* _ASM_NAMEI_H */
diff --git a/include/asm-mn10300/namei.h b/include/asm-mn10300/namei.h
deleted file mode 100644
index bd9ce94aeb65..000000000000
--- a/include/asm-mn10300/namei.h
+++ /dev/null
@@ -1,22 +0,0 @@
1/* Emulation stuff
2 *
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11
12#ifndef _ASM_NAMEI_H
13#define _ASM_NAMEI_H
14
15/* This dummy routine maybe changed to something useful
16 * for /usr/gnemul/ emulation stuff.
17 * Look at asm-sparc/namei.h for details.
18 */
19
20#define __emul_prefix() NULL
21
22#endif /* _ASM_NAMEI_H */
diff --git a/include/asm-parisc/namei.h b/include/asm-parisc/namei.h
deleted file mode 100644
index 8d29b3d9fb33..000000000000
--- a/include/asm-parisc/namei.h
+++ /dev/null
@@ -1,17 +0,0 @@
1/* $Id: namei.h,v 1.1 1996/12/13 14:48:21 jj Exp $
2 * linux/include/asm-parisc/namei.h
3 *
4 * Included from linux/fs/namei.c
5 */
6
7#ifndef __PARISC_NAMEI_H
8#define __PARISC_NAMEI_H
9
10/* This dummy routine maybe changed to something useful
11 * for /usr/gnemul/ emulation stuff.
12 * Look at asm-sparc/namei.h for details.
13 */
14
15#define __emul_prefix() NULL
16
17#endif /* __PARISC_NAMEI_H */
diff --git a/include/asm-powerpc/namei.h b/include/asm-powerpc/namei.h
deleted file mode 100644
index 657443474a6a..000000000000
--- a/include/asm-powerpc/namei.h
+++ /dev/null
@@ -1,20 +0,0 @@
1#ifndef _ASM_POWERPC_NAMEI_H
2#define _ASM_POWERPC_NAMEI_H
3
4#ifdef __KERNEL__
5
6/*
7 * Adapted from include/asm-alpha/namei.h
8 *
9 * Included from fs/namei.c
10 */
11
12/* This dummy routine maybe changed to something useful
13 * for /usr/gnemul/ emulation stuff.
14 * Look at asm-sparc/namei.h for details.
15 */
16
17#define __emul_prefix() NULL
18
19#endif /* __KERNEL__ */
20#endif /* _ASM_POWERPC_NAMEI_H */
diff --git a/include/asm-s390/namei.h b/include/asm-s390/namei.h
deleted file mode 100644
index 3e286bdde4b0..000000000000
--- a/include/asm-s390/namei.h
+++ /dev/null
@@ -1,21 +0,0 @@
1/*
2 * include/asm-s390/namei.h
3 *
4 * S390 version
5 *
6 * Derived from "include/asm-i386/namei.h"
7 *
8 * Included from linux/fs/namei.c
9 */
10
11#ifndef __S390_NAMEI_H
12#define __S390_NAMEI_H
13
14/* This dummy routine maybe changed to something useful
15 * for /usr/gnemul/ emulation stuff.
16 * Look at asm-sparc/namei.h for details.
17 */
18
19#define __emul_prefix() NULL
20
21#endif /* __S390_NAMEI_H */
diff --git a/include/asm-sh/namei.h b/include/asm-sh/namei.h
deleted file mode 100644
index 338a5d947143..000000000000
--- a/include/asm-sh/namei.h
+++ /dev/null
@@ -1,17 +0,0 @@
1/* $Id: namei.h,v 1.3 2000/07/04 06:24:49 gniibe Exp $
2 * linux/include/asm-sh/namei.h
3 *
4 * Included from linux/fs/namei.c
5 */
6
7#ifndef __ASM_SH_NAMEI_H
8#define __ASM_SH_NAMEI_H
9
10/* This dummy routine maybe changed to something useful
11 * for /usr/gnemul/ emulation stuff.
12 * Look at asm-sparc/namei.h for details.
13 */
14
15#define __emul_prefix() NULL
16
17#endif /* __ASM_SH_NAMEI_H */
diff --git a/include/asm-sparc/namei.h b/include/asm-sparc/namei.h
deleted file mode 100644
index eff944b8e321..000000000000
--- a/include/asm-sparc/namei.h
+++ /dev/null
@@ -1,8 +0,0 @@
1#ifndef ___ASM_SPARC_NAMEI_H
2#define ___ASM_SPARC_NAMEI_H
3#if defined(__sparc__) && defined(__arch64__)
4#include <asm-sparc/namei_64.h>
5#else
6#include <asm-sparc/namei_32.h>
7#endif
8#endif
diff --git a/include/asm-sparc64/namei.h b/include/asm-sparc64/namei.h
deleted file mode 100644
index 1344a910ba2f..000000000000
--- a/include/asm-sparc64/namei.h
+++ /dev/null
@@ -1 +0,0 @@
1#include <asm-sparc/namei.h>
diff --git a/include/asm-um/namei.h b/include/asm-um/namei.h
deleted file mode 100644
index 002984d5bc85..000000000000
--- a/include/asm-um/namei.h
+++ /dev/null
@@ -1,6 +0,0 @@
1#ifndef __UM_NAMEI_H
2#define __UM_NAMEI_H
3
4#include "asm/arch/namei.h"
5
6#endif
diff --git a/include/asm-v850/namei.h b/include/asm-v850/namei.h
deleted file mode 100644
index ee8339b23843..000000000000
--- a/include/asm-v850/namei.h
+++ /dev/null
@@ -1,17 +0,0 @@
1/*
2 * linux/include/asm-v850/namei.h
3 *
4 * Included from linux/fs/namei.c
5 */
6
7#ifndef __V850_NAMEI_H__
8#define __V850_NAMEI_H__
9
10/* This dummy routine maybe changed to something useful
11 * for /usr/gnemul/ emulation stuff.
12 * Look at asm-sparc/namei.h for details.
13 */
14
15#define __emul_prefix() NULL
16
17#endif /* __V850_NAMEI_H__ */
diff --git a/include/asm-x86/namei.h b/include/asm-x86/namei.h
deleted file mode 100644
index 415ef5d9550e..000000000000
--- a/include/asm-x86/namei.h
+++ /dev/null
@@ -1,11 +0,0 @@
1#ifndef _ASM_X86_NAMEI_H
2#define _ASM_X86_NAMEI_H
3
4/* This dummy routine maybe changed to something useful
5 * for /usr/gnemul/ emulation stuff.
6 * Look at asm-sparc/namei.h for details.
7 */
8
9#define __emul_prefix() NULL
10
11#endif /* _ASM_X86_NAMEI_H */
diff --git a/include/asm-xtensa/namei.h b/include/asm-xtensa/namei.h
deleted file mode 100644
index 3fdff039d27d..000000000000
--- a/include/asm-xtensa/namei.h
+++ /dev/null
@@ -1,26 +0,0 @@
1/*
2 * include/asm-xtensa/namei.h
3 *
4 * Included from linux/fs/namei.c
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.
9 *
10 * Copyright (C) 2001 - 2005 Tensilica Inc.
11 */
12
13#ifndef _XTENSA_NAMEI_H
14#define _XTENSA_NAMEI_H
15
16#ifdef __KERNEL__
17
18/* This dummy routine maybe changed to something useful
19 * for /usr/gnemul/ emulation stuff.
20 * Look at asm-sparc/namei.h for details.
21 */
22
23#define __emul_prefix() NULL
24
25#endif /* __KERNEL__ */
26#endif /* _XTENSA_NAMEI_H */
diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
index 282f54219129..9e5a06e78d02 100644
--- a/include/linux/fs_struct.h
+++ b/include/linux/fs_struct.h
@@ -7,7 +7,7 @@ struct fs_struct {
7 atomic_t count; 7 atomic_t count;
8 rwlock_t lock; 8 rwlock_t lock;
9 int umask; 9 int umask;
10 struct path root, pwd, altroot; 10 struct path root, pwd;
11}; 11};
12 12
13#define INIT_FS { \ 13#define INIT_FS { \
@@ -19,7 +19,6 @@ struct fs_struct {
19extern struct kmem_cache *fs_cachep; 19extern struct kmem_cache *fs_cachep;
20 20
21extern void exit_fs(struct task_struct *); 21extern void exit_fs(struct task_struct *);
22extern void set_fs_altroot(void);
23extern void set_fs_root(struct fs_struct *, struct path *); 22extern void set_fs_root(struct fs_struct *, struct path *);
24extern void set_fs_pwd(struct fs_struct *, struct path *); 23extern void set_fs_pwd(struct fs_struct *, struct path *);
25extern struct fs_struct *copy_fs_struct(struct fs_struct *); 24extern struct fs_struct *copy_fs_struct(struct fs_struct *);
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 3cf62d26d493..768773d57857 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -47,7 +47,6 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND};
47#define LOOKUP_DIRECTORY 2 47#define LOOKUP_DIRECTORY 2
48#define LOOKUP_CONTINUE 4 48#define LOOKUP_CONTINUE 4
49#define LOOKUP_PARENT 16 49#define LOOKUP_PARENT 16
50#define LOOKUP_NOALT 32
51#define LOOKUP_REVAL 64 50#define LOOKUP_REVAL 64
52/* 51/*
53 * Intent data 52 * Intent data
diff --git a/kernel/exec_domain.c b/kernel/exec_domain.c
index c1ef192aa655..0d407e886735 100644
--- a/kernel/exec_domain.c
+++ b/kernel/exec_domain.c
@@ -168,7 +168,6 @@ __set_personality(u_long personality)
168 current->personality = personality; 168 current->personality = personality;
169 oep = current_thread_info()->exec_domain; 169 oep = current_thread_info()->exec_domain;
170 current_thread_info()->exec_domain = ep; 170 current_thread_info()->exec_domain = ep;
171 set_fs_altroot();
172 171
173 module_put(oep->module); 172 module_put(oep->module);
174 return 0; 173 return 0;
diff --git a/kernel/exit.c b/kernel/exit.c
index 6cdf60712bd2..0caf590548a0 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -565,8 +565,6 @@ void put_fs_struct(struct fs_struct *fs)
565 if (atomic_dec_and_test(&fs->count)) { 565 if (atomic_dec_and_test(&fs->count)) {
566 path_put(&fs->root); 566 path_put(&fs->root);
567 path_put(&fs->pwd); 567 path_put(&fs->pwd);
568 if (fs->altroot.dentry)
569 path_put(&fs->altroot);
570 kmem_cache_free(fs_cachep, fs); 568 kmem_cache_free(fs_cachep, fs);
571 } 569 }
572} 570}
diff --git a/kernel/fork.c b/kernel/fork.c
index abb3ed6298f6..5e050c1317c4 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -657,13 +657,6 @@ static struct fs_struct *__copy_fs_struct(struct fs_struct *old)
657 path_get(&old->root); 657 path_get(&old->root);
658 fs->pwd = old->pwd; 658 fs->pwd = old->pwd;
659 path_get(&old->pwd); 659 path_get(&old->pwd);
660 if (old->altroot.dentry) {
661 fs->altroot = old->altroot;
662 path_get(&old->altroot);
663 } else {
664 fs->altroot.mnt = NULL;
665 fs->altroot.dentry = NULL;
666 }
667 read_unlock(&old->lock); 660 read_unlock(&old->lock);
668 } 661 }
669 return fs; 662 return fs;
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-23 13:57:19 -0500