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Subject[RFC 10/28] Add a struct vfsmount parameter to vfs_symlink()
Add a struct vfsmount parameter to vfs_symlink()

Signed-off-by: Tony Jones <tonyj@suse.de>
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>

Index: linux-2.6/fs/ecryptfs/inode.c
===================================================================
--- linux-2.6.orig/fs/ecryptfs/inode.c
+++ linux-2.6/fs/ecryptfs/inode.c
@@ -462,6 +462,7 @@ static int ecryptfs_symlink(struct inode
{
int rc;
struct dentry *lower_dentry;
+ struct vfsmount *lower_mnt;
struct dentry *lower_dir_dentry;
umode_t mode;
char *encoded_symname;
@@ -470,6 +471,7 @@ static int ecryptfs_symlink(struct inode

lower_dentry = ecryptfs_dentry_to_lower(dentry);
dget(lower_dentry);
+ lower_mnt = ecryptfs_dentry_to_lower_mnt(dentry);
lower_dir_dentry = lock_parent(lower_dentry);
mode = S_IALLUGO;
encoded_symlen = ecryptfs_encode_filename(crypt_stat, symname,
@@ -479,7 +481,7 @@ static int ecryptfs_symlink(struct inode
rc = encoded_symlen;
goto out_lock;
}
- rc = vfs_symlink(lower_dir_dentry->d_inode, lower_dentry,
+ rc = vfs_symlink(lower_dir_dentry->d_inode, lower_dentry, lower_mnt,
encoded_symname, mode);
kfree(encoded_symname);
if (rc || !lower_dentry->d_inode)
Index: linux-2.6/fs/namei.c
===================================================================
--- linux-2.6.orig/fs/namei.c
+++ linux-2.6/fs/namei.c
@@ -2185,7 +2185,8 @@ asmlinkage long sys_unlink(const char __
return do_unlinkat(AT_FDCWD, pathname);
}

-int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname, int mode)
+int vfs_symlink(struct inode *dir, struct dentry *dentry, struct vfsmount *mnt,
+ const char *oldname, int mode)
{
int error = may_create(dir, dentry, NULL);

@@ -2231,7 +2232,8 @@ asmlinkage long sys_symlinkat(const char
if (IS_ERR(dentry))
goto out_unlock;

- error = vfs_symlink(nd.dentry->d_inode, dentry, from, S_IALLUGO);
+ error = vfs_symlink(nd.dentry->d_inode, dentry, nd.mnt, from,
+ S_IALLUGO);
dput(dentry);
out_unlock:
mutex_unlock(&nd.dentry->d_inode->i_mutex);
Index: linux-2.6/fs/nfsd/vfs.c
===================================================================
--- linux-2.6.orig/fs/nfsd/vfs.c
+++ linux-2.6/fs/nfsd/vfs.c
@@ -1463,11 +1463,12 @@ nfsd_symlink(struct svc_rqst *rqstp, str
else {
strncpy(path_alloced, path, plen);
path_alloced[plen] = 0;
- host_err = vfs_symlink(dentry->d_inode, dnew, path_alloced, mode);
+ host_err = vfs_symlink(dentry->d_inode, dnew, NULL,
+ path_alloced, mode);
kfree(path_alloced);
}
} else
- host_err = vfs_symlink(dentry->d_inode, dnew, path, mode);
+ host_err = vfs_symlink(dentry->d_inode, dnew, NULL, path, mode);

if (!host_err) {
if (EX_ISSYNC(fhp->fh_export))
Index: linux-2.6/include/linux/fs.h
===================================================================
--- linux-2.6.orig/include/linux/fs.h
+++ linux-2.6/include/linux/fs.h
@@ -981,7 +981,7 @@ extern int vfs_permission(struct nameida
extern int vfs_create(struct inode *, struct dentry *, int, struct nameidata *);
extern int vfs_mkdir(struct inode *, struct dentry *, struct vfsmount *, int);
extern int vfs_mknod(struct inode *, struct dentry *, struct vfsmount *, int, dev_t);
-extern int vfs_symlink(struct inode *, struct dentry *, const char *, int);
+extern int vfs_symlink(struct inode *, struct dentry *, struct vfsmount *, const char *, int);
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 *);
-
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