+++ /dev/null
-From: Tony Jones <tonyj@suse.de>
-Subject: Add struct vfsmount parameter to vfs_mkdir()
-
-The vfsmount will be passed down to the LSM hook so that LSMs can compute
-pathnames.
-
-Signed-off-by: Tony Jones <tonyj@suse.de>
-Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
-Signed-off-by: John Johansen <jjohansen@suse.de>
-
----
- fs/ecryptfs/inode.c | 5 ++++-
- fs/namei.c | 5 +++--
- fs/nfsd/nfs4recover.c | 3 ++-
- fs/nfsd/vfs.c | 8 +++++---
- include/linux/fs.h | 2 +-
- kernel/cgroup.c | 2 +-
- 6 files changed, 16 insertions(+), 9 deletions(-)
-
---- a/fs/ecryptfs/inode.c
-+++ b/fs/ecryptfs/inode.c
-@@ -501,11 +501,14 @@ static int ecryptfs_mkdir(struct inode *
- {
- int rc;
- struct dentry *lower_dentry;
-+ struct vfsmount *lower_mnt;
- struct dentry *lower_dir_dentry;
-
- lower_dentry = ecryptfs_dentry_to_lower(dentry);
-+ lower_mnt = ecryptfs_dentry_to_lower_mnt(dentry);
- lower_dir_dentry = lock_parent(lower_dentry);
-- rc = vfs_mkdir(lower_dir_dentry->d_inode, lower_dentry, mode);
-+ rc = vfs_mkdir(lower_dir_dentry->d_inode, lower_dentry, lower_mnt,
-+ mode);
- if (rc || !lower_dentry->d_inode)
- goto out;
- rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb, 0);
---- a/fs/namei.c
-+++ b/fs/namei.c
-@@ -2077,7 +2077,8 @@ SYSCALL_DEFINE3(mknod, const char __user
- return sys_mknodat(AT_FDCWD, filename, mode, dev);
- }
-
--int vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
-+int vfs_mkdir(struct inode *dir, struct dentry *dentry, struct vfsmount *mnt,
-+ int mode)
- {
- int error = may_create(dir, dentry, 1);
-
-@@ -2120,7 +2121,7 @@ SYSCALL_DEFINE3(mkdirat, int, dfd, const
- error = mnt_want_write(nd.path.mnt);
- if (error)
- goto out_dput;
-- error = vfs_mkdir(nd.path.dentry->d_inode, dentry, mode);
-+ error = vfs_mkdir(nd.path.dentry->d_inode, dentry, nd.path.mnt, mode);
- mnt_drop_write(nd.path.mnt);
- out_dput:
- dput(dentry);
---- a/fs/nfsd/nfs4recover.c
-+++ b/fs/nfsd/nfs4recover.c
-@@ -158,7 +158,8 @@ nfsd4_create_clid_dir(struct nfs4_client
- status = mnt_want_write(rec_dir.path.mnt);
- if (status)
- goto out_put;
-- status = vfs_mkdir(rec_dir.path.dentry->d_inode, dentry, S_IRWXU);
-+ status = vfs_mkdir(rec_dir.path.dentry->d_inode, dentry,
-+ rec_dir.path.mnt, S_IRWXU);
- mnt_drop_write(rec_dir.path.mnt);
- out_put:
- dput(dentry);
---- a/fs/nfsd/vfs.c
-+++ b/fs/nfsd/vfs.c
-@@ -1215,6 +1215,7 @@ nfsd_create(struct svc_rqst *rqstp, stru
- int type, dev_t rdev, struct svc_fh *resfhp)
- {
- struct dentry *dentry, *dchild = NULL;
-+ struct svc_export *exp;
- struct inode *dirp;
- __be32 err;
- __be32 err2;
-@@ -1232,6 +1233,7 @@ nfsd_create(struct svc_rqst *rqstp, stru
- goto out;
-
- dentry = fhp->fh_dentry;
-+ exp = fhp->fh_export;
- dirp = dentry->d_inode;
-
- err = nfserr_notdir;
-@@ -1248,7 +1250,7 @@ nfsd_create(struct svc_rqst *rqstp, stru
- host_err = PTR_ERR(dchild);
- if (IS_ERR(dchild))
- goto out_nfserr;
-- err = fh_compose(resfhp, fhp->fh_export, dchild, fhp);
-+ err = fh_compose(resfhp, exp, dchild, fhp);
- if (err)
- goto out;
- } else {
-@@ -1298,7 +1300,7 @@ nfsd_create(struct svc_rqst *rqstp, stru
- host_err = vfs_create(dirp, dchild, iap->ia_mode, NULL);
- break;
- case S_IFDIR:
-- host_err = vfs_mkdir(dirp, dchild, iap->ia_mode);
-+ host_err = vfs_mkdir(dirp, dchild, exp->ex_path.mnt, iap->ia_mode);
- break;
- case S_IFCHR:
- case S_IFBLK:
-@@ -1312,7 +1314,7 @@ nfsd_create(struct svc_rqst *rqstp, stru
- goto out_nfserr;
- }
-
-- if (EX_ISSYNC(fhp->fh_export)) {
-+ if (EX_ISSYNC(exp)) {
- err = nfserrno(nfsd_sync_dir(dentry));
- write_inode_now(dchild->d_inode, 1);
- }
---- a/include/linux/fs.h
-+++ b/include/linux/fs.h
-@@ -1178,7 +1178,7 @@ extern void unlock_super(struct super_bl
- */
- extern int vfs_permission(struct nameidata *, int);
- extern int vfs_create(struct inode *, struct dentry *, int, struct nameidata *);
--extern int vfs_mkdir(struct inode *, struct dentry *, int);
-+extern int vfs_mkdir(struct inode *, struct dentry *, struct vfsmount *, int);
- extern int vfs_mknod(struct inode *, struct dentry *, int, dev_t);
- extern int vfs_symlink(struct inode *, struct dentry *, const char *);
- extern int vfs_link(struct dentry *, struct inode *, struct dentry *);
---- a/kernel/cgroup.c
-+++ b/kernel/cgroup.c
-@@ -2911,7 +2911,7 @@ int cgroup_clone(struct task_struct *tsk
- }
-
- /* Create the cgroup directory, which also creates the cgroup */
-- ret = vfs_mkdir(inode, dentry, S_IFDIR | 0755);
-+ ret = vfs_mkdir(inode, dentry, NULL, S_IFDIR | 0755);
- child = __d_cgrp(dentry);
- dput(dentry);
- if (ret) {