fs/dcache.c | 19 ++
- fs/exec.c | 15 +-
- fs/namei.c | 355 +++++++++++++++++++++++++++++++++++++++++--------
- fs/namespace.c | 30 +++-
- fs/open.c | 122 ++++++++++++++--
- fs/proc/base.c | 3
- fs/stat.c | 27 ++-
- include/linux/dcache.h | 54 +++++++
- include/linux/fs.h | 31 ++++
+ fs/exec.c | 18 +-
+ fs/namei.c | 322 +++++++++++++++++++++++++++++++++++++++++--------
+ fs/namespace.c | 28 +++-
+ fs/open.c | 167 ++++++++++++++++++-------
+ fs/stat.c | 27 ++--
+ include/linux/dcache.h | 60 +++++++++
+ include/linux/fs.h | 34 ++++-
kernel/exit.c | 3
kernel/fork.c | 3
kernel/ksyms.c | 1
- 12 files changed, 564 insertions(+), 99 deletions(-)
+ 11 files changed, 556 insertions(+), 126 deletions(-)
-Index: linux-2.4.18-chaos52/fs/exec.c
-===================================================================
---- linux-2.4.18-chaos52.orig/fs/exec.c 2003-08-11 10:10:12.000000000 +0800
-+++ linux-2.4.18-chaos52/fs/exec.c 2003-08-11 10:17:04.000000000 +0800
-@@ -117,8 +117,10 @@
+--- linux-2.4.18-chaos/fs/exec.c~vfs_intent-2.4.18-18-chaos65 2003-07-28 17:52:03.000000000 +0400
++++ linux-2.4.18-chaos-alexey/fs/exec.c 2003-09-11 20:01:36.000000000 +0400
+@@ -117,8 +117,10 @@ asmlinkage long sys_uselib(const char *
struct file * file;
struct nameidata nd;
int error;
if (error)
goto out;
-@@ -130,7 +132,8 @@
+@@ -130,7 +132,8 @@ asmlinkage long sys_uselib(const char *
if (error)
goto exit;
error = PTR_ERR(file);
if (IS_ERR(file))
goto out;
-@@ -359,8 +362,9 @@
+@@ -359,8 +362,9 @@ struct file *open_exec(const char *name)
struct inode *inode;
struct file *file;
int err = 0;
file = ERR_PTR(err);
if (!err) {
inode = nd.dentry->d_inode;
-@@ -372,7 +376,8 @@
+@@ -372,7 +376,8 @@ struct file *open_exec(const char *name)
err = -EACCES;
file = ERR_PTR(err);
if (!err) {
if (!IS_ERR(file)) {
err = deny_write_access(file);
if (err) {
-@@ -384,6 +389,7 @@
+@@ -384,6 +389,7 @@ out:
return file;
}
}
path_release(&nd);
}
goto out;
-@@ -1104,7 +1110,7 @@
+@@ -1104,7 +1110,7 @@ int do_coredump(long signr, struct pt_re
goto close_fail;
if (!file->f_op->write)
goto close_fail;
goto close_fail;
retval = binfmt->core_dump(signr, regs, file);
-Index: linux-2.4.18-chaos52/fs/dcache.c
-===================================================================
---- linux-2.4.18-chaos52.orig/fs/dcache.c 2003-08-11 10:10:12.000000000 +0800
-+++ linux-2.4.18-chaos52/fs/dcache.c 2003-08-11 10:11:27.000000000 +0800
-@@ -186,6 +186,13 @@
+--- linux-2.4.18-chaos/fs/dcache.c~vfs_intent-2.4.18-18-chaos65 2003-07-28 17:52:03.000000000 +0400
++++ linux-2.4.18-chaos-alexey/fs/dcache.c 2003-09-11 20:01:36.000000000 +0400
+@@ -186,6 +186,13 @@ int d_invalidate(struct dentry * dentry)
spin_unlock(&dcache_lock);
return 0;
}
/*
* Check whether to do a partial shrink_dcache
* to get rid of unused child entries.
-@@ -859,13 +866,19 @@
+@@ -859,13 +866,19 @@ void d_delete(struct dentry * dentry)
* Adds a dentry to the hash according to its name.
*/
}
#define do_switch(x,y) do { \
-Index: linux-2.4.18-chaos52/fs/namespace.c
-===================================================================
---- linux-2.4.18-chaos52.orig/fs/namespace.c 2003-08-11 10:10:12.000000000 +0800
-+++ linux-2.4.18-chaos52/fs/namespace.c 2003-08-11 10:11:27.000000000 +0800
-@@ -99,6 +99,7 @@
+--- linux-2.4.18-chaos/fs/namespace.c~vfs_intent-2.4.18-18-chaos65 2003-07-28 17:52:05.000000000 +0400
++++ linux-2.4.18-chaos-alexey/fs/namespace.c 2003-09-11 20:01:36.000000000 +0400
+@@ -99,6 +99,7 @@ static void detach_mnt(struct vfsmount *
{
old_nd->dentry = mnt->mnt_mountpoint;
old_nd->mnt = mnt->mnt_parent;
mnt->mnt_parent = mnt;
mnt->mnt_mountpoint = mnt->mnt_root;
list_del_init(&mnt->mnt_child);
-@@ -110,6 +111,7 @@
+@@ -110,6 +111,7 @@ static void attach_mnt(struct vfsmount *
{
mnt->mnt_parent = mntget(nd->mnt);
mnt->mnt_mountpoint = dget(nd->dentry);
list_add(&mnt->mnt_hash, mount_hashtable+hash(nd->mnt, nd->dentry));
list_add(&mnt->mnt_child, &nd->mnt->mnt_mounts);
nd->dentry->d_mounted++;
-@@ -485,14 +487,17 @@
+@@ -485,14 +487,17 @@ static int do_loopback(struct nameidata
{
struct nameidata old_nd;
struct vfsmount *mnt = NULL;
down_write(¤t->namespace->sem);
err = -EINVAL;
-@@ -515,6 +520,7 @@
+@@ -515,6 +520,7 @@ static int do_loopback(struct nameidata
}
up_write(¤t->namespace->sem);
path_release(&old_nd);
return err;
}
-@@ -698,6 +704,7 @@
+@@ -698,6 +704,7 @@ long do_mount(char * dev_name, char * di
unsigned long flags, void *data_page)
{
struct nameidata nd;
int retval = 0;
int mnt_flags = 0;
-@@ -722,10 +729,11 @@
+@@ -722,10 +729,11 @@ long do_mount(char * dev_name, char * di
flags &= ~(MS_NOSUID|MS_NOEXEC|MS_NODEV);
/* ... and get the mountpoint */
if (flags & MS_REMOUNT)
retval = do_remount(&nd, flags & ~MS_REMOUNT, mnt_flags,
data_page);
-@@ -736,6 +744,8 @@
+@@ -736,6 +744,8 @@ long do_mount(char * dev_name, char * di
else
retval = do_add_mount(&nd, type_page, flags, mnt_flags,
dev_name, data_page);
path_release(&nd);
return retval;
}
-@@ -901,6 +911,8 @@
+@@ -901,6 +911,8 @@ asmlinkage long sys_pivot_root(const cha
{
struct vfsmount *tmp;
struct nameidata new_nd, old_nd, parent_nd, root_parent, user_nd;
int error;
if (!capable(CAP_SYS_ADMIN))
-@@ -908,14 +920,14 @@
+@@ -908,14 +920,14 @@ asmlinkage long sys_pivot_root(const cha
lock_kernel();
if (error)
goto out1;
-@@ -970,8 +982,10 @@
+@@ -970,8 +982,10 @@ out2:
up(&old_nd.dentry->d_inode->i_zombie);
up_write(¤t->namespace->sem);
path_release(&user_nd);
path_release(&new_nd);
out0:
unlock_kernel();
-Index: linux-2.4.18-chaos52/fs/namei.c
-===================================================================
---- linux-2.4.18-chaos52.orig/fs/namei.c 2003-08-11 10:10:12.000000000 +0800
-+++ linux-2.4.18-chaos52/fs/namei.c 2003-08-11 10:11:27.000000000 +0800
+--- linux-2.4.18-chaos/fs/namei.c~vfs_intent-2.4.18-18-chaos65 2003-07-28 17:52:05.000000000 +0400
++++ linux-2.4.18-chaos-alexey/fs/namei.c 2003-09-11 20:01:36.000000000 +0400
@@ -94,6 +94,13 @@
* XEmacs seems to be relying on it...
*/
/* In order to reduce some races, while at the same time doing additional
* checking and hopefully speeding things up, we copy filenames to the
* kernel data space before using them..
-@@ -260,10 +267,19 @@
+@@ -260,10 +267,19 @@ void path_release(struct nameidata *nd)
* Internal lookup() using the new generic dcache.
* SMP-safe
*/
if (dentry && dentry->d_op && dentry->d_op->d_revalidate) {
if (!dentry->d_op->d_revalidate(dentry, flags) && !d_invalidate(dentry)) {
dput(dentry);
-@@ -281,11 +297,14 @@
+@@ -281,11 +297,14 @@ static struct dentry * cached_lookup(str
* make sure that nobody added the entry to the dcache in the meantime..
* SMP-safe
*/
down(&dir->i_sem);
/*
* First re-do the cached lookup just in case it was created
-@@ -300,6 +319,9 @@
+@@ -300,6 +319,9 @@ static struct dentry * real_lookup(struc
result = ERR_PTR(-ENOMEM);
if (dentry) {
lock_kernel();
result = dir->i_op->lookup(dir, dentry);
unlock_kernel();
if (result)
-@@ -321,6 +343,12 @@
+@@ -321,6 +343,12 @@ static struct dentry * real_lookup(struc
dput(result);
result = ERR_PTR(-ENOENT);
}
}
return result;
}
-@@ -334,7 +362,8 @@
+@@ -334,7 +362,8 @@ int max_recursive_link = 5;
* Without that kind of total limit, nasty chains of consecutive
* symlinks can cause almost arbitrarily long lookups.
*/
{
int err;
if (current->link_count >= max_recursive_link)
-@@ -348,10 +377,12 @@
+@@ -348,10 +377,12 @@ static inline int do_follow_link(struct
current->link_count++;
current->total_link_count++;
UPDATE_ATIME(dentry->d_inode);
-- err = dentry->d_inode->i_op->follow_link(dentry, nd);
+ nd->intent = it;
-+ err = dentry->d_inode->i_op->follow_link(dentry, nd);
+ err = dentry->d_inode->i_op->follow_link(dentry, nd);
current->link_count--;
return err;
loop:
path_release(nd);
return -ELOOP;
}
-@@ -381,7 +412,8 @@
+@@ -381,7 +412,8 @@ int follow_up(struct vfsmount **mnt, str
return __follow_up(mnt, dentry);
}
{
struct vfsmount *mounted;
-@@ -401,7 +433,7 @@
+@@ -401,7 +433,7 @@ static inline int __follow_down(struct v
int follow_down(struct vfsmount **mnt, struct dentry **dentry)
{
}
static inline void follow_dotdot(struct nameidata *nd)
-@@ -437,7 +469,7 @@
+@@ -437,7 +469,7 @@ static inline void follow_dotdot(struct
mntput(nd->mnt);
nd->mnt = parent;
}
;
}
-@@ -449,7 +481,8 @@
+@@ -449,7 +481,8 @@ static inline void follow_dotdot(struct
*
* We expect 'base' to be positive and a directory.
*/
{
struct dentry *dentry;
struct inode *inode;
-@@ -526,18 +559,18 @@
+@@ -526,18 +559,18 @@ int link_path_walk(const char * name, st
break;
}
/* This does the actual lookups.. */
;
err = -ENOENT;
-@@ -548,8 +581,8 @@
+@@ -548,8 +581,8 @@ int link_path_walk(const char * name, st
if (!inode->i_op)
goto out_dput;
dput(dentry);
if (err)
goto return_err;
-@@ -565,7 +598,7 @@
+@@ -565,7 +598,7 @@ int link_path_walk(const char * name, st
nd->dentry = dentry;
}
err = -ENOTDIR;
break;
continue;
/* here ends the main loop */
-@@ -592,22 +625,23 @@
+@@ -592,22 +625,23 @@ last_component:
if (err < 0)
break;
}
dput(dentry);
if (err)
goto return_err;
-@@ -621,7 +655,8 @@
+@@ -621,7 +655,8 @@ last_component:
goto no_inode;
if (lookup_flags & LOOKUP_DIRECTORY) {
err = -ENOTDIR;
break;
}
goto return_base;
-@@ -645,7 +680,24 @@
+@@ -645,7 +680,24 @@ return_reval:
* Check the cached dentry for staleness.
*/
dentry = nd->dentry;
err = -ESTALE;
if (!dentry->d_op->d_revalidate(dentry, 0)) {
d_invalidate(dentry);
-@@ -658,15 +710,28 @@
+@@ -658,15 +710,28 @@ out_dput:
dput(dentry);
break;
}
}
/* SMP-safe */
-@@ -751,6 +816,17 @@
+@@ -751,6 +816,17 @@ walk_init_root(const char *name, struct
}
/* SMP-safe */
int path_lookup(const char *path, unsigned flags, struct nameidata *nd)
{
int error = 0;
-@@ -765,6 +841,7 @@
+@@ -765,6 +841,7 @@ int path_init(const char *name, unsigned
{
nd->last_type = LAST_ROOT; /* if there are only slashes... */
nd->flags = flags;
if (*name=='/')
return walk_init_root(name,nd);
read_lock(¤t->fs->lock);
-@@ -779,7 +856,8 @@
+@@ -779,7 +856,8 @@ int path_init(const char *name, unsigned
* needs parent already locked. Doesn't follow mounts.
* SMP-safe.
*/
{
struct dentry * dentry;
struct inode *inode;
-@@ -802,13 +880,16 @@
+@@ -802,13 +880,16 @@ struct dentry * lookup_hash(struct qstr
goto out;
}
dentry = inode->i_op->lookup(inode, new);
unlock_kernel();
if (!dentry)
-@@ -820,6 +901,12 @@
+@@ -820,6 +901,12 @@ out:
return dentry;
}
/* SMP-safe */
struct dentry * lookup_one_len(const char * name, struct dentry * base, int len)
{
-@@ -841,7 +928,7 @@
+@@ -841,7 +928,7 @@ struct dentry * lookup_one_len(const cha
}
this.hash = end_name_hash(hash);
access:
return ERR_PTR(-EACCES);
}
-@@ -872,6 +959,23 @@
+@@ -872,6 +959,23 @@ int __user_walk(const char *name, unsign
return err;
}
/*
* It's inline, so penalty for filesystems that don't use sticky bit is
* minimal.
-@@ -969,6 +1073,37 @@
+@@ -969,6 +1073,37 @@ static inline int lookup_flags(unsigned
return retval;
}
int vfs_create(struct inode *dir, struct dentry *dentry, int mode)
{
int error;
-@@ -1045,14 +1180,17 @@
+@@ -1045,14 +1180,17 @@ int may_open(struct nameidata *nd, int a
return get_lease(inode, flag);
}
int count = 0;
if (!capable(CAP_SYS_ADMIN))
-@@ -1063,13 +1201,14 @@
+@@ -1063,13 +1201,14 @@ struct file *filp_open(const char * path
if (flag & O_TRUNC)
flag |= 2;
if (error)
return ERR_PTR(error);
dentry = nd.dentry;
-@@ -1079,6 +1218,8 @@
+@@ -1079,6 +1218,8 @@ struct file *filp_open(const char * path
/*
* Create - we need to know the parent.
*/
error = path_lookup(pathname, LOOKUP_PARENT, &nd);
if (error)
return ERR_PTR(error);
-@@ -1094,7 +1235,7 @@
+@@ -1094,7 +1235,7 @@ struct file *filp_open(const char * path
dir = nd.dentry;
down(&dir->d_inode->i_sem);
do_last:
error = PTR_ERR(dentry);
-@@ -1103,10 +1244,11 @@
+@@ -1103,10 +1244,11 @@ do_last:
goto exit;
}
up(&dir->d_inode->i_sem);
dput(nd.dentry);
nd.dentry = dentry;
-@@ -1132,12 +1274,12 @@
+@@ -1132,12 +1274,12 @@ do_last:
error = -ELOOP;
if (flag & O_NOFOLLOW)
goto exit_dput;
goto do_link;
dput(nd.dentry);
-@@ -1152,11 +1294,13 @@
+@@ -1152,11 +1294,13 @@ ok:
if (!S_ISREG(nd.dentry->d_inode->i_mode))
open_flags &= ~O_TRUNC;
path_release(&nd);
return ERR_PTR(error);
-@@ -1175,10 +1319,14 @@
+@@ -1175,10 +1319,14 @@ do_link:
* are done. Procfs-like symlinks just set LAST_BIND.
*/
UPDATE_ATIME(dentry->d_inode);
if (nd.last_type == LAST_BIND) {
dentry = nd.dentry;
goto ok;
-@@ -1197,13 +1345,15 @@
+@@ -1197,13 +1345,15 @@ do_link:
}
dir = nd.dentry;
down(&dir->d_inode->i_sem);
{
struct dentry *dentry;
-@@ -1211,7 +1361,7 @@
+@@ -1211,7 +1361,7 @@ static struct dentry *lookup_create(stru
dentry = ERR_PTR(-EEXIST);
if (nd->last_type != LAST_NORM)
goto fail;
if (IS_ERR(dentry))
goto fail;
if (!is_dir && nd->last.name[nd->last.len] && !dentry->d_inode)
-@@ -1267,7 +1417,16 @@
+@@ -1267,7 +1417,16 @@ asmlinkage long sys_mknod(const char * f
error = path_lookup(tmp, LOOKUP_PARENT, &nd);
if (error)
goto out;
error = PTR_ERR(dentry);
mode &= ~current->fs->umask;
-@@ -1288,6 +1447,7 @@
+@@ -1288,6 +1447,7 @@ asmlinkage long sys_mknod(const char * f
dput(dentry);
}
up(&nd.dentry->d_inode->i_sem);
path_release(&nd);
out:
putname(tmp);
-@@ -1335,7 +1495,14 @@
+@@ -1335,7 +1495,14 @@ asmlinkage long sys_mkdir(const char * p
error = path_lookup(tmp, LOOKUP_PARENT, &nd);
if (error)
goto out;
error = PTR_ERR(dentry);
if (!IS_ERR(dentry)) {
error = vfs_mkdir(nd.dentry->d_inode, dentry,
-@@ -1343,6 +1510,7 @@
+@@ -1343,6 +1510,7 @@ asmlinkage long sys_mkdir(const char * p
dput(dentry);
}
up(&nd.dentry->d_inode->i_sem);
path_release(&nd);
out:
putname(tmp);
-@@ -1443,8 +1611,16 @@
+@@ -1443,8 +1611,16 @@ asmlinkage long sys_rmdir(const char * p
error = -EBUSY;
goto exit1;
}
error = PTR_ERR(dentry);
if (!IS_ERR(dentry)) {
error = vfs_rmdir(nd.dentry->d_inode, dentry);
-@@ -1502,8 +1678,15 @@
+@@ -1502,8 +1678,15 @@ asmlinkage long sys_unlink(const char *
error = -EISDIR;
if (nd.last_type != LAST_NORM)
goto exit1;
error = PTR_ERR(dentry);
if (!IS_ERR(dentry)) {
/* Why not before? Because we want correct error value */
-@@ -1570,15 +1753,23 @@
+@@ -1570,15 +1753,23 @@ asmlinkage long sys_symlink(const char *
error = path_lookup(to, LOOKUP_PARENT, &nd);
if (error)
goto out;
putname(to);
}
putname(from);
-@@ -1654,7 +1845,14 @@
+@@ -1654,7 +1845,14 @@ asmlinkage long sys_link(const char * ol
error = -EXDEV;
if (old_nd.mnt != nd.mnt)
goto out_release;
error = PTR_ERR(new_dentry);
if (!IS_ERR(new_dentry)) {
error = vfs_link(old_nd.dentry, nd.dentry->d_inode, new_dentry);
-@@ -1698,7 +1896,7 @@
+@@ -1698,7 +1896,7 @@ exit:
* locking].
*/
int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry,
{
int error;
struct inode *target;
-@@ -1777,7 +1975,7 @@
+@@ -1777,7 +1975,7 @@ out_unlock:
}
int vfs_rename_other(struct inode *old_dir, struct dentry *old_dentry,
{
int error;
-@@ -1865,9 +2063,18 @@
+@@ -1865,9 +2063,18 @@ static inline int do_rename(const char *
if (newnd.last_type != LAST_NORM)
goto exit2;
error = PTR_ERR(old_dentry);
if (IS_ERR(old_dentry))
goto exit3;
-@@ -1883,16 +2090,16 @@
+@@ -1883,16 +2090,16 @@ static inline int do_rename(const char *
if (newnd.last.name[newnd.last.len])
goto exit4;
}
dput(new_dentry);
exit4:
dput(old_dentry);
-@@ -1943,12 +2150,17 @@
+@@ -1943,12 +2150,17 @@ out:
}
static inline int
if (*link == '/') {
path_release(nd);
-@@ -1956,7 +2168,7 @@
+@@ -1956,7 +2168,7 @@ __vfs_follow_link(struct nameidata *nd,
/* weird __emul_prefix() stuff did it */
goto out;
}
out:
if (current->link_count || res || nd->last_type!=LAST_NORM)
return res;
-@@ -1978,7 +2190,13 @@
+@@ -1978,7 +2190,13 @@ fail:
int vfs_follow_link(struct nameidata *nd, const char *link)
{
}
/* get the link contents into pagecache */
-@@ -2020,7 +2238,7 @@
+@@ -2020,7 +2238,7 @@ int page_follow_link(struct dentry *dent
{
struct page *page = NULL;
char *s = page_getlink(dentry, &page);
if (page) {
kunmap(page);
page_cache_release(page);
-Index: linux-2.4.18-chaos52/fs/open.c
-===================================================================
---- linux-2.4.18-chaos52.orig/fs/open.c 2003-08-11 10:10:12.000000000 +0800
-+++ linux-2.4.18-chaos52/fs/open.c 2003-08-11 10:19:28.000000000 +0800
+--- linux-2.4.18-chaos/fs/open.c~vfs_intent-2.4.18-18-chaos65 2003-07-28 17:52:06.000000000 +0400
++++ linux-2.4.18-chaos-alexey/fs/open.c 2003-09-11 20:01:36.000000000 +0400
@@ -19,6 +19,8 @@
#include <asm/uaccess.h>
int vfs_statfs(struct super_block *sb, struct statfs *buf)
{
-@@ -95,9 +97,10 @@
+@@ -95,9 +97,10 @@ void fd_install(unsigned int fd, struct
write_unlock(&files->file_lock);
}
int error;
struct iattr newattrs;
-@@ -108,7 +111,13 @@
+@@ -108,7 +111,13 @@ int do_truncate(struct dentry *dentry, l
down(&inode->i_sem);
newattrs.ia_size = length;
newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
up(&inode->i_sem);
return error;
}
-@@ -118,12 +127,13 @@
+@@ -118,12 +127,13 @@ static inline long do_sys_truncate(const
struct nameidata nd;
struct inode * inode;
int error;
if (error)
goto out;
inode = nd.dentry->d_inode;
-@@ -163,11 +173,13 @@
+@@ -163,11 +173,13 @@ static inline long do_sys_truncate(const
error = locks_verify_truncate(inode, NULL, length);
if (!error) {
DQUOT_INIT(inode);
path_release(&nd);
out:
return error;
-@@ -215,7 +227,7 @@
+@@ -215,7 +227,7 @@ static inline long do_sys_ftruncate(unsi
error = locks_verify_truncate(inode, file, length);
if (!error)
out_putf:
fput(file);
out:
-@@ -260,11 +272,13 @@
+@@ -260,11 +272,13 @@ asmlinkage long sys_utime(char * filenam
struct inode * inode;
struct iattr newattrs;
error = -EROFS;
if (IS_RDONLY(inode))
goto dput_and_out;
-@@ -279,11 +293,25 @@
+@@ -279,11 +293,25 @@ asmlinkage long sys_utime(char * filenam
goto dput_and_out;
newattrs.ia_valid |= ATTR_ATIME_SET | ATTR_MTIME_SET;
error = notify_change(nd.dentry, &newattrs);
dput_and_out:
path_release(&nd);
-@@ -304,12 +332,14 @@
+@@ -304,12 +332,14 @@ asmlinkage long sys_utimes(char * filena
struct inode * inode;
struct iattr newattrs;
error = -EROFS;
if (IS_RDONLY(inode))
goto dput_and_out;
-@@ -324,7 +354,20 @@
+@@ -324,7 +354,20 @@ asmlinkage long sys_utimes(char * filena
newattrs.ia_atime = times[0].tv_sec;
newattrs.ia_mtime = times[1].tv_sec;
newattrs.ia_valid |= ATTR_ATIME_SET | ATTR_MTIME_SET;
if (current->fsuid != inode->i_uid &&
(error = permission(inode,MAY_WRITE)) != 0)
goto dput_and_out;
-@@ -347,6 +390,7 @@
+@@ -347,6 +390,7 @@ asmlinkage long sys_access(const char *
int old_fsuid, old_fsgid;
kernel_cap_t old_cap;
int res;
if (mode & ~S_IRWXO) /* where's F_OK, X_OK, W_OK, R_OK? */
return -EINVAL;
-@@ -364,13 +408,14 @@
+@@ -364,13 +408,14 @@ asmlinkage long sys_access(const char *
else
current->cap_effective = current->cap_permitted;
path_release(&nd);
}
-@@ -385,8 +430,11 @@
+@@ -385,8 +430,11 @@ asmlinkage long sys_chdir(const char * f
{
int error;
struct nameidata nd;
if (error)
goto out;
-@@ -397,6 +445,7 @@
+@@ -397,6 +445,7 @@ asmlinkage long sys_chdir(const char * f
set_fs_pwd(current->fs, nd.mnt, nd.dentry);
dput_and_out:
path_release(&nd);
out:
return error;
-@@ -436,9 +485,10 @@
+@@ -436,9 +485,10 @@ asmlinkage long sys_chroot(const char *
{
int error;
struct nameidata nd;
if (error)
goto out;
-@@ -454,39 +504,56 @@
+@@ -454,39 +504,56 @@ asmlinkage long sys_chroot(const char *
set_fs_altroot();
error = 0;
dput_and_out:
fput(file);
out:
return err;
-@@ -495,30 +562,14 @@
+@@ -495,30 +562,14 @@ out:
asmlinkage long sys_chmod(const char * filename, mode_t mode)
{
struct nameidata nd;
path_release(&nd);
out:
return error;
-@@ -538,6 +589,20 @@
+@@ -538,6 +589,20 @@ static int chown_common(struct dentry *
error = -EROFS;
if (IS_RDONLY(inode))
goto out;
error = -EPERM;
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
goto out;
-@@ -628,7 +693,8 @@
+@@ -628,7 +693,8 @@ extern ssize_t do_readahead(struct file
/* for files over a certains size it doesn't pay to do readahead on open */
#define READAHEAD_CUTOFF 48000
{
struct file * f;
struct inode *inode;
-@@ -649,7 +715,7 @@
+@@ -649,7 +715,7 @@ struct file *dentry_open(struct dentry *
error = locks_verify_locked(inode);
if (!error) {
DQUOT_INIT(inode);
}
if (error || !(f->f_mode & FMODE_WRITE))
put_write_access(inode);
-@@ -679,7 +745,9 @@
+@@ -679,7 +745,9 @@ struct file *dentry_open(struct dentry *
}
if (f->f_op && f->f_op->open) {
if (error)
goto cleanup_all;
}
-@@ -693,6 +761,7 @@
+@@ -693,6 +761,7 @@ struct file *dentry_open(struct dentry *
do_readahead(f, 0, (48 * 1024) >> PAGE_SHIFT);
return f;
cleanup_all:
-@@ -707,11 +776,17 @@
+@@ -707,11 +776,17 @@ cleanup_all:
cleanup_file:
put_filp(f);
cleanup_dentry:
/*
* Find an empty file descriptor entry, and mark it busy.
*/
-Index: linux-2.4.18-chaos52/fs/stat.c
-===================================================================
---- linux-2.4.18-chaos52.orig/fs/stat.c 2003-08-11 10:10:12.000000000 +0800
-+++ linux-2.4.18-chaos52/fs/stat.c 2003-08-11 10:11:27.000000000 +0800
+--- linux-2.4.18-chaos/fs/stat.c~vfs_intent-2.4.18-18-chaos65 2003-07-28 17:52:06.000000000 +0400
++++ linux-2.4.18-chaos-alexey/fs/stat.c 2003-09-11 20:01:36.000000000 +0400
@@ -17,21 +17,24 @@
* Revalidate the inode. This is required for proper NFS attribute caching.
*/
if (res)
return res;
-@@ -104,10 +107,12 @@
+@@ -104,10 +107,12 @@ int vfs_stat(char *name, struct kstat *s
{
struct nameidata nd;
int error;
path_release(&nd);
}
return error;
-@@ -117,10 +122,12 @@
+@@ -117,10 +122,12 @@ int vfs_lstat(char *name, struct kstat *
{
struct nameidata nd;
int error;
path_release(&nd);
}
return error;
-@@ -132,7 +139,7 @@
+@@ -132,7 +139,7 @@ int vfs_fstat(unsigned int fd, struct ks
int error = -EBADF;
if (f) {
fput(f);
}
return error;
-@@ -279,7 +286,7 @@
+@@ -279,7 +286,7 @@ asmlinkage long sys_readlink(const char
error = -EINVAL;
if (inode->i_op && inode->i_op->readlink &&
UPDATE_ATIME(inode);
error = inode->i_op->readlink(nd.dentry, buf, bufsiz);
}
-Index: linux-2.4.18-chaos52/include/linux/dcache.h
-===================================================================
---- linux-2.4.18-chaos52.orig/include/linux/dcache.h 2003-08-11 10:10:12.000000000 +0800
-+++ linux-2.4.18-chaos52/include/linux/dcache.h 2003-08-11 10:11:28.000000000 +0800
+--- linux-2.4.18-chaos/include/linux/dcache.h~vfs_intent-2.4.18-18-chaos65 2003-07-28 17:52:16.000000000 +0400
++++ linux-2.4.18-chaos-alexey/include/linux/dcache.h 2003-09-11 20:01:36.000000000 +0400
@@ -5,6 +5,51 @@
#include <asm/atomic.h>
/*
* linux/include/linux/dcache.h
-@@ -91,8 +136,22 @@
+@@ -91,8 +136,22 @@ struct dentry_operations {
int (*d_delete)(struct dentry *);
void (*d_release)(struct dentry *);
void (*d_iput)(struct dentry *, struct inode *);
/* the dentry parameter passed to d_hash and d_compare is the parent
* directory of the entries to be compared. It is used in case these
* functions need any directory specific information for determining
-@@ -124,6 +183,7 @@
+@@ -124,6 +183,7 @@ d_iput: no no yes
* s_nfsd_free_path semaphore will be down
*/
#define DCACHE_REFERENCED 0x0008 /* Recently used, don't discard. */
extern spinlock_t dcache_lock;
-Index: linux-2.4.18-chaos52/include/linux/fs.h
-===================================================================
---- linux-2.4.18-chaos52.orig/include/linux/fs.h 2003-08-11 10:11:24.000000000 +0800
-+++ linux-2.4.18-chaos52/include/linux/fs.h 2003-08-11 10:41:55.000000000 +0800
-@@ -73,6 +73,7 @@
+--- linux-2.4.18-chaos/include/linux/fs.h~vfs_intent-2.4.18-18-chaos65 2003-09-11 20:01:20.000000000 +0400
++++ linux-2.4.18-chaos-alexey/include/linux/fs.h 2003-09-11 20:02:15.000000000 +0400
+@@ -73,6 +73,7 @@ extern int leases_enable, dir_notify_ena
#define FMODE_READ 1
#define FMODE_WRITE 2
#define READ 0
#define WRITE 1
-@@ -338,6 +339,9 @@
+@@ -339,6 +340,9 @@ extern void set_bh_page(struct buffer_he
#define ATTR_MTIME_SET 256
#define ATTR_FORCE 512 /* Not a change, but a change it */
#define ATTR_ATTR_FLAG 1024
/*
* This is the Inode Attributes structure, used for notify_change(). It
-@@ -576,6 +580,7 @@
+@@ -474,6 +478,7 @@ struct inode {
+ struct pipe_inode_info *i_pipe;
+ struct block_device *i_bdev;
+ struct char_device *i_cdev;
++ void *i_filterdata;
+
+ unsigned long i_dnotify_mask; /* Directory notify events */
+ struct dnotify_struct *i_dnotify; /* for directory notifications */
+@@ -578,6 +583,7 @@ struct file {
/* needed for tty driver, and maybe others */
void *private_data;
/* preallocated helper kiobuf to speedup O_DIRECT */
struct kiobuf *f_iobuf;
-@@ -705,6 +710,7 @@
+@@ -707,6 +713,7 @@ struct nameidata {
struct qstr last;
unsigned int flags;
int last_type;
};
#define DQUOT_USR_ENABLED 0x01 /* User diskquotas enabled */
-@@ -836,7 +842,8 @@
+@@ -840,7 +847,8 @@ extern int vfs_symlink(struct inode *, s
extern int vfs_link(struct dentry *, struct inode *, struct dentry *);
extern int vfs_rmdir(struct inode *, struct dentry *);
extern int vfs_unlink(struct inode *, struct dentry *);
/*
* File types
-@@ -896,21 +903,34 @@
+@@ -900,21 +908,34 @@ struct file_operations {
struct inode_operations {
int (*create) (struct inode *,struct dentry *,int);
int (*getattr) (struct dentry *, struct iattr *);
};
-@@ -1115,10 +1135,12 @@
+@@ -1119,10 +1140,12 @@ static inline int get_lease(struct inode
asmlinkage long sys_open(const char *, int, int);
asmlinkage long sys_close(unsigned int); /* yes, it's really unsigned */
extern int filp_close(struct file *, fl_owner_t id);
extern char * getname(const char *);
-@@ -1384,9 +1406,12 @@
+@@ -1388,9 +1411,12 @@ typedef int (*read_actor_t)(read_descrip
extern loff_t default_llseek(struct file *file, loff_t offset, int origin);
extern int FASTCALL(__user_walk(const char *, unsigned, struct nameidata *));
extern int FASTCALL(link_path_walk(const char *, struct nameidata *));
extern void path_release(struct nameidata *);
extern int follow_down(struct vfsmount **, struct dentry **);
-@@ -1395,6 +1420,8 @@
+@@ -1399,6 +1425,8 @@ extern struct dentry * lookup_one_len(co
extern struct dentry * lookup_hash(struct qstr *, struct dentry *);
#define user_path_walk(name,nd) __user_walk(name, LOOKUP_FOLLOW|LOOKUP_POSITIVE, nd)
#define user_path_walk_link(name,nd) __user_walk(name, LOOKUP_POSITIVE, nd)
extern void inode_init_once(struct inode *);
extern void iput(struct inode *);
-@@ -1495,6 +1522,8 @@
+@@ -1499,6 +1527,8 @@ extern struct file_operations generic_ro
extern int vfs_readlink(struct dentry *, char *, int, const char *);
extern int vfs_follow_link(struct nameidata *, const char *);
extern int page_readlink(struct dentry *, char *, int);
extern int page_follow_link(struct dentry *, struct nameidata *);
extern struct inode_operations page_symlink_inode_operations;
-Index: linux-2.4.18-chaos52/kernel/fork.c
-===================================================================
---- linux-2.4.18-chaos52.orig/kernel/fork.c 2003-08-11 10:10:13.000000000 +0800
-+++ linux-2.4.18-chaos52/kernel/fork.c 2003-08-11 10:11:28.000000000 +0800
-@@ -399,10 +399,13 @@
+--- linux-2.4.18-chaos/kernel/fork.c~vfs_intent-2.4.18-18-chaos65 2003-07-28 17:52:20.000000000 +0400
++++ linux-2.4.18-chaos-alexey/kernel/fork.c 2003-09-11 20:01:36.000000000 +0400
+@@ -399,10 +399,13 @@ static inline struct fs_struct *__copy_f
fs->umask = old->umask;
read_lock(&old->lock);
fs->rootmnt = mntget(old->rootmnt);
fs->altrootmnt = mntget(old->altrootmnt);
fs->altroot = dget(old->altroot);
} else {
-Index: linux-2.4.18-chaos52/kernel/exit.c
-===================================================================
---- linux-2.4.18-chaos52.orig/kernel/exit.c 2003-08-11 10:10:13.000000000 +0800
-+++ linux-2.4.18-chaos52/kernel/exit.c 2003-08-11 10:11:28.000000000 +0800
-@@ -303,11 +303,14 @@
+--- linux-2.4.18-chaos/kernel/exit.c~vfs_intent-2.4.18-18-chaos65 2003-07-28 17:52:20.000000000 +0400
++++ linux-2.4.18-chaos-alexey/kernel/exit.c 2003-09-11 20:01:36.000000000 +0400
+@@ -303,11 +303,14 @@ static inline void __put_fs_struct(struc
{
/* No need to hold fs->lock if we are killing it */
if (atomic_dec_and_test(&fs->count)) {
dput(fs->altroot);
mntput(fs->altrootmnt);
}
-Index: linux-2.4.18-chaos52/kernel/ksyms.c
-===================================================================
---- linux-2.4.18-chaos52.orig/kernel/ksyms.c 2003-08-11 10:11:25.000000000 +0800
-+++ linux-2.4.18-chaos52/kernel/ksyms.c 2003-08-11 10:11:28.000000000 +0800
-@@ -294,6 +294,7 @@
+--- linux-2.4.18-chaos/kernel/ksyms.c~vfs_intent-2.4.18-18-chaos65 2003-09-11 20:01:21.000000000 +0400
++++ linux-2.4.18-chaos-alexey/kernel/ksyms.c 2003-09-11 20:01:36.000000000 +0400
+@@ -294,6 +294,7 @@ EXPORT_SYMBOL(read_cache_page);
EXPORT_SYMBOL(set_page_dirty);
EXPORT_SYMBOL(vfs_readlink);
EXPORT_SYMBOL(vfs_follow_link);
EXPORT_SYMBOL(page_readlink);
EXPORT_SYMBOL(page_follow_link);
EXPORT_SYMBOL(page_symlink_inode_operations);
+
+_