The vfsmount will be passed down to the LSM hook so that LSMs can compute pathnames. Signed-off-by: Tony Jones Signed-off-by: Andreas Gruenbacher Signed-off-by: John Johansen --- fs/ecryptfs/inode.c | 4 +++- fs/namei.c | 6 ++++-- fs/nfsd/vfs.c | 12 ++++++++---- include/linux/fs.h | 2 +- 4 files changed, 16 insertions(+), 8 deletions(-) --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -470,6 +470,7 @@ 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; @@ -478,6 +479,7 @@ 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, @@ -487,7 +489,7 @@ 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) --- a/fs/namei.c +++ b/fs/namei.c @@ -2203,7 +2203,8 @@ 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); @@ -2249,7 +2250,8 @@ 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); --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1436,6 +1436,7 @@ nfsd_symlink(struct svc_rqst *rqstp, str struct iattr *iap) { struct dentry *dentry, *dnew; + struct svc_export *exp; __be32 err, cerr; int host_err; umode_t mode; @@ -1462,6 +1463,7 @@ nfsd_symlink(struct svc_rqst *rqstp, str if (iap && (iap->ia_valid & ATTR_MODE)) mode = iap->ia_mode & S_IALLUGO; + exp = fhp->fh_export; if (unlikely(path[plen] != 0)) { char *path_alloced = kmalloc(plen+1, GFP_KERNEL); if (path_alloced == NULL) @@ -1469,20 +1471,22 @@ 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, + exp->ex_mnt, 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, exp->ex_mnt, path, + mode); if (!host_err) { - if (EX_ISSYNC(fhp->fh_export)) + if (EX_ISSYNC(exp)) host_err = nfsd_sync_dir(dentry); } err = nfserrno(host_err); fh_unlock(fhp); - cerr = fh_compose(resfhp, fhp->fh_export, dnew, fhp); + cerr = fh_compose(resfhp, exp, dnew, fhp); dput(dnew); if (err==0) err = cerr; out: --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -995,7 +995,7 @@ 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 *); -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/