0 files changed
---- linux-2.4.20-rh/fs/dcache.c~vfs_intent-2.4.20-rh 2003-04-11 14:04:58.000000000 +0800
-+++ linux-2.4.20-rh-root/fs/dcache.c 2003-06-09 23:18:07.000000000 +0800
+--- linux-2.4.20/fs/dcache.c~vfs_intent-2.4.20-rh 2003-07-17 08:32:59.000000000 -0700
++++ linux-2.4.20-mmonroe/fs/dcache.c 2003-07-17 08:35:22.000000000 -0700
@@ -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.
-@@ -624,6 +631,7 @@ struct dentry * d_alloc(struct dentry *
- dentry->d_fsdata = NULL;
- dentry->d_extra_attributes = NULL;
- dentry->d_mounted = 0;
-+ dentry->d_it = NULL;
- dentry->d_cookie = NULL;
- INIT_LIST_HEAD(&dentry->d_hash);
- INIT_LIST_HEAD(&dentry->d_lru);
-@@ -839,13 +847,19 @@ void d_delete(struct dentry * dentry)
+@@ -839,13 +846,19 @@ void d_delete(struct dentry * dentry)
* Adds a dentry to the hash according to its name.
*/
}
#define do_switch(x,y) do { \
---- linux-2.4.20-rh/fs/namei.c~vfs_intent-2.4.20-rh 2003-04-11 14:04:57.000000000 +0800
-+++ linux-2.4.20-rh-root/fs/namei.c 2003-06-09 23:18:07.000000000 +0800
+--- linux-2.4.20/fs/namei.c~vfs_intent-2.4.20-rh 2003-07-17 08:32:47.000000000 -0700
++++ linux-2.4.20-mmonroe/fs/namei.c 2003-07-17 08:35:22.000000000 -0700
@@ -94,6 +94,13 @@
* XEmacs seems to be relying on it...
*/
-+void intent_release(struct dentry *de, struct lookup_intent *it)
++void intent_release(struct lookup_intent *it)
+{
-+ if (it && de->d_op && de->d_op->d_intent_release)
-+ de->d_op->d_intent_release(de, it);
++ if (it && it->it_op_release)
++ it->it_op_release(it);
+
+}
+
{
struct dentry * dentry = d_lookup(parent, name);
-+ if (dentry && dentry->d_op && dentry->d_op->d_revalidate2) {
-+ if (!dentry->d_op->d_revalidate2(dentry, flags, it) &&
++ if (dentry && dentry->d_op && dentry->d_op->d_revalidate_it) {
++ if (!dentry->d_op->d_revalidate_it(dentry, flags, it) &&
+ !d_invalidate(dentry)) {
+ dput(dentry);
+ dentry = NULL;
result = ERR_PTR(-ENOMEM);
if (dentry) {
lock_kernel();
-+ if (dir->i_op->lookup2)
-+ result = dir->i_op->lookup2(dir, dentry, it);
++ if (dir->i_op->lookup_it)
++ result = dir->i_op->lookup_it(dir, dentry, it, flags);
+ else
result = dir->i_op->lookup(dir, dentry);
unlock_kernel();
dput(result);
result = ERR_PTR(-ENOENT);
}
-+ } else if (result->d_op && result->d_op->d_revalidate2) {
-+ if (!result->d_op->d_revalidate2(result, flags, it) &&
++ } else if (result->d_op && result->d_op->d_revalidate_it) {
++ if (!result->d_op->d_revalidate_it(result, flags, it) &&
+ !d_invalidate(result)) {
+ dput(result);
+ goto again;
{
int err;
if (current->link_count >= max_recursive_link)
-@@ -348,10 +377,21 @@ static inline int do_follow_link(struct
+@@ -348,10 +377,18 @@ 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->it = it;
-+ if (dentry->d_inode->i_op->follow_link2)
-+ err = dentry->d_inode->i_op->follow_link2(dentry, nd, it);
-+ else
-+ err = dentry->d_inode->i_op->follow_link(dentry, nd);
+ err = dentry->d_inode->i_op->follow_link(dentry, nd);
+ if (!err && it != NULL && !(it->it_int_flags & IT_FL_FOLLOWED)) {
+ /* vfs_follow_link was never called */
-+ intent_release(dentry, it);
++ intent_release(it);
+ path_release(nd);
+ err = -ENOLINK;
+ }
current->link_count--;
return err;
loop:
-+ intent_release(dentry, it);
++ intent_release(it);
path_release(nd);
return -ELOOP;
}
-@@ -381,15 +421,26 @@ int follow_up(struct vfsmount **mnt, str
+@@ -381,15 +418,26 @@ int follow_up(struct vfsmount **mnt, str
return __follow_up(mnt, dentry);
}
+ opc = it->it_op;
+ mode = it->it_mode;
+ }
-+ intent_release(*dentry, it);
++ intent_release(it);
+ if (it) {
+ it->it_op = opc;
+ it->it_mode = mode;
dput(*dentry);
mntput(mounted->mnt_parent);
*dentry = dget(mounted->mnt_root);
-@@ -401,7 +452,7 @@ static inline int __follow_down(struct v
+@@ -401,7 +449,7 @@ 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 +488,7 @@ static inline void follow_dotdot(struct
+@@ -437,7 +485,7 @@ static inline void follow_dotdot(struct
mntput(nd->mnt);
nd->mnt = parent;
}
;
}
-@@ -449,7 +500,8 @@ static inline void follow_dotdot(struct
+@@ -449,7 +497,8 @@ static inline void follow_dotdot(struct
*
* We expect 'base' to be positive and a directory.
*/
{
struct dentry *dentry;
struct inode *inode;
-@@ -526,18 +578,18 @@ int link_path_walk(const char * name, st
+@@ -526,19 +575,18 @@ int link_path_walk(const char * name, st
break;
}
/* This does the actual lookups.. */
- dentry = cached_lookup(nd->dentry, &this, LOOKUP_CONTINUE);
-+ dentry = cached_lookup(nd->dentry, &this, LOOKUP_CONTINUE, NULL);
++ dentry = cached_lookup(nd->dentry, &this, LOOKUP_CONTINUE, NULL);
if (!dentry) {
err = -EWOULDBLOCKIO;
if (atomic)
break;
- dentry = real_lookup(nd->dentry, &this, LOOKUP_CONTINUE);
-+ dentry = real_lookup(nd->dentry, &this, LOOKUP_CONTINUE, NULL);
++ dentry = real_lookup(nd->dentry, &this, LOOKUP_CONTINUE, NULL);
err = PTR_ERR(dentry);
if (IS_ERR(dentry))
break;
}
/* Check mountpoints.. */
- while (d_mountpoint(dentry) && __follow_down(&nd->mnt, &dentry))
-+ while (d_mountpoint(dentry) && __follow_down(&nd->mnt, &dentry, NULL))
- ;
+- ;
++ while (d_mountpoint(dentry) && __follow_down(&nd->mnt, &dentry, NULL));
err = -ENOENT;
-@@ -548,8 +600,8 @@ int link_path_walk(const char * name, st
- if (!inode->i_op)
+ inode = dentry->d_inode;
+@@ -549,7 +597,7 @@ int link_path_walk(const char * name, st
goto out_dput;
-- if (inode->i_op->follow_link) {
+ if (inode->i_op->follow_link) {
- err = do_follow_link(dentry, nd);
-+ if (inode->i_op->follow_link || inode->i_op->follow_link2) {
+ err = do_follow_link(dentry, nd, NULL);
dput(dentry);
if (err)
goto return_err;
-@@ -565,7 +617,7 @@ int link_path_walk(const char * name, st
+@@ -565,7 +613,7 @@ int link_path_walk(const char * name, st
nd->dentry = dentry;
}
err = -ENOTDIR;
- if (!inode->i_op->lookup)
-+ if (!inode->i_op->lookup && !inode->i_op->lookup2)
++ if (!inode->i_op->lookup && !inode->i_op->lookup_it)
break;
continue;
/* here ends the main loop */
-@@ -592,22 +644,23 @@ last_component:
+@@ -592,22 +640,22 @@ last_component:
if (err < 0)
break;
}
- dentry = cached_lookup(nd->dentry, &this, 0);
-+ dentry = cached_lookup(nd->dentry, &this, 0, it);
++ dentry = cached_lookup(nd->dentry, &this, 0, it);
if (!dentry) {
err = -EWOULDBLOCKIO;
if (atomic)
break;
- dentry = real_lookup(nd->dentry, &this, 0);
-+ dentry = real_lookup(nd->dentry, &this, 0, it);
++ dentry = real_lookup(nd->dentry, &this, 0, it);
err = PTR_ERR(dentry);
if (IS_ERR(dentry))
break;
}
- while (d_mountpoint(dentry) && __follow_down(&nd->mnt, &dentry))
-+ while (d_mountpoint(dentry) && __follow_down(&nd->mnt, &dentry, it))
++ while (d_mountpoint(dentry) && __follow_down(&nd->mnt, &dentry, it))
;
inode = dentry->d_inode;
if ((lookup_flags & LOOKUP_FOLLOW)
-- && inode && inode->i_op && inode->i_op->follow_link) {
+ && inode && inode->i_op && inode->i_op->follow_link) {
- err = do_follow_link(dentry, nd);
-+ && inode && inode->i_op &&
-+ (inode->i_op->follow_link || inode->i_op->follow_link2)) {
-+ err = do_follow_link(dentry, nd, it);
++ err = do_follow_link(dentry, nd, it);
dput(dentry);
if (err)
goto return_err;
-@@ -621,7 +674,8 @@ last_component:
+@@ -621,7 +669,8 @@ last_component:
goto no_inode;
if (lookup_flags & LOOKUP_DIRECTORY) {
err = -ENOTDIR;
- if (!inode->i_op || !inode->i_op->lookup)
+ if (!inode->i_op ||
-+ (!inode->i_op->lookup && !inode->i_op->lookup2))
++ (!inode->i_op->lookup && !inode->i_op->lookup_it))
break;
}
goto return_base;
-@@ -645,6 +699,23 @@ return_reval:
+@@ -645,6 +694,23 @@ return_reval:
* Check the cached dentry for staleness.
*/
dentry = nd->dentry;
-+ revalidate_again:
-+ if (dentry && dentry->d_op && dentry->d_op->d_revalidate2) {
++ revalidate_again:
++ if (dentry && dentry->d_op && dentry->d_op->d_revalidate_it) {
+ err = -ESTALE;
-+ if (!dentry->d_op->d_revalidate2(dentry, 0, it)) {
-+ struct dentry *new;
-+ err = permission(dentry->d_parent->d_inode,
-+ MAY_EXEC);
-+ if (err)
-+ break;
-+ new = real_lookup(dentry->d_parent,
-+ &dentry->d_name, 0, NULL);
++ if (!dentry->d_op->d_revalidate_it(dentry, 0, it)) {
++ struct dentry *new;
++ err = permission(dentry->d_parent->d_inode,
++ MAY_EXEC);
++ if (err)
++ break;
++ new = real_lookup(dentry->d_parent,
++ &dentry->d_name, 0, NULL);
+ d_invalidate(dentry);
-+ dput(dentry);
-+ dentry = new;
-+ goto revalidate_again;
-+ }
++ dput(dentry);
++ dentry = new;
++ goto revalidate_again;
++ }
+ } else
if (dentry && dentry->d_op && dentry->d_op->d_revalidate) {
err = -ESTALE;
if (!dentry->d_op->d_revalidate(dentry, 0)) {
-@@ -658,15 +729,28 @@ out_dput:
+@@ -658,15 +724,28 @@ out_dput:
dput(dentry);
break;
}
+ if (err)
-+ intent_release(nd->dentry, it);
++ intent_release(it);
path_release(nd);
return_err:
return err;
}
/* SMP-safe */
-@@ -751,6 +835,17 @@ walk_init_root(const char *name, struct
+@@ -751,6 +830,17 @@ 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 +860,7 @@ int path_init(const char *name, unsigned
+@@ -765,6 +855,7 @@ 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 +875,8 @@ int path_init(const char *name, unsigned
+@@ -779,7 +870,8 @@ 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 +899,16 @@ struct dentry * lookup_hash(struct qstr
+@@ -802,13 +894,16 @@ struct dentry * lookup_hash(struct qstr
goto out;
}
if (!new)
goto out;
lock_kernel();
-+ if (inode->i_op->lookup2)
-+ dentry = inode->i_op->lookup2(inode, new, it);
++ if (inode->i_op->lookup_it)
++ dentry = inode->i_op->lookup_it(inode, new, it, 0);
+ else
dentry = inode->i_op->lookup(inode, new);
unlock_kernel();
if (!dentry)
-@@ -820,6 +920,12 @@ out:
+@@ -820,6 +915,12 @@ out:
return dentry;
}
/* SMP-safe */
struct dentry * lookup_one_len(const char * name, struct dentry * base, int len)
{
-@@ -841,7 +947,7 @@ struct dentry * lookup_one_len(const cha
+@@ -841,7 +942,7 @@ struct dentry * lookup_one_len(const cha
}
this.hash = end_name_hash(hash);
access:
return ERR_PTR(-EACCES);
}
-@@ -872,6 +978,23 @@ int __user_walk(const char *name, unsign
+@@ -872,6 +973,23 @@ int __user_walk(const char *name, unsign
return err;
}
/*
* It's inline, so penalty for filesystems that don't use sticky bit is
* minimal.
-@@ -1010,7 +1133,8 @@ exit_lock:
+@@ -969,7 +1087,8 @@ static inline int lookup_flags(unsigned
+ return retval;
+ }
+
+-int vfs_create(struct inode *dir, struct dentry *dentry, int mode)
++static int vfs_create_it(struct inode *dir, struct dentry *dentry, int mode,
++ struct lookup_intent *it)
+ {
+ int error;
+
+@@ -982,12 +1101,15 @@ int vfs_create(struct inode *dir, struct
+ goto exit_lock;
+
+ error = -EACCES; /* shouldn't it be ENOSYS? */
+- if (!dir->i_op || !dir->i_op->create)
++ if (!dir->i_op || (!dir->i_op->create && !dir->i_op->create_it))
+ goto exit_lock;
+
+ DQUOT_INIT(dir);
+ lock_kernel();
+- error = dir->i_op->create(dir, dentry, mode);
++ if (dir->i_op->create_it)
++ error = dir->i_op->create_it(dir, dentry, mode, it);
++ else
++ error = dir->i_op->create(dir, dentry, mode);
+ unlock_kernel();
+ exit_lock:
+ up(&dir->i_zombie);
+@@ -996,6 +1118,11 @@ exit_lock:
+ return error;
+ }
+
++int vfs_create(struct inode *dir, struct dentry *dentry, int mode)
++{
++ return vfs_create_it(dir, dentry, mode, NULL);
++}
++
+ /*
+ * open_namei()
+ *
+@@ -1010,7 +1137,8 @@ exit_lock:
* for symlinks (where the permissions are checked later).
* SMP-safe
*/
{
int acc_mode, error = 0;
struct inode *inode;
-@@ -1024,7 +1148,7 @@ int open_namei(const char * pathname, in
+@@ -1024,7 +1152,7 @@ int open_namei(const char * pathname, in
* The simplest case - just a plain lookup.
*/
if (!(flag & O_CREAT)) {
if (error)
return error;
dentry = nd->dentry;
-@@ -1034,6 +1158,10 @@ int open_namei(const char * pathname, in
+@@ -1034,6 +1162,10 @@ int open_namei(const char * pathname, in
/*
* Create - we need to know the parent.
*/
error = path_lookup(pathname, LOOKUP_PARENT, nd);
if (error)
return error;
-@@ -1049,7 +1177,7 @@ int open_namei(const char * pathname, in
+@@ -1049,7 +1181,7 @@ int open_namei(const char * pathname, in
dir = nd->dentry;
down(&dir->d_inode->i_sem);
do_last:
error = PTR_ERR(dentry);
-@@ -1058,6 +1186,7 @@ do_last:
+@@ -1058,10 +1190,11 @@ do_last:
goto exit;
}
+ it->it_mode = mode;
/* Negative dentry, just create the file */
if (!dentry->d_inode) {
- error = vfs_create(dir->d_inode, dentry,
-@@ -1086,12 +1215,13 @@ do_last:
+- error = vfs_create(dir->d_inode, dentry,
+- mode & ~current->fs->umask);
++ error = vfs_create_it(dir->d_inode, dentry,
++ mode & ~current->fs->umask, it);
+ up(&dir->d_inode->i_sem);
+ dput(nd->dentry);
+ nd->dentry = dentry;
+@@ -1086,7 +1219,7 @@ do_last:
error = -ELOOP;
if (flag & O_NOFOLLOW)
goto exit_dput;
}
error = -ENOENT;
if (!dentry->d_inode)
- goto exit_dput;
-- if (dentry->d_inode->i_op && dentry->d_inode->i_op->follow_link)
-+ if (dentry->d_inode->i_op && (dentry->d_inode->i_op->follow_link ||
-+ dentry->d_inode->i_op->follow_link2))
- goto do_link;
-
- dput(nd->dentry);
-@@ -1165,7 +1295,7 @@ ok:
+@@ -1165,7 +1298,7 @@ ok:
if (!error) {
DQUOT_INIT(inode);
}
put_write_access(inode);
if (error)
-@@ -1177,8 +1307,10 @@ ok:
+@@ -1177,8 +1310,10 @@ ok:
return 0;
exit_dput:
-+ intent_release(dentry, it);
++ intent_release(it);
dput(dentry);
exit:
-+ intent_release(nd->dentry, it);
++ intent_release(it);
path_release(nd);
return error;
-@@ -1197,7 +1329,19 @@ do_link:
+@@ -1197,7 +1332,16 @@ do_link:
* are done. Procfs-like symlinks just set LAST_BIND.
*/
UPDATE_ATIME(dentry->d_inode);
-- error = dentry->d_inode->i_op->follow_link(dentry, nd);
+ nd->it = it;
-+ if (dentry->d_inode->i_op->follow_link2)
-+ error = dentry->d_inode->i_op->follow_link2(dentry, nd, it);
-+ else
-+ error = dentry->d_inode->i_op->follow_link(dentry, nd);
+ error = dentry->d_inode->i_op->follow_link(dentry, nd);
+ if (error) {
-+ intent_release(dentry, it);
++ intent_release(it);
+ } else if (it != NULL && !(it->it_int_flags & IT_FL_FOLLOWED)) {
+ /* vfs_follow_link was never called */
-+ intent_release(dentry, it);
++ intent_release(it);
+ path_release(nd);
+ error = -ENOLINK;
+ }
if (IS_ERR(dentry))
goto fail;
if (!is_dir && nd->last.name[nd->last.len] && !dentry->d_inode)
-@@ -1289,7 +1440,19 @@ asmlinkage long sys_mknod(const char * f
+@@ -1289,7 +1440,16 @@ asmlinkage long sys_mknod(const char * f
error = path_lookup(tmp, LOOKUP_PARENT, &nd);
if (error)
goto out;
- dentry = lookup_create(&nd, 0);
+
-+ if (nd.dentry->d_inode->i_op->mknod2) {
++ if (nd.dentry->d_inode->i_op->mknod_raw) {
+ struct inode_operations *op = nd.dentry->d_inode->i_op;
-+ error = op->mknod2(nd.dentry->d_inode,
-+ nd.last.name,
-+ nd.last.len,
-+ mode, dev);
++ error = op->mknod_raw(&nd, mode, dev);
+ /* the file system wants to use normal vfs path now */
+ if (error != -EOPNOTSUPP)
+ goto out2;
error = PTR_ERR(dentry);
mode &= ~current->fs->umask;
-@@ -1310,6 +1473,7 @@ asmlinkage long sys_mknod(const char * f
+@@ -1310,6 +1470,7 @@ asmlinkage long sys_mknod(const char * f
dput(dentry);
}
up(&nd.dentry->d_inode->i_sem);
path_release(&nd);
out:
putname(tmp);
-@@ -1357,7 +1521,17 @@ asmlinkage long sys_mkdir(const char * p
+@@ -1357,7 +1518,14 @@ asmlinkage long sys_mkdir(const char * p
error = path_lookup(tmp, LOOKUP_PARENT, &nd);
if (error)
goto out;
- dentry = lookup_create(&nd, 1);
-+ if (nd.dentry->d_inode->i_op->mkdir2) {
++ if (nd.dentry->d_inode->i_op->mkdir_raw) {
+ struct inode_operations *op = nd.dentry->d_inode->i_op;
-+ error = op->mkdir2(nd.dentry->d_inode,
-+ nd.last.name,
-+ nd.last.len,
-+ mode);
++ error = op->mkdir_raw(&nd, mode);
+ /* the file system wants to use normal vfs path now */
+ if (error != -EOPNOTSUPP)
+ goto out2;
error = PTR_ERR(dentry);
if (!IS_ERR(dentry)) {
error = vfs_mkdir(nd.dentry->d_inode, dentry,
-@@ -1365,6 +1539,7 @@ asmlinkage long sys_mkdir(const char * p
+@@ -1365,6 +1533,7 @@ asmlinkage long sys_mkdir(const char * p
dput(dentry);
}
up(&nd.dentry->d_inode->i_sem);
path_release(&nd);
out:
putname(tmp);
-@@ -1465,8 +1640,33 @@ asmlinkage long sys_rmdir(const char * p
+@@ -1465,8 +1634,16 @@ asmlinkage long sys_rmdir(const char * p
error = -EBUSY;
goto exit1;
}
-+ if (nd.dentry->d_inode->i_op->rmdir2) {
-+ struct inode_operations *op = nd.dentry->d_inode->i_op;
-+ struct dentry *last;
-+
-+ down(&nd.dentry->d_inode->i_sem);
-+ last = lookup_hash_it(&nd.last, nd.dentry, NULL);
-+ up(&nd.dentry->d_inode->i_sem);
-+ if (IS_ERR(last)) {
-+ error = PTR_ERR(last);
-+ goto exit1;
-+ }
-+ if (d_mountpoint(last)) {
-+ dput(last);
-+ error = -EBUSY;
-+ goto exit1;
-+ }
-+ dput(last);
++ if (nd.dentry->d_inode->i_op->rmdir_raw) {
++ struct inode_operations *op = nd.dentry->d_inode->i_op;
+
-+ error = op->rmdir2(nd.dentry->d_inode,
-+ nd.last.name,
-+ nd.last.len);
-+ /* the file system wants to use normal vfs path now */
-+ if (error != -EOPNOTSUPP)
-+ goto exit1;
-+ }
++ error = op->rmdir_raw(&nd);
++ /* the file system wants to use normal vfs path now */
++ if (error != -EOPNOTSUPP)
++ goto exit1;
++ }
down(&nd.dentry->d_inode->i_sem);
- dentry = lookup_hash(&nd.last, nd.dentry);
+ dentry = lookup_hash_it(&nd.last, nd.dentry, NULL);
error = PTR_ERR(dentry);
if (!IS_ERR(dentry)) {
error = vfs_rmdir(nd.dentry->d_inode, dentry);
-@@ -1524,8 +1724,17 @@ asmlinkage long sys_unlink(const char *
+@@ -1524,8 +1701,15 @@ asmlinkage long sys_unlink(const char *
error = -EISDIR;
if (nd.last_type != LAST_NORM)
goto exit1;
-+ if (nd.dentry->d_inode->i_op->unlink2) {
-+ struct inode_operations *op = nd.dentry->d_inode->i_op;
-+ error = op->unlink2(nd.dentry->d_inode,
-+ nd.last.name,
-+ nd.last.len);
-+ /* the file system wants to use normal vfs path now */
-+ if (error != -EOPNOTSUPP)
-+ goto exit1;
-+ }
++ if (nd.dentry->d_inode->i_op->unlink_raw) {
++ struct inode_operations *op = nd.dentry->d_inode->i_op;
++ error = op->unlink_raw(&nd);
++ /* the file system wants to use normal vfs path now */
++ if (error != -EOPNOTSUPP)
++ goto exit1;
++ }
down(&nd.dentry->d_inode->i_sem);
- dentry = lookup_hash(&nd.last, nd.dentry);
+ dentry = lookup_hash_it(&nd.last, nd.dentry, NULL);
error = PTR_ERR(dentry);
if (!IS_ERR(dentry)) {
/* Why not before? Because we want correct error value */
-@@ -1592,15 +1801,26 @@ asmlinkage long sys_symlink(const char *
+@@ -1592,15 +1776,23 @@ asmlinkage long sys_symlink(const char *
error = path_lookup(to, LOOKUP_PARENT, &nd);
if (error)
goto out;
- dentry = lookup_create(&nd, 0);
-+ if (nd.dentry->d_inode->i_op->symlink2) {
++ if (nd.dentry->d_inode->i_op->symlink_raw) {
+ struct inode_operations *op = nd.dentry->d_inode->i_op;
-+ error = op->symlink2(nd.dentry->d_inode,
-+ nd.last.name,
-+ nd.last.len,
-+ from);
++ error = op->symlink_raw(&nd, from);
+ /* the file system wants to use normal vfs path now */
+ if (error != -EOPNOTSUPP)
+ goto out2;
putname(to);
}
putname(from);
-@@ -1676,7 +1896,17 @@ asmlinkage long sys_link(const char * ol
+@@ -1676,7 +1868,14 @@ asmlinkage long sys_link(const char * ol
error = -EXDEV;
if (old_nd.mnt != nd.mnt)
goto out_release;
- new_dentry = lookup_create(&nd, 0);
-+ if (nd.dentry->d_inode->i_op->link2) {
++ if (nd.dentry->d_inode->i_op->link_raw) {
+ struct inode_operations *op = nd.dentry->d_inode->i_op;
-+ error = op->link2(old_nd.dentry->d_inode,
-+ nd.dentry->d_inode,
-+ nd.last.name,
-+ nd.last.len);
++ error = op->link_raw(&old_nd, &nd);
+ /* the file system wants to use normal vfs path now */
+ if (error != -EOPNOTSUPP)
+ 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);
-@@ -1720,7 +1950,8 @@ exit:
+@@ -1720,7 +1919,7 @@ exit:
* locking].
*/
int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
-+ struct inode *new_dir, struct dentry *new_dentry,
-+ struct lookup_intent *it)
++ struct inode *new_dir, struct dentry *new_dentry)
{
int error;
struct inode *target;
-@@ -1778,6 +2009,7 @@ int vfs_rename_dir(struct inode *old_dir
- error = -EBUSY;
- else
- error = old_dir->i_op->rename(old_dir, old_dentry, new_dir, new_dentry);
-+ intent_release(new_dentry, it);
- if (target) {
- if (!error)
- target->i_flags |= S_DEAD;
-@@ -1799,7 +2031,8 @@ out_unlock:
+@@ -1799,7 +1998,7 @@ out_unlock:
}
int vfs_rename_other(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
-+ struct inode *new_dir, struct dentry *new_dentry,
-+ struct lookup_intent *it)
++ struct inode *new_dir, struct dentry *new_dentry)
{
int error;
-@@ -1830,6 +2063,7 @@ int vfs_rename_other(struct inode *old_d
- error = -EBUSY;
- else
- error = old_dir->i_op->rename(old_dir, old_dentry, new_dir, new_dentry);
-+ intent_release(new_dentry, it);
- double_up(&old_dir->i_zombie, &new_dir->i_zombie);
- if (error)
- return error;
-@@ -1841,13 +2075,14 @@ int vfs_rename_other(struct inode *old_d
- }
-
- int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
-- struct inode *new_dir, struct dentry *new_dentry)
-+ struct inode *new_dir, struct dentry *new_dentry,
-+ struct lookup_intent *it)
- {
- int error;
- if (S_ISDIR(old_dentry->d_inode->i_mode))
-- error = vfs_rename_dir(old_dir,old_dentry,new_dir,new_dentry);
-+ error = vfs_rename_dir(old_dir,old_dentry,new_dir,new_dentry,it);
- else
-- error = vfs_rename_other(old_dir,old_dentry,new_dir,new_dentry);
-+ error = vfs_rename_other(old_dir,old_dentry,new_dir,new_dentry,it);
- if (!error) {
- if (old_dir == new_dir)
- inode_dir_notify(old_dir, DN_RENAME);
-@@ -1889,7 +2124,7 @@ static inline int do_rename(const char *
+@@ -1887,9 +2086,18 @@ static inline int do_rename(const char *
+ if (newnd.last_type != LAST_NORM)
+ goto exit2;
++ if (old_dir->d_inode->i_op->rename_raw) {
++ lock_kernel();
++ error = old_dir->d_inode->i_op->rename_raw(&oldnd, &newnd);
++ unlock_kernel();
++ /* the file system wants to use normal vfs path now */
++ if (error != -EOPNOTSUPP)
++ goto exit2;
++ }
++
double_lock(new_dir, old_dir);
- old_dentry = lookup_hash(&oldnd.last, old_dir);
error = PTR_ERR(old_dentry);
if (IS_ERR(old_dentry))
goto exit3;
-@@ -1905,16 +2140,37 @@ static inline int do_rename(const char *
+@@ -1905,16 +2113,16 @@ static inline int do_rename(const char *
if (newnd.last.name[newnd.last.len])
goto exit4;
}
if (IS_ERR(new_dentry))
goto exit4;
-+ if (old_dir->d_inode->i_op->rename2) {
-+ lock_kernel();
-+ /* don't rename mount point. mds will take care of
-+ * the rest sanity checking */
-+ if (d_mountpoint(old_dentry)||d_mountpoint(new_dentry)) {
-+ error = -EBUSY;
-+ goto exit5;
-+ }
-+
-+ error = old_dir->d_inode->i_op->rename2(old_dir->d_inode,
-+ new_dir->d_inode,
-+ oldnd.last.name,
-+ oldnd.last.len,
-+ newnd.last.name,
-+ newnd.last.len);
-+ unlock_kernel();
-+ /* the file system wants to use normal vfs path now */
-+ if (error != -EOPNOTSUPP)
-+ goto exit5;
-+ }
+
lock_kernel();
error = vfs_rename(old_dir->d_inode, old_dentry,
-- new_dir->d_inode, new_dentry);
-+ new_dir->d_inode, new_dentry, NULL);
+ new_dir->d_inode, new_dentry);
unlock_kernel();
-
-+exit5:
dput(new_dentry);
exit4:
dput(old_dentry);
-@@ -1965,20 +2221,28 @@ out:
+@@ -1965,20 +2173,28 @@ out:
}
static inline int
out:
if (current->link_count || res || nd->last_type!=LAST_NORM)
return res;
-@@ -2002,7 +2266,13 @@ fail:
+@@ -2002,7 +2218,13 @@ fail:
int vfs_follow_link(struct nameidata *nd, const char *link)
{
}
/* get the link contents into pagecache */
-@@ -2044,7 +2314,7 @@ int page_follow_link(struct dentry *dent
+@@ -2044,7 +2266,7 @@ 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);
---- linux-2.4.20-rh/fs/nfsd/vfs.c~vfs_intent-2.4.20-rh 2003-04-11 14:04:48.000000000 +0800
-+++ linux-2.4.20-rh-root/fs/nfsd/vfs.c 2003-06-09 23:18:07.000000000 +0800
-@@ -1293,7 +1293,7 @@ nfsd_rename(struct svc_rqst *rqstp, stru
- err = nfserr_perm;
- } else
- #endif
-- err = vfs_rename(fdir, odentry, tdir, ndentry);
-+ err = vfs_rename(fdir, odentry, tdir, ndentry, NULL);
- if (!err && EX_ISSYNC(tfhp->fh_export)) {
- nfsd_sync_dir(tdentry);
- nfsd_sync_dir(fdentry);
---- linux-2.4.20-rh/fs/open.c~vfs_intent-2.4.20-rh 2003-04-11 14:04:57.000000000 +0800
-+++ linux-2.4.20-rh-root/fs/open.c 2003-06-09 23:18:07.000000000 +0800
+--- linux-2.4.20/fs/open.c~vfs_intent-2.4.20-rh 2003-07-17 08:32:45.000000000 -0700
++++ linux-2.4.20-mmonroe/fs/open.c 2003-07-17 08:35:22.000000000 -0700
@@ -19,6 +19,8 @@
#include <asm/uaccess.h>
int error;
struct iattr newattrs;
-@@ -108,7 +111,14 @@ int do_truncate(struct dentry *dentry, l
+@@ -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;
+ newattrs.ia_valid |= ATTR_FROM_OPEN;
+ if (op->setattr_raw) {
+ newattrs.ia_valid |= ATTR_RAW;
-+ newattrs.ia_ctime = CURRENT_TIME;
+ error = op->setattr_raw(inode, &newattrs);
-+ } else
++ } else
+ error = notify_change(dentry, &newattrs);
up(&inode->i_sem);
return error;
}
-@@ -118,12 +128,13 @@ static inline long do_sys_truncate(const
+@@ -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 +174,13 @@ static inline long do_sys_truncate(const
+@@ -163,11 +173,13 @@ static inline long do_sys_truncate(const
error = locks_verify_truncate(inode, NULL, length);
if (!error) {
DQUOT_INIT(inode);
- error = do_truncate(nd.dentry, length);
-+ intent_release(nd.dentry, &it);
++ intent_release(&it);
+ error = do_truncate(nd.dentry, length, 0);
}
put_write_access(inode);
dput_and_out:
-+ intent_release(nd.dentry, &it);
++ intent_release(&it);
path_release(&nd);
out:
return error;
-@@ -215,7 +228,7 @@ static inline long do_sys_ftruncate(unsi
+@@ -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 +273,13 @@ asmlinkage long sys_utime(char * filenam
+@@ -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 +294,29 @@ asmlinkage long sys_utime(char * filenam
+@@ -279,11 +293,25 @@ asmlinkage long sys_utime(char * filenam
goto dput_and_out;
newattrs.ia_valid |= ATTR_ATIME_SET | ATTR_MTIME_SET;
+ goto dput_and_out;
+ }
+
-+ error = -EROFS;
-+ if (IS_RDONLY(inode))
-+ goto dput_and_out;
-+
+ error = -EPERM;
+ if (!times) {
if (current->fsuid != inode->i_uid &&
error = notify_change(nd.dentry, &newattrs);
dput_and_out:
path_release(&nd);
-@@ -304,12 +337,14 @@ asmlinkage long sys_utimes(char * filena
+@@ -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 +359,20 @@ asmlinkage long sys_utimes(char * filena
+@@ -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 +395,7 @@ asmlinkage long sys_access(const char *
+@@ -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 +413,14 @@ asmlinkage long sys_access(const char *
+@@ -364,13 +408,14 @@ asmlinkage long sys_access(const char *
else
current->cap_effective = current->cap_permitted;
if(!res && (mode & S_IWOTH) && IS_RDONLY(nd.dentry->d_inode)
&& !special_file(nd.dentry->d_inode->i_mode))
res = -EROFS;
-+ intent_release(nd.dentry, &it);
++ intent_release(&it);
path_release(&nd);
}
-@@ -385,8 +435,9 @@ asmlinkage long sys_chdir(const char * f
+@@ -385,8 +430,9 @@ asmlinkage long sys_chdir(const char * f
{
int error;
struct nameidata nd;
if (error)
goto out;
-@@ -397,6 +448,7 @@ asmlinkage long sys_chdir(const char * f
+@@ -397,6 +443,7 @@ asmlinkage long sys_chdir(const char * f
set_fs_pwd(current->fs, nd.mnt, nd.dentry);
dput_and_out:
-+ intent_release(nd.dentry, &it);
++ intent_release(&it);
path_release(&nd);
out:
return error;
-@@ -436,9 +488,10 @@ asmlinkage long sys_chroot(const char *
+@@ -436,9 +483,10 @@ asmlinkage long sys_chroot(const char *
{
int error;
struct nameidata nd;
if (error)
goto out;
-@@ -454,6 +507,7 @@ asmlinkage long sys_chroot(const char *
+@@ -454,6 +502,7 @@ asmlinkage long sys_chroot(const char *
set_fs_altroot();
error = 0;
dput_and_out:
-+ intent_release(nd.dentry, &it);
++ intent_release(&it);
path_release(&nd);
out:
return error;
-@@ -508,6 +562,18 @@ asmlinkage long sys_chmod(const char * f
+@@ -508,6 +557,18 @@ asmlinkage long sys_chmod(const char * f
if (IS_RDONLY(inode))
goto dput_and_out;
error = -EPERM;
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
goto dput_and_out;
-@@ -538,6 +604,20 @@ static int chown_common(struct dentry *
+@@ -538,6 +599,20 @@ static int chown_common(struct dentry *
error = -EROFS;
if (IS_RDONLY(inode))
goto out;
+
+ newattrs.ia_uid = user;
+ newattrs.ia_gid = group;
-+ newattrs.ia_valid = ATTR_UID | ATTR_GID;
++ newattrs.ia_valid = ATTR_UID | ATTR_GID | ATTR_CTIME;
+ newattrs.ia_valid |= ATTR_RAW;
+ error = op->setattr_raw(inode, &newattrs);
+ /* the file system wants to use normal vfs path now */
error = -EPERM;
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
goto out;
-@@ -642,6 +722,7 @@ struct file *filp_open(const char * file
+@@ -642,8 +717,9 @@ struct file *filp_open(const char * file
{
int namei_flags, error;
struct nameidata nd;
-+ struct lookup_intent it = { .it_op = IT_OPEN, .it_flags = flags };
-
- flags &= ~O_DIRECT;
+-
+- flags &= ~O_DIRECT;
++ struct lookup_intent it = { .it_op = IT_OPEN, .it_flags = flags };
++
++ //flags &= ~O_DIRECT;
-@@ -651,14 +732,15 @@ struct file *filp_open(const char * file
+ namei_flags = flags;
+ if ((namei_flags+1) & O_ACCMODE)
+@@ -651,14 +727,15 @@ struct file *filp_open(const char * file
if (namei_flags & O_TRUNC)
namei_flags |= 2;
{
struct file * f;
struct inode *inode;
-@@ -701,6 +783,7 @@ struct file *dentry_open(struct dentry *
+@@ -695,12 +772,15 @@ struct file *dentry_open(struct dentry *
+ }
+
+ if (f->f_op && f->f_op->open) {
++ f->f_it = it;
+ error = f->f_op->open(inode,f);
++ f->f_it = NULL;
+ if (error)
+ goto cleanup_all;
}
f->f_flags &= ~(O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC);
-+ intent_release(dentry, it);
++ intent_release(it);
return f;
cleanup_all:
-@@ -715,11 +798,17 @@ cleanup_all:
+@@ -715,11 +795,17 @@ cleanup_all:
cleanup_file:
put_filp(f);
cleanup_dentry:
-+ intent_release(dentry, it);
++ intent_release(it);
dput(dentry);
mntput(mnt);
return ERR_PTR(error);
/*
* Find an empty file descriptor entry, and mark it busy.
*/
---- linux-2.4.20-rh/fs/stat.c~vfs_intent-2.4.20-rh 2003-04-11 14:05:08.000000000 +0800
-+++ linux-2.4.20-rh-root/fs/stat.c 2003-06-09 23:18:07.000000000 +0800
-@@ -110,11 +110,13 @@ static int do_getattr(struct vfsmount *m
- int vfs_stat(char *name, struct kstat *stat)
+--- linux-2.4.20/fs/stat.c~vfs_intent-2.4.20-rh 2003-07-17 08:33:05.000000000 -0700
++++ linux-2.4.20-mmonroe/fs/stat.c 2003-07-17 08:51:33.000000000 -0700
+@@ -17,10 +17,12 @@
+ * Revalidate the inode. This is required for proper NFS attribute caching.
+ */
+ static __inline__ int
+-do_revalidate(struct dentry *dentry)
++do_revalidate(struct dentry *dentry, struct lookup_intent *it)
+ {
+ struct inode * inode = dentry->d_inode;
+- if (inode->i_op && inode->i_op->revalidate)
++ if (inode->i_op && inode->i_op->revalidate_it)
++ return inode->i_op->revalidate_it(dentry, it);
++ else if (inode->i_op && inode->i_op->revalidate)
+ return inode->i_op->revalidate(dentry);
+ return 0;
+ }
+@@ -32,13 +34,13 @@ static inline nlink_t user_nlink(struct
+ return inode->i_nlink;
+ }
+
+-static int do_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
++static int do_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat, struct lookup_intent *it)
+ {
+ int res = 0;
+ unsigned int blocks, indirect;
+ struct inode *inode = dentry->d_inode;
+
+- res = do_revalidate(dentry);
++ res = do_revalidate(dentry, it);
+ if (res)
+ return res;
+
+@@ -111,10 +113,12 @@ int vfs_stat(char *name, struct kstat *s
{
struct nameidata nd;
-+ struct lookup_intent it = { .it_op = IT_GETATTR };
int error;
++ struct lookup_intent it = { .it_op = IT_GETATTR };
- error = user_path_walk(name, &nd);
-+ error = user_path_walk_it(name, &nd, &it);
++ error = user_path_walk_it(name, &nd, &it);
if (!error) {
- error = do_getattr(nd.mnt, nd.dentry, stat);
-+ intent_release(nd.dentry, &it);
+- error = do_getattr(nd.mnt, nd.dentry, stat);
++ error = do_getattr(nd.mnt, nd.dentry, stat, &it);
++ intent_release(&it);
path_release(&nd);
}
return error;
-@@ -123,11 +125,13 @@ int vfs_stat(char *name, struct kstat *s
- int vfs_lstat(char *name, struct kstat *stat)
+@@ -124,10 +128,12 @@ int vfs_lstat(char *name, struct kstat *
{
struct nameidata nd;
-+ struct lookup_intent it = { .it_op = IT_GETATTR };
int error;
++ struct lookup_intent it = { .it_op = IT_GETATTR };
- error = user_path_walk_link(name, &nd);
-+ error = user_path_walk_link_it(name, &nd, &it);
++ error = user_path_walk_link_it(name, &nd, &it);
if (!error) {
- error = do_getattr(nd.mnt, nd.dentry, stat);
-+ intent_release(nd.dentry, &it);
+- error = do_getattr(nd.mnt, nd.dentry, stat);
++ error = do_getattr(nd.mnt, nd.dentry, stat, &it);
++ intent_release(&it);
path_release(&nd);
}
return error;
---- linux-2.4.20-rh/include/linux/dcache.h~vfs_intent-2.4.20-rh 2003-04-12 15:46:39.000000000 +0800
-+++ linux-2.4.20-rh-root/include/linux/dcache.h 2003-06-09 23:18:07.000000000 +0800
-@@ -7,6 +7,28 @@
+@@ -139,7 +145,7 @@ int vfs_fstat(unsigned int fd, struct ks
+ int error = -EBADF;
+
+ if (f) {
+- error = do_getattr(f->f_vfsmnt, f->f_dentry, stat);
++ error = do_getattr(f->f_vfsmnt, f->f_dentry, stat, NULL);
+ fput(f);
+ }
+ return error;
+@@ -286,7 +292,7 @@ asmlinkage long sys_readlink(const char
+
+ error = -EINVAL;
+ if (inode->i_op && inode->i_op->readlink &&
+- !(error = do_revalidate(nd.dentry))) {
++ !(error = do_revalidate(nd.dentry, NULL))) {
+ UPDATE_ATIME(inode);
+ error = inode->i_op->readlink(nd.dentry, buf, bufsiz);
+ }
+--- linux-2.4.20/include/linux/dcache.h~vfs_intent-2.4.20-rh 2003-07-17 08:32:48.000000000 -0700
++++ linux-2.4.20-mmonroe/include/linux/dcache.h 2003-07-17 08:35:22.000000000 -0700
+@@ -6,6 +6,45 @@
+ #include <asm/atomic.h>
#include <linux/mount.h>
#include <linux/kernel.h>
-
-+#define IT_OPEN (1)
-+#define IT_CREAT (1<<1)
-+#define IT_READDIR (1<<2)
-+#define IT_GETATTR (1<<3)
-+#define IT_LOOKUP (1<<4)
-+#define IT_UNLINK (1<<5)
++#include <linux/string.h>
++
++#define IT_OPEN 0x0001
++#define IT_CREAT 0x0002
++#define IT_READDIR 0x0004
++#define IT_GETATTR 0x0008
++#define IT_LOOKUP 0x0010
++#define IT_UNLINK 0x0020
++#define IT_GETXATTR 0x0040
++#define IT_EXEC 0x0080
++#define IT_PIN 0x0100
+
-+#define IT_FL_LOCKED (1)
-+#define IT_FL_FOLLOWED (1<<1) /* set by vfs_follow_link */
++#define IT_FL_LOCKED 0x0001
++#define IT_FL_FOLLOWED 0x0002 /* set by vfs_follow_link */
++
++#define INTENT_MAGIC 0x19620323
+
+struct lookup_intent {
+ int it_op;
++ void (*it_op_release)(struct lookup_intent *);
++ int it_magic;
+ int it_mode;
+ int it_flags;
+ int it_disposition;
+ void *it_data;
+};
+
++static inline void intent_init(struct lookup_intent *it, int op, int flags)
++{
++ memset(it, 0, sizeof(*it));
++ it->it_magic = INTENT_MAGIC;
++ it->it_op = op;
++ it->it_flags = flags;
++}
++
+
/*
* linux/include/linux/dcache.h
- *
-@@ -82,6 +104,7 @@ struct dentry {
- unsigned long d_time; /* used by d_revalidate */
- struct dentry_operations *d_op;
- struct super_block * d_sb; /* The root of the dentry tree */
-+ struct lookup_intent *d_it;
- unsigned long d_vfs_flags;
- void * d_fsdata; /* fs-specific data */
- void * d_extra_attributes; /* TUX-specific data */
-@@ -96,8 +119,15 @@ struct dentry_operations {
+@@ -96,8 +135,22 @@ struct dentry_operations {
int (*d_delete)(struct dentry *);
void (*d_release)(struct dentry *);
void (*d_iput)(struct dentry *, struct inode *);
-+ int (*d_revalidate2)(struct dentry *, int, struct lookup_intent *);
-+ void (*d_intent_release)(struct dentry *, struct lookup_intent *);
++ int (*d_revalidate_it)(struct dentry *, int, struct lookup_intent *);
++ void (*d_pin)(struct dentry *, struct vfsmount * , int);
++ void (*d_unpin)(struct dentry *, struct vfsmount *, int);
};
++#define PIN(de,mnt,flag) if (de->d_op && de->d_op->d_pin) \
++ de->d_op->d_pin(de, mnt, flag);
++#define UNPIN(de,mnt,flag) if (de->d_op && de->d_op->d_unpin) \
++ de->d_op->d_unpin(de, mnt, flag);
++
++
+/* defined in fs/namei.c */
-+extern void intent_release(struct dentry *de, struct lookup_intent *it);
++extern void intent_release(struct lookup_intent *it);
+/* defined in fs/dcache.c */
+extern void __d_rehash(struct dentry * entry, int lock);
+
/* 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
-@@ -129,6 +159,7 @@ d_iput: no no yes
+@@ -129,6 +182,7 @@ 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;
---- linux-2.4.20-rh/include/linux/fs.h~vfs_intent-2.4.20-rh 2003-05-30 02:07:39.000000000 +0800
-+++ linux-2.4.20-rh-root/include/linux/fs.h 2003-06-09 23:18:07.000000000 +0800
-@@ -337,6 +337,8 @@ extern void set_bh_page(struct buffer_he
+--- linux-2.4.20/include/linux/fs.h~vfs_intent-2.4.20-rh 2003-07-17 08:34:44.000000000 -0700
++++ linux-2.4.20-mmonroe/include/linux/fs.h 2003-07-17 08:35:22.000000000 -0700
+@@ -337,6 +337,9 @@ 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
-+#define ATTR_RAW 2048 /* file system, not vfs will massage attrs */
-+#define ATTR_FROM_OPEN 4096 /* called from open path, ie O_TRUNC */
++#define ATTR_RAW 0x0800 /* file system, not vfs will massage attrs */
++#define ATTR_FROM_OPEN 0x1000 /* called from open path, ie O_TRUNC */
++#define ATTR_CTIME_SET 0x2000
/*
* This is the Inode Attributes structure, used for notify_change(). It
-@@ -574,6 +576,7 @@ struct file {
+@@ -574,6 +577,7 @@ struct file {
/* needed for tty driver, and maybe others */
void *private_data;
-+ struct lookup_intent *f_intent;
++ struct lookup_intent *f_it;
/* preallocated helper kiobuf to speedup O_DIRECT */
struct kiobuf *f_iobuf;
-@@ -701,6 +704,7 @@ struct nameidata {
+@@ -701,6 +705,7 @@ struct nameidata {
struct qstr last;
unsigned int flags;
int last_type;
};
/*
-@@ -821,7 +825,9 @@ extern int vfs_symlink(struct inode *, s
+@@ -821,7 +826,8 @@ 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 *);
-extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *);
+int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
-+ struct inode *new_dir, struct dentry *new_dentry,
-+ struct lookup_intent *it);
++ struct inode *new_dir, struct dentry *new_dentry);
/*
* File types
-@@ -882,20 +888,33 @@ struct file_operations {
+@@ -881,21 +887,32 @@ struct file_operations {
+
struct inode_operations {
int (*create) (struct inode *,struct dentry *,int);
++ int (*create_it) (struct inode *,struct dentry *,int, struct lookup_intent *);
struct dentry * (*lookup) (struct inode *,struct dentry *);
-+ struct dentry * (*lookup2) (struct inode *,struct dentry *, struct lookup_intent *);
++ struct dentry * (*lookup_it) (struct inode *,struct dentry *, struct lookup_intent *, int flags);
int (*link) (struct dentry *,struct inode *,struct dentry *);
-+ int (*link2) (struct inode *,struct inode *, const char *, int);
++ int (*link_raw) (struct nameidata *,struct nameidata *);
int (*unlink) (struct inode *,struct dentry *);
-+ int (*unlink2) (struct inode *, const char *, int);
++ int (*unlink_raw) (struct nameidata *);
int (*symlink) (struct inode *,struct dentry *,const char *);
-+ int (*symlink2) (struct inode *, const char *, int, const char *);
++ int (*symlink_raw) (struct nameidata *,const char *);
int (*mkdir) (struct inode *,struct dentry *,int);
-+ int (*mkdir2) (struct inode *, const char *, int,int);
++ int (*mkdir_raw) (struct nameidata *,int);
int (*rmdir) (struct inode *,struct dentry *);
-+ int (*rmdir2) (struct inode *, const char *, int);
++ int (*rmdir_raw) (struct nameidata *);
int (*mknod) (struct inode *,struct dentry *,int,int);
-+ int (*mknod2) (struct inode *, const char *, int,int,int);
++ int (*mknod_raw) (struct nameidata *,int,dev_t);
int (*rename) (struct inode *, struct dentry *,
struct inode *, struct dentry *);
-+ int (*rename2) (struct inode *, struct inode *,
-+ const char *oldname, int oldlen,
-+ const char *newname, int newlen);
++ int (*rename_raw) (struct nameidata *, struct nameidata *);
int (*readlink) (struct dentry *, char *,int);
int (*follow_link) (struct dentry *, struct nameidata *);
-+ int (*follow_link2) (struct dentry *, struct nameidata *,
-+ struct lookup_intent *it);
void (*truncate) (struct inode *);
int (*permission) (struct inode *, int);
int (*revalidate) (struct dentry *);
++ int (*revalidate_it) (struct dentry *, struct lookup_intent *);
int (*setattr) (struct dentry *, struct iattr *);
-+ int (*setattr_raw) (struct inode *, struct iattr *);
++ int (*setattr_raw) (struct inode *, struct iattr *);
int (*getattr) (struct dentry *, struct iattr *);
int (*setxattr) (struct dentry *, const char *, void *, size_t, int);
ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t);
-@@ -1091,10 +1110,14 @@ static inline int get_lease(struct inode
+@@ -1091,10 +1108,14 @@ 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 *);
-@@ -1385,6 +1408,7 @@ typedef int (*read_actor_t)(read_descrip
+@@ -1385,6 +1406,7 @@ 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(path_init(const char *, unsigned, struct nameidata *));
extern int FASTCALL(path_walk(const char *, struct nameidata *));
extern int FASTCALL(path_lookup(const char *, unsigned, struct nameidata *));
-@@ -1396,6 +1420,8 @@ extern struct dentry * lookup_one_len(co
+@@ -1396,6 +1418,8 @@ 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 +1521,8 @@ extern struct file_operations generic_ro
+@@ -1497,6 +1521,8 @@ 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;
---- linux-2.4.20-rh/kernel/ksyms.c~vfs_intent-2.4.20-rh 2003-05-30 02:07:42.000000000 +0800
-+++ linux-2.4.20-rh-root/kernel/ksyms.c 2003-06-09 23:18:07.000000000 +0800
+--- linux-2.4.20/kernel/ksyms.c~vfs_intent-2.4.20-rh 2003-07-17 08:34:45.000000000 -0700
++++ linux-2.4.20-mmonroe/kernel/ksyms.c 2003-07-17 08:35:22.000000000 -0700
@@ -298,6 +298,7 @@ EXPORT_SYMBOL(read_cache_page);
EXPORT_SYMBOL(set_page_dirty);
EXPORT_SYMBOL(vfs_readlink);
EXPORT_SYMBOL(page_readlink);
EXPORT_SYMBOL(page_follow_link);
EXPORT_SYMBOL(page_symlink_inode_operations);
---- linux-2.4.20-rh/fs/exec.c~vfs_intent-2.4.20-rh 2003-04-13 10:07:02.000000000 +0800
-+++ linux-2.4.20-rh-root/fs/exec.c 2003-06-09 23:18:07.000000000 +0800
+--- linux-2.4.20/fs/exec.c~vfs_intent-2.4.20-rh 2003-07-17 08:33:09.000000000 -0700
++++ linux-2.4.20-mmonroe/fs/exec.c 2003-07-17 08:35:22.000000000 -0700
@@ -114,8 +114,9 @@ asmlinkage long sys_uselib(const char *
struct file * file;
struct nameidata nd;
int error;
--
++ struct lookup_intent it = { .it_op = IT_OPEN, .it_flags = O_RDONLY };
+
- error = user_path_walk(library, &nd);
-+ struct lookup_intent it = { .it_op = IT_OPEN, .it_flags = O_RDONLY };
-+
-+ error = user_path_walk_it(library, &nd, &it);
++ error = user_path_walk_it(library, &nd, &it);
if (error)
goto out;
goto exit;
- file = dentry_open(nd.dentry, nd.mnt, O_RDONLY);
-+ file = dentry_open_it(nd.dentry, nd.mnt, O_RDONLY, &it);
-+ intent_release(nd.dentry, &it);
++ file = dentry_open_it(nd.dentry, nd.mnt, O_RDONLY, &it);
++ intent_release(&it);
error = PTR_ERR(file);
if (IS_ERR(file))
goto out;
struct inode *inode;
struct file *file;
int err = 0;
--
-- err = path_lookup(name, LOOKUP_FOLLOW|LOOKUP_POSITIVE, &nd);
+ struct lookup_intent it = { .it_op = IT_OPEN, .it_flags = O_RDONLY };
-+
+
+- err = path_lookup(name, LOOKUP_FOLLOW|LOOKUP_POSITIVE, &nd);
+ err = path_lookup_it(name, LOOKUP_FOLLOW|LOOKUP_POSITIVE, &nd, &it);
file = ERR_PTR(err);
if (!err) {
inode = nd.dentry->d_inode;
-@@ -395,7 +398,7 @@ struct file *open_exec(const char *name)
+@@ -395,7 +398,8 @@ struct file *open_exec(const char *name)
err = -EACCES;
file = ERR_PTR(err);
if (!err) {
- file = dentry_open(nd.dentry, nd.mnt, O_RDONLY);
-+ file = dentry_open_it(nd.dentry, nd.mnt, O_RDONLY, &it);
++ file = dentry_open_it(nd.dentry, nd.mnt, O_RDONLY, &it);
++ intent_release(&it);
if (!IS_ERR(file)) {
err = deny_write_access(file);
if (err) {
-@@ -404,6 +407,7 @@ struct file *open_exec(const char *name)
- }
- }
- out:
-+ intent_release(nd.dentry, &it);
+@@ -407,6 +411,7 @@ out:
return file;
}
}
-@@ -1283,7 +1287,7 @@ int do_coredump(long signr, int exit_cod
++ intent_release(&it);
+ path_release(&nd);
+ }
+ goto out;
+@@ -1283,7 +1288,7 @@ int do_coredump(long signr, int exit_cod
goto close_fail;
if (!file->f_op->write)
goto close_fail;
goto close_fail;
retval = binfmt->core_dump(signr, regs, file);
---- linux-2.4.20-rh/fs/proc/base.c~vfs_intent-2.4.20-rh 2003-06-09 23:16:51.000000000 +0800
-+++ linux-2.4.20-rh-root/fs/proc/base.c 2003-06-09 23:18:52.000000000 +0800
+--- linux-2.4.20/fs/proc/base.c~vfs_intent-2.4.20-rh 2003-07-17 08:33:05.000000000 -0700
++++ linux-2.4.20-mmonroe/fs/proc/base.c 2003-07-17 08:35:22.000000000 -0700
@@ -464,6 +464,9 @@ static int proc_pid_follow_link(struct d
error = inode->u.proc_i.op.proc_get_link(inode, &nd->dentry, &nd->mnt);
nd->last_type = LAST_BIND;
+
-+ if (nd->it != NULL)
-+ nd->it->it_int_flags |= IT_FL_FOLLOWED;
++ if (nd->it != NULL)
++ nd->it->it_int_flags |= IT_FL_FOLLOWED;
out:
return error;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff