[lustre-devel] [PATCH 29/32] lustre: introduce CONFIG_LUSTRE_FS_POSIX_ACL

Andreas Dilger adilger at whamcloud.com
Wed Apr 3 13:44:38 PDT 2019


On Mar 13, 2019, at 18:11, NeilBrown <neilb at suse.com> wrote:
> 
> Lustre (or any file system) should not conditionally
> compile code based on CONFIG_FS_POSIX_ACL.  This config
> option enables library support.
> A file system can define it's own config option,
> which then selects CONFIG_FS_POSIX_ACL (if needed).  It should
> act on its own option, not the library one.
> 
> This patch makes that change.
> 
> Signed-off-by: NeilBrown <neilb at suse.com>

Reviewed-by: Andreas Dilger <adilger at whamcloud.com>

> ---
> drivers/staging/lustre/lustre/Kconfig              |   11 +++++++++++
> drivers/staging/lustre/lustre/include/lustre_acl.h |    6 +++---
> drivers/staging/lustre/lustre/include/obd.h        |    2 +-
> drivers/staging/lustre/lustre/llite/Makefile       |    2 +-
> .../staging/lustre/lustre/llite/llite_internal.h   |    4 ++--
> drivers/staging/lustre/lustre/llite/llite_lib.c    |   10 +++++-----
> drivers/staging/lustre/lustre/llite/xattr.c        |    4 ++--
> drivers/staging/lustre/lustre/mdc/mdc_request.c    |    6 +++---
> 8 files changed, 28 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/staging/lustre/lustre/Kconfig b/drivers/staging/lustre/lustre/Kconfig
> index ccb78a945995..2ea3f2456b0f 100644
> --- a/drivers/staging/lustre/lustre/Kconfig
> +++ b/drivers/staging/lustre/lustre/Kconfig
> @@ -30,6 +30,17 @@ config LUSTRE_FS
> 
> 	  See also http://wiki.lustre.org/
> 
> +config LUSTRE_FS_POSIX_ACL
> +	bool "Lustre POSIX Access Control Lists"
> +	depends on LUSTRE_FS
> +	select FS_POSIX_ACL
> +	help
> +	  POSIX Access Control Lists (ACLs) support permissions for users and
> +	  groups beyond the owner/group/world scheme.
> +	  Lustre can support these ACLs.
> +
> +	  In in doubt, say Y.
> +
> config LUSTRE_DEBUG_EXPENSIVE_CHECK
> 	bool "Enable Lustre DEBUG checks"
> 	depends on LUSTRE_FS
> diff --git a/drivers/staging/lustre/lustre/include/lustre_acl.h b/drivers/staging/lustre/lustre/include/lustre_acl.h
> index e7575a172b5f..e1f373d2e6cb 100644
> --- a/drivers/staging/lustre/lustre/include/lustre_acl.h
> +++ b/drivers/staging/lustre/lustre/include/lustre_acl.h
> @@ -36,7 +36,7 @@
> 
> #include <linux/fs.h>
> #include <linux/dcache.h>
> -#ifdef CONFIG_FS_POSIX_ACL
> +#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
> #include <linux/posix_acl_xattr.h>
> 
> #define LUSTRE_POSIX_ACL_MAX_ENTRIES	32
> @@ -44,8 +44,8 @@
> 	(sizeof(struct posix_acl_xattr_header) +				\
> 	 LUSTRE_POSIX_ACL_MAX_ENTRIES * sizeof(struct posix_acl_xattr_entry))
> 
> -#else /* ! CONFIG_FS_POSIX_ACL */
> +#else /* ! CONFIG_LUSTRE_FS_POSIX_ACL */
> #define LUSTRE_POSIX_ACL_MAX_SIZE_OLD 0
> -#endif /* CONFIG_FS_POSIX_ACL */
> +#endif /* CONFIG_LUSTRE_FS_POSIX_ACL */
> 
> #endif
> diff --git a/drivers/staging/lustre/lustre/include/obd.h b/drivers/staging/lustre/lustre/include/obd.h
> index faf2ea623a09..6c984732d9c2 100644
> --- a/drivers/staging/lustre/lustre/include/obd.h
> +++ b/drivers/staging/lustre/lustre/include/obd.h
> @@ -872,7 +872,7 @@ struct lustre_md {
> 	struct mdt_body			*body;
> 	struct lu_buf			 layout;
> 	struct lmv_stripe_md		*lmv;
> -#ifdef CONFIG_FS_POSIX_ACL
> +#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
> 	struct posix_acl		*posix_acl;
> #endif
> 	struct mdt_remote_perm		*remote_perm;
> diff --git a/drivers/staging/lustre/lustre/llite/Makefile b/drivers/staging/lustre/lustre/llite/Makefile
> index 7d0225476362..b6698af044f6 100644
> --- a/drivers/staging/lustre/lustre/llite/Makefile
> +++ b/drivers/staging/lustre/lustre/llite/Makefile
> @@ -10,4 +10,4 @@ lustre-y := dcache.o dir.o file.o llite_lib.o llite_nfs.o \
> 	    vvp_dev.o vvp_page.o vvp_lock.o vvp_io.o vvp_object.o \
> 	    lproc_llite.o
> 
> -lustre-$(CONFIG_FS_POSIX_ACL) += acl.o
> +lustre-$(CONFIG_LUSTRE_FS_POSIX_ACL) += acl.o
> diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h
> index c8860904bdd4..83053459f9c7 100644
> --- a/drivers/staging/lustre/lustre/llite/llite_internal.h
> +++ b/drivers/staging/lustre/lustre/llite/llite_internal.h
> @@ -814,13 +814,13 @@ int ll_release_openhandle(struct inode *inode, struct lookup_intent *it);
> int ll_md_real_close(struct inode *inode, fmode_t fmode);
> int ll_getattr(const struct path *path, struct kstat *stat,
> 	       u32 request_mask, unsigned int flags);
> -#ifdef CONFIG_FS_POSIX_ACL
> +#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
> struct posix_acl *ll_get_acl(struct inode *inode, int type);
> int ll_set_acl(struct inode *inode, struct posix_acl *acl, int type);
> #else
> #define ll_get_acl NULL
> #define ll_set_acl NULL
> -#endif /* CONFIG_FS_POSIX_ACL */
> +#endif /* CONFIG_LUSTRE_FS_POSIX_ACL */
> 
> int ll_migrate(struct inode *parent, struct file *file, int mdtidx,
> 	       const char *name, int namelen);
> diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c
> index cfe8105fe138..e55a4e0f68bf 100644
> --- a/drivers/staging/lustre/lustre/llite/llite_lib.c
> +++ b/drivers/staging/lustre/lustre/llite/llite_lib.c
> @@ -209,7 +209,7 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt)
> 
> 	if (sbi->ll_flags & LL_SBI_LRU_RESIZE)
> 		data->ocd_connect_flags |= OBD_CONNECT_LRU_RESIZE;
> -#ifdef CONFIG_FS_POSIX_ACL
> +#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
> 	data->ocd_connect_flags |= OBD_CONNECT_ACL | OBD_CONNECT_UMASK |
> 				   OBD_CONNECT_LARGE_ACL;
> #endif
> @@ -512,7 +512,7 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt)
> 	ptlrpc_req_finished(request);
> 
> 	if (IS_ERR(root)) {
> -#ifdef CONFIG_FS_POSIX_ACL
> +#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
> 		if (lmd.posix_acl) {
> 			posix_acl_release(lmd.posix_acl);
> 			lmd.posix_acl = NULL;
> @@ -1394,7 +1394,7 @@ void ll_clear_inode(struct inode *inode)
> 
> 	ll_xattr_cache_destroy(inode);
> 
> -#ifdef CONFIG_FS_POSIX_ACL
> +#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
> 	forget_all_cached_acls(inode);
> 	if (lli->lli_posix_acl) {
> 		posix_acl_release(lli->lli_posix_acl);
> @@ -1825,7 +1825,7 @@ int ll_update_inode(struct inode *inode, struct lustre_md *md)
> 			return rc;
> 	}
> 
> -#ifdef CONFIG_FS_POSIX_ACL
> +#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
> 	if (body->mbo_valid & OBD_MD_FLACL) {
> 		spin_lock(&lli->lli_lock);
> 		if (lli->lli_posix_acl)
> @@ -2239,7 +2239,7 @@ int ll_prep_inode(struct inode **inode, struct ptlrpc_request *req,
> 					     sbi->ll_flags & LL_SBI_32BIT_API),
> 				 &md);
> 		if (IS_ERR(*inode)) {
> -#ifdef CONFIG_FS_POSIX_ACL
> +#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
> 			if (md.posix_acl) {
> 				posix_acl_release(md.posix_acl);
> 				md.posix_acl = NULL;
> diff --git a/drivers/staging/lustre/lustre/llite/xattr.c b/drivers/staging/lustre/lustre/llite/xattr.c
> index a1d27061ac19..c1f6c38350d7 100644
> --- a/drivers/staging/lustre/lustre/llite/xattr.c
> +++ b/drivers/staging/lustre/lustre/llite/xattr.c
> @@ -433,7 +433,7 @@ static int ll_xattr_get_common(const struct xattr_handler *handler,
> 	    !strcmp(name, "selinux"))
> 		return -EOPNOTSUPP;
> 
> -#ifdef CONFIG_FS_POSIX_ACL
> +#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
> 	/* posix acl is under protection of LOOKUP lock. when calling to this,
> 	 * we just have path resolution to the target inode, so we have great
> 	 * chance that cached ACL is uptodate.
> @@ -676,7 +676,7 @@ const struct xattr_handler *ll_xattr_handlers[] = {
> 	&ll_user_xattr_handler,
> 	&ll_trusted_xattr_handler,
> 	&ll_security_xattr_handler,
> -#ifdef CONFIG_FS_POSIX_ACL
> +#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
> 	&ll_acl_access_xattr_handler,
> 	&ll_acl_default_xattr_handler,
> #endif
> diff --git a/drivers/staging/lustre/lustre/mdc/mdc_request.c b/drivers/staging/lustre/lustre/mdc/mdc_request.c
> index 451e6c94c7e8..b54c5f1418ae 100644
> --- a/drivers/staging/lustre/lustre/mdc/mdc_request.c
> +++ b/drivers/staging/lustre/lustre/mdc/mdc_request.c
> @@ -408,7 +408,7 @@ static int mdc_getxattr(struct obd_export *exp, const struct lu_fid *fid,
> 				req);
> }
> 
> -#ifdef CONFIG_FS_POSIX_ACL
> +#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
> static int mdc_unpack_acl(struct ptlrpc_request *req, struct lustre_md *md)
> {
> 	struct req_capsule *pill = &req->rq_pill;
> @@ -535,7 +535,7 @@ static int mdc_get_lustre_md(struct obd_export *exp,
> 			rc = mdc_unpack_acl(req, md);
> 			if (rc)
> 				goto out;
> -#ifdef CONFIG_FS_POSIX_ACL
> +#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
> 		} else {
> 			md->posix_acl = NULL;
> #endif
> @@ -544,7 +544,7 @@ static int mdc_get_lustre_md(struct obd_export *exp,
> 
> out:
> 	if (rc) {
> -#ifdef CONFIG_FS_POSIX_ACL
> +#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
> 		posix_acl_release(md->posix_acl);
> #endif
> 	}
> 
> 

Cheers, Andreas
---
Andreas Dilger
CTO Whamcloud






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