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>
This commit is contained in:
Christoph Hellwig
2011-07-23 17:37:31 +02:00
committed by Al Viro
parent edde854e8b
commit 4e34e719e4
52 changed files with 92 additions and 294 deletions

View File

@@ -131,7 +131,7 @@ fail:
*
* inode->i_mutex: don't care
*/
static struct posix_acl *
struct posix_acl *
ext3_get_acl(struct inode *inode, int type)
{
int name_index;
@@ -239,23 +239,6 @@ ext3_set_acl(handle_t *handle, struct inode *inode, int type,
return error;
}
int
ext3_check_acl(struct inode *inode, int mask)
{
struct posix_acl *acl;
acl = ext3_get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(acl))
return PTR_ERR(acl);
if (acl) {
int error = posix_acl_permission(inode, acl, mask);
posix_acl_release(acl);
return error;
}
return -EAGAIN;
}
/*
* Initialize the ACLs of a new inode. Called from ext3_new_inode.
*