The vfsmount will be passed down to the LSM hook so that LSMs can compute pathnames.
Signed-off-by: Tony Jones <[EMAIL PROTECTED]> Signed-off-by: Andreas Gruenbacher <[EMAIL PROTECTED]> Signed-off-by: John Johansen <[EMAIL PROTECTED]> --- fs/ecryptfs/inode.c | 9 +++++++-- fs/namei.c | 5 +++-- fs/nfsd/vfs.c | 3 ++- include/linux/fs.h | 2 +- 4 files changed, 13 insertions(+), 6 deletions(-) --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -411,19 +411,24 @@ static int ecryptfs_link(struct dentry * struct dentry *new_dentry) { struct dentry *lower_old_dentry; + struct vfsmount *lower_old_mnt; struct dentry *lower_new_dentry; + struct vfsmount *lower_new_mnt; struct dentry *lower_dir_dentry; u64 file_size_save; int rc; file_size_save = i_size_read(old_dentry->d_inode); 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_dir_dentry = lock_parent(lower_new_dentry); - rc = vfs_link(lower_old_dentry, lower_dir_dentry->d_inode, - lower_new_dentry); + rc = vfs_link(lower_old_dentry, lower_old_mnt, + lower_dir_dentry->d_inode, lower_new_dentry, + lower_new_mnt); if (rc || !lower_new_dentry->d_inode) goto out_lock; rc = ecryptfs_interpose(lower_new_dentry, new_dentry, dir->i_sb, 0); --- a/fs/namei.c +++ b/fs/namei.c @@ -2268,7 +2268,7 @@ asmlinkage long sys_symlink(const char _ return sys_symlinkat(oldname, AT_FDCWD, newname); } -int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_dentry) +int vfs_link(struct dentry *old_dentry, struct vfsmount *old_mnt, struct inode *dir, struct dentry *new_dentry, struct vfsmount *new_mnt) { struct inode *inode = old_dentry->d_inode; int error; @@ -2346,7 +2346,8 @@ asmlinkage long sys_linkat(int olddfd, c error = PTR_ERR(new_dentry); if (IS_ERR(new_dentry)) goto out_unlock; - error = vfs_link(old_nd.dentry, nd.dentry->d_inode, new_dentry); + error = vfs_link(old_nd.dentry, old_nd.mnt, nd.dentry->d_inode, + new_dentry, nd.mnt); dput(new_dentry); out_unlock: mutex_unlock(&nd.dentry->d_inode->i_mutex); --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1536,7 +1536,8 @@ nfsd_link(struct svc_rqst *rqstp, struct dold = tfhp->fh_dentry; dest = dold->d_inode; - host_err = vfs_link(dold, dirp, dnew); + host_err = vfs_link(dold, tfhp->fh_export->ex_mnt, dirp, + dnew, ffhp->fh_export->ex_mnt); if (!host_err) { if (EX_ISSYNC(ffhp->fh_export)) { err = nfserrno(nfsd_sync_dir(ddir)); --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -995,7 +995,7 @@ extern int vfs_create(struct inode *, st 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 *, struct vfsmount *, const char *, int); -extern int vfs_link(struct dentry *, struct inode *, struct dentry *); +extern int vfs_link(struct dentry *, struct vfsmount *, struct inode *, struct dentry *, struct vfsmount *); 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 *); -- - To unsubscribe from this list: send the line "unsubscribe linux-security-module" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html