The patch titled
Generic infrastructure for acls (update)
has been added to the -mm tree. Its filename is
generic-infrastructure-for-acls-update.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Generic infrastructure for acls (update)
From: Andreas Gruenbacher <agruen@xxxxxxx>
I have added a little documentation now. This will hopefully suffice to
clarify why the interface is as clumsy-looking as it is ;)
Signed-off-by: Andreas Gruenbacher <agruen@xxxxxxx>
Cc: Hugh Dickins <hugh@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
fs/generic_acl.c | 31 ++++++++++++++++++++++++++++---
include/linux/generic_acl.h | 6 ++++++
2 files changed, 34 insertions(+), 3 deletions(-)
diff -puN fs/generic_acl.c~generic-infrastructure-for-acls-update fs/generic_acl.c
--- a/fs/generic_acl.c~generic-infrastructure-for-acls-update
+++ a/fs/generic_acl.c
@@ -10,6 +10,10 @@
#include <linux/fs.h>
#include <linux/generic_acl.h>
+/**
+ * generic_acl_list - Generic xattr_handler->list() operation
+ * @ops: Filesystem specific getacl and setacl callbacks
+ */
size_t
generic_acl_list(struct inode *inode, struct generic_acl_operations *ops,
int type, char *list, size_t list_size)
@@ -41,6 +45,10 @@ generic_acl_list(struct inode *inode, st
return size;
}
+/**
+ * generic_acl_get - Generic xattr_handler->get() operation
+ * @ops: Filesystem specific getacl and setacl callbacks
+ */
int
generic_acl_get(struct inode *inode, struct generic_acl_operations *ops,
int type, void *buffer, size_t size)
@@ -57,6 +65,10 @@ generic_acl_get(struct inode *inode, str
return error;
}
+/**
+ * generic_acl_set - Generic xattr_handler->set() operation
+ * @ops: Filesystem specific getacl and setacl callbacks
+ */
int
generic_acl_set(struct inode *inode, struct generic_acl_operations *ops,
int type, const void *value, size_t size)
@@ -66,7 +78,7 @@ generic_acl_set(struct inode *inode, str
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
- if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER))
+ if (current->fsuid != inode->i_uid && !capable(CAP_FOWNER))
return -EPERM;
if (value) {
acl = posix_acl_from_xattr(value, size);
@@ -107,6 +119,13 @@ failed:
return error;
}
+/**
+ * generic_acl_init - Take care of acl inheritance at @inode create time
+ * @ops: Filesystem specific getacl and setacl callbacks
+ *
+ * Files created inside a directory with a default ACL inherit the
+ * directory's default ACL.
+ */
int
generic_acl_init(struct inode *inode, struct inode *dir,
struct generic_acl_operations *ops)
@@ -136,9 +155,8 @@ generic_acl_init(struct inode *inode, st
error = posix_acl_create_masq(clone, &mode);
if (error >= 0) {
inode->i_mode = mode;
- if (error > 0) {
+ if (error > 0)
ops->setacl(inode, ACL_TYPE_ACCESS, clone);
- }
}
posix_acl_release(clone);
}
@@ -149,6 +167,13 @@ cleanup:
return error;
}
+/**
+ * generic_acl_chmod - change the access acl of @inode upon chmod()
+ * @ops: FIlesystem specific getacl and setacl callbacks
+ *
+ * A chmod also changes the permissions of the owner, group/mask, and
+ * other ACL entries.
+ */
int
generic_acl_chmod(struct inode *inode, struct generic_acl_operations *ops)
{
diff -puN include/linux/generic_acl.h~generic-infrastructure-for-acls-update include/linux/generic_acl.h
--- a/include/linux/generic_acl.h~generic-infrastructure-for-acls-update
+++ a/include/linux/generic_acl.h
@@ -12,6 +12,12 @@
#include <linux/posix_acl.h>
#include <linux/posix_acl_xattr.h>
+/**
+ * struct generic_acl_operations - filesystem operations
+ *
+ * Filesystems must make these operations available to the generic
+ * operations.
+ */
struct generic_acl_operations {
struct posix_acl *(*getacl)(struct inode *, int);
void (*setacl)(struct inode *, int, struct posix_acl *);
_
Patches currently in -mm which might be from agruen@xxxxxxx are
mbcache-add-lock-annotation-for-__mb_cache_entry_release_unlock.patch
generic-infrastructure-for-acls.patch
generic-infrastructure-for-acls-update.patch
access-control-lists-for-tmpfs.patch
access-control-lists-for-tmpfs-cleanup.patch
-
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