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fs: take the ACL checks to common code

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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
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14
fs/9p/acl.c
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@@ -96,7 +96,7 @@ static struct posix_acl *v9fs_get_cached_acl(struct inode *inode, int type)
return acl;
}
int v9fs_check_acl(struct inode *inode, int mask)
struct posix_acl *v9fs_iop_get_acl(struct inode *inode, int type)
{
struct posix_acl *acl;
struct v9fs_session_info *v9ses;
@@ -108,18 +108,10 @@ int v9fs_check_acl(struct inode *inode, int mask)
* On access = client and acl = on mode get the acl
* values from the server
*/
return -EAGAIN;
return NULL;
}
acl = v9fs_get_cached_acl(inode, ACL_TYPE_ACCESS);
return v9fs_get_cached_acl(inode, type);
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;
}
static int v9fs_set_acl(struct dentry *dentry, int type, struct posix_acl *acl)