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Subject[RFC 19/28] Add struct vfsmount parameters to vfs_rename()
Add struct vfsmount parameters to vfs_rename()

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
@@ -590,19 +590,24 @@ ecryptfs_rename(struct inode *old_dir, s
{
int rc;
struct dentry *lower_old_dentry;
+ struct vfsmount *lower_old_mnt;
struct dentry *lower_new_dentry;
+ struct vfsmount *lower_new_mnt;
struct dentry *lower_old_dir_dentry;
struct dentry *lower_new_dir_dentry;

lower_old_dentry = ecryptfs_dentry_to_lower(old_dentry);
+ lower_old_mnt = ecryptfs_dentry_to_lower_mnt(old_dentry);
lower_new_dentry = ecryptfs_dentry_to_lower(new_dentry);
+ lower_new_mnt = ecryptfs_dentry_to_lower_mnt(new_dentry);
dget(lower_old_dentry);
dget(lower_new_dentry);
lower_old_dir_dentry = dget_parent(lower_old_dentry);
lower_new_dir_dentry = dget_parent(lower_new_dentry);
lock_rename(lower_old_dir_dentry, lower_new_dir_dentry);
rc = vfs_rename(lower_old_dir_dentry->d_inode, lower_old_dentry,
- lower_new_dir_dentry->d_inode, lower_new_dentry);
+ lower_old_mnt, lower_new_dir_dentry->d_inode,
+ lower_new_dentry, lower_new_mnt);
if (rc)
goto out_lock;
fsstack_copy_attr_all(new_dir, lower_new_dir_dentry->d_inode, NULL);
Index: linux-2.6/fs/namei.c
===================================================================
--- linux-2.6.orig/fs/namei.c
+++ linux-2.6/fs/namei.c
@@ -2382,7 +2382,8 @@ asmlinkage long sys_link(const char __us
* locking].
*/
static int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct vfsmount *old_mnt, struct inode *new_dir,
+ struct dentry *new_dentry, struct vfsmount *new_mnt)
{
int error = 0;
struct inode *target;
@@ -2425,7 +2426,8 @@ static int vfs_rename_dir(struct inode *
}

static int vfs_rename_other(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct vfsmount *old_mnt, struct inode *new_dir,
+ struct dentry *new_dentry, struct vfsmount *new_mnt)
{
struct inode *target;
int error;
@@ -2453,7 +2455,8 @@ static int vfs_rename_other(struct inode
}

int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct vfsmount *old_mnt, struct inode *new_dir,
+ struct dentry *new_dentry, struct vfsmount *new_mnt)
{
int error;
int is_dir = S_ISDIR(old_dentry->d_inode->i_mode);
@@ -2482,9 +2485,11 @@ int vfs_rename(struct inode *old_dir, st
old_name = fsnotify_oldname_init(old_dentry->d_name.name);

if (is_dir)
- error = vfs_rename_dir(old_dir,old_dentry,new_dir,new_dentry);
+ error = vfs_rename_dir(old_dir, old_dentry, old_mnt,
+ new_dir, new_dentry, new_mnt);
else
- error = vfs_rename_other(old_dir,old_dentry,new_dir,new_dentry);
+ error = vfs_rename_other(old_dir, old_dentry, old_mnt,
+ new_dir, new_dentry, new_mnt);
if (!error) {
const char *new_name = old_dentry->d_name.name;
fsnotify_move(old_dir, new_dir, old_name, new_name, is_dir,
@@ -2556,8 +2561,8 @@ static int do_rename(int olddfd, const c
if (new_dentry == trap)
goto exit5;

- error = vfs_rename(old_dir->d_inode, old_dentry,
- new_dir->d_inode, new_dentry);
+ error = vfs_rename(old_dir->d_inode, old_dentry, oldnd.mnt,
+ new_dir->d_inode, new_dentry, newnd.mnt);
exit5:
dput(new_dentry);
exit4:
Index: linux-2.6/fs/nfsd/vfs.c
===================================================================
--- linux-2.6.orig/fs/nfsd/vfs.c
+++ linux-2.6/fs/nfsd/vfs.c
@@ -1620,7 +1620,7 @@ nfsd_rename(struct svc_rqst *rqstp, stru
host_err = -EPERM;
} else
#endif
- host_err = vfs_rename(fdir, odentry, tdir, ndentry);
+ host_err = vfs_rename(fdir, odentry, NULL, tdir, ndentry, NULL);
if (!host_err && EX_ISSYNC(tfhp->fh_export)) {
host_err = nfsd_sync_dir(tdentry);
if (!host_err)
Index: linux-2.6/include/linux/fs.h
===================================================================
--- linux-2.6.orig/include/linux/fs.h
+++ linux-2.6/include/linux/fs.h
@@ -985,7 +985,7 @@ extern int vfs_symlink(struct inode *, s
extern int vfs_link(struct dentry *, struct vfsmount *, struct inode *, struct dentry *, struct vfsmount *);
extern int vfs_rmdir(struct inode *, struct dentry *, struct vfsmount *);
extern int vfs_unlink(struct inode *, struct dentry *, struct vfsmount *);
-extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *);
+extern int vfs_rename(struct inode *, struct dentry *, struct vfsmount *, struct inode *, struct dentry *, struct vfsmount *);

/*
* VFS dentry helper functions.
-
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