lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

fs/9p: Implement create time inheritance

Browse Source 
Inherit default ACL on create

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Aneesh Kumar K.V
2010-09-28 00:27:40 +05:30
committed by Eric Van Hensbergen
parent 6e8dc55550
commit ad77dbce56
3 changed files with 166 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
fs/9p/acl.c
View File

@@ -152,6 +152,58 @@ int v9fs_acl_chmod(struct dentry *dentry)
return retval;
}
int v9fs_set_create_acl(struct dentry *dentry,
struct posix_acl *dpacl, struct posix_acl *pacl)
{
if (dpacl)
v9fs_set_acl(dentry, ACL_TYPE_DEFAULT, dpacl);
if (pacl)
v9fs_set_acl(dentry, ACL_TYPE_ACCESS, pacl);
posix_acl_release(dpacl);
posix_acl_release(pacl);
return 0;
}
int v9fs_acl_mode(struct inode *dir, mode_t *modep,
struct posix_acl **dpacl, struct posix_acl **pacl)
{
int retval = 0;
mode_t mode = *modep;
struct posix_acl *acl = NULL;
if (!S_ISLNK(mode)) {
acl = v9fs_get_cached_acl(dir, ACL_TYPE_DEFAULT);
if (IS_ERR(acl))
return PTR_ERR(acl);
if (!acl)
mode &= ~current_umask();
}
if (acl) {
struct posix_acl *clone;
if (S_ISDIR(mode))
*dpacl = acl;
clone = posix_acl_clone(acl, GFP_NOFS);
retval = -ENOMEM;
if (!clone)
goto cleanup;
retval = posix_acl_create_masq(clone, &mode);
if (retval < 0) {
posix_acl_release(clone);
goto cleanup;
}
if (retval > 0)
*pacl = clone;
}
*modep = mode;
return 0;
cleanup:
posix_acl_release(acl);
return retval;
}
static int v9fs_xattr_get_acl(struct dentry *dentry, const char *name,
void *buffer, size_t size, int type)
{