diff mbox

[11/23] richacl: Move the xattr representation to little-endian format

Message ID 1265002505-8387-12-git-send-email-aneesh.kumar@linux.vnet.ibm.com
State Not Applicable, archived
Headers show

Commit Message

Aneesh Kumar K.V Feb. 1, 2010, 5:34 a.m. UTC
Posix acl already use little-endian representation on disk. Move
richacl also to little-endian representation

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
 fs/richacl_xattr.c            |   34 +++++++++++++++++-----------------
 include/linux/richacl_xattr.h |   16 ++++++++--------
 2 files changed, 25 insertions(+), 25 deletions(-)

Comments

J. Bruce Fields Feb. 1, 2010, 11:34 p.m. UTC | #1
On Mon, Feb 01, 2010 at 11:04:53AM +0530, Aneesh Kumar K.V wrote:
> Posix acl already use little-endian representation on disk. Move
> richacl also to little-endian representation

Merge this back into patch #3?

--b.

> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> ---
>  fs/richacl_xattr.c            |   34 +++++++++++++++++-----------------
>  include/linux/richacl_xattr.h |   16 ++++++++--------
>  2 files changed, 25 insertions(+), 25 deletions(-)
> 
> diff --git a/fs/richacl_xattr.c b/fs/richacl_xattr.c
> index 4c04417..46e966a 100644
> --- a/fs/richacl_xattr.c
> +++ b/fs/richacl_xattr.c
> @@ -34,7 +34,7 @@ richacl_from_xattr(const void *value, size_t size)
>  	    (xattr_acl->a_flags & ~ACL4_VALID_FLAGS))
>  		return ERR_PTR(-EINVAL);
>  
> -	count = be16_to_cpu(xattr_acl->a_count);
> +	count = le16_to_cpu(xattr_acl->a_count);
>  	if (count > ACL4_XATTR_MAX_COUNT)
>  		return ERR_PTR(-EINVAL);
>  
> @@ -43,13 +43,13 @@ richacl_from_xattr(const void *value, size_t size)
>  		return ERR_PTR(-ENOMEM);
>  
>  	acl->a_flags = xattr_acl->a_flags;
> -	acl->a_owner_mask = be32_to_cpu(xattr_acl->a_owner_mask);
> +	acl->a_owner_mask = le32_to_cpu(xattr_acl->a_owner_mask);
>  	if (acl->a_owner_mask & ~ACE4_VALID_MASK)
>  		goto fail_einval;
> -	acl->a_group_mask = be32_to_cpu(xattr_acl->a_group_mask);
> +	acl->a_group_mask = le32_to_cpu(xattr_acl->a_group_mask);
>  	if (acl->a_group_mask & ~ACE4_VALID_MASK)
>  		goto fail_einval;
> -	acl->a_other_mask = be32_to_cpu(xattr_acl->a_other_mask);
> +	acl->a_other_mask = le32_to_cpu(xattr_acl->a_other_mask);
>  	if (acl->a_other_mask & ~ACE4_VALID_MASK)
>  		goto fail_einval;
>  
> @@ -63,10 +63,10 @@ richacl_from_xattr(const void *value, size_t size)
>  		if (!end)
>  			goto fail_einval;
>  
> -		ace->e_type = be16_to_cpu(xattr_ace->e_type);
> -		ace->e_flags = be16_to_cpu(xattr_ace->e_flags);
> -		ace->e_mask = be32_to_cpu(xattr_ace->e_mask);
> -		ace->u.e_id = be32_to_cpu(xattr_ace->e_id);
> +		ace->e_type = le16_to_cpu(xattr_ace->e_type);
> +		ace->e_flags = le16_to_cpu(xattr_ace->e_flags);
> +		ace->e_mask = le32_to_cpu(xattr_ace->e_mask);
> +		ace->u.e_id = le32_to_cpu(xattr_ace->e_id);
>  
>  		if (ace->e_flags & ~ACE4_VALID_FLAGS) {
>  			memset(ace, 0, sizeof(struct richace));
> @@ -117,26 +117,26 @@ richacl_to_xattr(const struct richacl *acl, void *buffer)
>  
>  	xattr_acl->a_version = ACL4_XATTR_VERSION;
>  	xattr_acl->a_flags = acl->a_flags;
> -	xattr_acl->a_count = cpu_to_be16(acl->a_count);
> +	xattr_acl->a_count = cpu_to_le16(acl->a_count);
>  
> -	xattr_acl->a_owner_mask = cpu_to_be32(acl->a_owner_mask);
> -	xattr_acl->a_group_mask = cpu_to_be32(acl->a_group_mask);
> -	xattr_acl->a_other_mask = cpu_to_be32(acl->a_other_mask);
> +	xattr_acl->a_owner_mask = cpu_to_le32(acl->a_owner_mask);
> +	xattr_acl->a_group_mask = cpu_to_le32(acl->a_group_mask);
> +	xattr_acl->a_other_mask = cpu_to_le32(acl->a_other_mask);
>  
>  	xattr_ace = (void *)(xattr_acl + 1);
>  	richacl_for_each_entry(ace, acl) {
> -		xattr_ace->e_type = cpu_to_be16(ace->e_type);
> -		xattr_ace->e_flags = cpu_to_be16(ace->e_flags &
> +		xattr_ace->e_type = cpu_to_le16(ace->e_type);
> +		xattr_ace->e_flags = cpu_to_le16(ace->e_flags &
>  			ACE4_VALID_FLAGS);
> -		xattr_ace->e_mask = cpu_to_be32(ace->e_mask);
> +		xattr_ace->e_mask = cpu_to_le32(ace->e_mask);
>  		if (richace_is_unix_id(ace)) {
> -			xattr_ace->e_id = cpu_to_be32(ace->u.e_id);
> +			xattr_ace->e_id = cpu_to_le32(ace->u.e_id);
>  			memset(xattr_ace->e_who, 0, 4);
>  			xattr_ace = (void *)xattr_ace->e_who + 4;
>  		} else {
>  			int sz = ALIGN(strlen(ace->u.e_who) + 1, 4);
>  
> -			xattr_ace->e_id = cpu_to_be32(-1);
> +			xattr_ace->e_id = cpu_to_le32(-1);
>  			memset(xattr_ace->e_who + sz - 4, 0, 4);
>  			strcpy(xattr_ace->e_who, ace->u.e_who);
>  			xattr_ace = (void *)xattr_ace->e_who + sz;
> diff --git a/include/linux/richacl_xattr.h b/include/linux/richacl_xattr.h
> index 5a75284..de7acf7 100644
> --- a/include/linux/richacl_xattr.h
> +++ b/include/linux/richacl_xattr.h
> @@ -6,20 +6,20 @@
>  #define RICHACL_XATTR "system.richacl"
>  
>  struct richace_xattr {
> -	__be16		e_type;
> -	__be16		e_flags;
> -	__be32		e_mask;
> -	__be32		e_id;
> +	__le16		e_type;
> +	__le16		e_flags;
> +	__le32		e_mask;
> +	__le32		e_id;
>  	char		e_who[0];
>  };
>  
>  struct richacl_xattr {
>  	unsigned char	a_version;
>  	unsigned char	a_flags;
> -	__be16		a_count;
> -	__be32		a_owner_mask;
> -	__be32		a_group_mask;
> -	__be32		a_other_mask;
> +	__le16		a_count;
> +	__le32		a_owner_mask;
> +	__le32		a_group_mask;
> +	__le32		a_other_mask;
>  };
>  
>  #define ACL4_XATTR_VERSION	0
> -- 
> 1.7.0.rc0.48.gdace5
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Aneesh Kumar K.V Feb. 2, 2010, 5:35 a.m. UTC | #2
On Mon, 1 Feb 2010 18:34:29 -0500, "J. Bruce Fields" <bfields@citi.umich.edu> wrote:
> On Mon, Feb 01, 2010 at 11:04:53AM +0530, Aneesh Kumar K.V wrote:
> > Posix acl already use little-endian representation on disk. Move
> > richacl also to little-endian representation
> 
> Merge this back into patch #3?
> 
>

Yes. We should be merging some of these patches into earlier patches. I
want to keep the patches separate at this point to enable Andreas to
find out the changes done to original path so that he should be able to
review them easily. But yes before we can merge this to upstream some
of this patches to be folded back to earlier patches.

-aneesh
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff mbox

Patch

diff --git a/fs/richacl_xattr.c b/fs/richacl_xattr.c
index 4c04417..46e966a 100644
--- a/fs/richacl_xattr.c
+++ b/fs/richacl_xattr.c
@@ -34,7 +34,7 @@  richacl_from_xattr(const void *value, size_t size)
 	    (xattr_acl->a_flags & ~ACL4_VALID_FLAGS))
 		return ERR_PTR(-EINVAL);
 
-	count = be16_to_cpu(xattr_acl->a_count);
+	count = le16_to_cpu(xattr_acl->a_count);
 	if (count > ACL4_XATTR_MAX_COUNT)
 		return ERR_PTR(-EINVAL);
 
@@ -43,13 +43,13 @@  richacl_from_xattr(const void *value, size_t size)
 		return ERR_PTR(-ENOMEM);
 
 	acl->a_flags = xattr_acl->a_flags;
-	acl->a_owner_mask = be32_to_cpu(xattr_acl->a_owner_mask);
+	acl->a_owner_mask = le32_to_cpu(xattr_acl->a_owner_mask);
 	if (acl->a_owner_mask & ~ACE4_VALID_MASK)
 		goto fail_einval;
-	acl->a_group_mask = be32_to_cpu(xattr_acl->a_group_mask);
+	acl->a_group_mask = le32_to_cpu(xattr_acl->a_group_mask);
 	if (acl->a_group_mask & ~ACE4_VALID_MASK)
 		goto fail_einval;
-	acl->a_other_mask = be32_to_cpu(xattr_acl->a_other_mask);
+	acl->a_other_mask = le32_to_cpu(xattr_acl->a_other_mask);
 	if (acl->a_other_mask & ~ACE4_VALID_MASK)
 		goto fail_einval;
 
@@ -63,10 +63,10 @@  richacl_from_xattr(const void *value, size_t size)
 		if (!end)
 			goto fail_einval;
 
-		ace->e_type = be16_to_cpu(xattr_ace->e_type);
-		ace->e_flags = be16_to_cpu(xattr_ace->e_flags);
-		ace->e_mask = be32_to_cpu(xattr_ace->e_mask);
-		ace->u.e_id = be32_to_cpu(xattr_ace->e_id);
+		ace->e_type = le16_to_cpu(xattr_ace->e_type);
+		ace->e_flags = le16_to_cpu(xattr_ace->e_flags);
+		ace->e_mask = le32_to_cpu(xattr_ace->e_mask);
+		ace->u.e_id = le32_to_cpu(xattr_ace->e_id);
 
 		if (ace->e_flags & ~ACE4_VALID_FLAGS) {
 			memset(ace, 0, sizeof(struct richace));
@@ -117,26 +117,26 @@  richacl_to_xattr(const struct richacl *acl, void *buffer)
 
 	xattr_acl->a_version = ACL4_XATTR_VERSION;
 	xattr_acl->a_flags = acl->a_flags;
-	xattr_acl->a_count = cpu_to_be16(acl->a_count);
+	xattr_acl->a_count = cpu_to_le16(acl->a_count);
 
-	xattr_acl->a_owner_mask = cpu_to_be32(acl->a_owner_mask);
-	xattr_acl->a_group_mask = cpu_to_be32(acl->a_group_mask);
-	xattr_acl->a_other_mask = cpu_to_be32(acl->a_other_mask);
+	xattr_acl->a_owner_mask = cpu_to_le32(acl->a_owner_mask);
+	xattr_acl->a_group_mask = cpu_to_le32(acl->a_group_mask);
+	xattr_acl->a_other_mask = cpu_to_le32(acl->a_other_mask);
 
 	xattr_ace = (void *)(xattr_acl + 1);
 	richacl_for_each_entry(ace, acl) {
-		xattr_ace->e_type = cpu_to_be16(ace->e_type);
-		xattr_ace->e_flags = cpu_to_be16(ace->e_flags &
+		xattr_ace->e_type = cpu_to_le16(ace->e_type);
+		xattr_ace->e_flags = cpu_to_le16(ace->e_flags &
 			ACE4_VALID_FLAGS);
-		xattr_ace->e_mask = cpu_to_be32(ace->e_mask);
+		xattr_ace->e_mask = cpu_to_le32(ace->e_mask);
 		if (richace_is_unix_id(ace)) {
-			xattr_ace->e_id = cpu_to_be32(ace->u.e_id);
+			xattr_ace->e_id = cpu_to_le32(ace->u.e_id);
 			memset(xattr_ace->e_who, 0, 4);
 			xattr_ace = (void *)xattr_ace->e_who + 4;
 		} else {
 			int sz = ALIGN(strlen(ace->u.e_who) + 1, 4);
 
-			xattr_ace->e_id = cpu_to_be32(-1);
+			xattr_ace->e_id = cpu_to_le32(-1);
 			memset(xattr_ace->e_who + sz - 4, 0, 4);
 			strcpy(xattr_ace->e_who, ace->u.e_who);
 			xattr_ace = (void *)xattr_ace->e_who + sz;
diff --git a/include/linux/richacl_xattr.h b/include/linux/richacl_xattr.h
index 5a75284..de7acf7 100644
--- a/include/linux/richacl_xattr.h
+++ b/include/linux/richacl_xattr.h
@@ -6,20 +6,20 @@ 
 #define RICHACL_XATTR "system.richacl"
 
 struct richace_xattr {
-	__be16		e_type;
-	__be16		e_flags;
-	__be32		e_mask;
-	__be32		e_id;
+	__le16		e_type;
+	__le16		e_flags;
+	__le32		e_mask;
+	__le32		e_id;
 	char		e_who[0];
 };
 
 struct richacl_xattr {
 	unsigned char	a_version;
 	unsigned char	a_flags;
-	__be16		a_count;
-	__be32		a_owner_mask;
-	__be32		a_group_mask;
-	__be32		a_other_mask;
+	__le16		a_count;
+	__le32		a_owner_mask;
+	__le32		a_group_mask;
+	__le32		a_other_mask;
 };
 
 #define ACL4_XATTR_VERSION	0