fs: take the ACL checks to common code
Replace the ->check_acl method with a ->get_acl method that simply reads an
ACL from disk after having a cache miss. This means we can replace the ACL
checking boilerplate code with a single implementation in namei.c.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c
index 5783ed8..27c511a 100644
--- a/fs/jffs2/acl.c
+++ b/fs/jffs2/acl.c
@@ -156,7 +156,7 @@
return ERR_PTR(-EINVAL);
}
-static struct posix_acl *jffs2_get_acl(struct inode *inode, int type)
+struct posix_acl *jffs2_get_acl(struct inode *inode, int type)
{
struct posix_acl *acl;
char *value = NULL;
@@ -259,22 +259,6 @@
return rc;
}
-int jffs2_check_acl(struct inode *inode, int mask)
-{
- struct posix_acl *acl;
- int rc;
-
- acl = jffs2_get_acl(inode, ACL_TYPE_ACCESS);
- if (IS_ERR(acl))
- return PTR_ERR(acl);
- if (acl) {
- rc = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- return rc;
- }
- return -EAGAIN;
-}
-
int jffs2_init_acl_pre(struct inode *dir_i, struct inode *inode, mode_t *i_mode)
{
struct posix_acl *acl;
diff --git a/fs/jffs2/acl.h b/fs/jffs2/acl.h
index 9973073..b3421c7 100644
--- a/fs/jffs2/acl.h
+++ b/fs/jffs2/acl.h
@@ -26,7 +26,7 @@
#ifdef CONFIG_JFFS2_FS_POSIX_ACL
-extern int jffs2_check_acl(struct inode *, int);
+struct posix_acl *jffs2_get_acl(struct inode *inode, int type);
extern int jffs2_acl_chmod(struct inode *);
extern int jffs2_init_acl_pre(struct inode *, struct inode *, mode_t *);
extern int jffs2_init_acl_post(struct inode *);
@@ -36,7 +36,7 @@
#else
-#define jffs2_check_acl (NULL)
+#define jffs2_get_acl (NULL)
#define jffs2_acl_chmod(inode) (0)
#define jffs2_init_acl_pre(dir_i,inode,mode) (0)
#define jffs2_init_acl_post(inode) (0)
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index 5f243cd..9659b7c 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -56,7 +56,7 @@
.rmdir = jffs2_rmdir,
.mknod = jffs2_mknod,
.rename = jffs2_rename,
- .check_acl = jffs2_check_acl,
+ .get_acl = jffs2_get_acl,
.setattr = jffs2_setattr,
.setxattr = jffs2_setxattr,
.getxattr = jffs2_getxattr,
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index 3989f7e..61e6723 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -63,7 +63,7 @@
const struct inode_operations jffs2_file_inode_operations =
{
- .check_acl = jffs2_check_acl,
+ .get_acl = jffs2_get_acl,
.setattr = jffs2_setattr,
.setxattr = jffs2_setxattr,
.getxattr = jffs2_getxattr,
diff --git a/fs/jffs2/symlink.c b/fs/jffs2/symlink.c
index b955626..e3035af 100644
--- a/fs/jffs2/symlink.c
+++ b/fs/jffs2/symlink.c
@@ -20,7 +20,7 @@
{
.readlink = generic_readlink,
.follow_link = jffs2_follow_link,
- .check_acl = jffs2_check_acl,
+ .get_acl = jffs2_get_acl,
.setattr = jffs2_setattr,
.setxattr = jffs2_setxattr,
.getxattr = jffs2_getxattr,