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path: root/fs/gfs2/acl.c
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Diffstat (limited to 'fs/gfs2/acl.c')
-rw-r--r--fs/gfs2/acl.c75
1 files changed, 18 insertions, 57 deletions
diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index 8ef1079..884c9af 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -67,36 +67,9 @@ static struct posix_acl *gfs2_acl_get(struct gfs2_inode *ip, int type)
return acl;
}
-/**
- * gfs2_check_acl - Check an ACL to see if we're allowed to do something
- * @inode: the file we want to do something to
- * @mask: what we want to do
- *
- * Returns: errno
- */
-
-int gfs2_check_acl(struct inode *inode, int mask)
+struct posix_acl *gfs2_get_acl(struct inode *inode, int type)
{
- struct posix_acl *acl;
- int error;
-
- if (mask & MAY_NOT_BLOCK) {
- if (!negative_cached_acl(inode, ACL_TYPE_ACCESS))
- return -ECHILD;
- return -EAGAIN;
- }
-
- acl = gfs2_acl_get(GFS2_I(inode), ACL_TYPE_ACCESS);
- if (IS_ERR(acl))
- return PTR_ERR(acl);
-
- if (acl) {
- error = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- return error;
- }
-
- return -EAGAIN;
+ return gfs2_acl_get(GFS2_I(inode), type);
}
static int gfs2_set_mode(struct inode *inode, mode_t mode)
@@ -143,7 +116,7 @@ out:
int gfs2_acl_create(struct gfs2_inode *dip, struct inode *inode)
{
struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
mode_t mode = inode->i_mode;
int error = 0;
@@ -168,16 +141,10 @@ int gfs2_acl_create(struct gfs2_inode *dip, struct inode *inode)
goto out;
}
- clone = posix_acl_clone(acl, GFP_NOFS);
- error = -ENOMEM;
- if (!clone)
- goto out;
- posix_acl_release(acl);
- acl = clone;
-
- error = posix_acl_create_masq(acl, &mode);
+ error = posix_acl_create(&acl, GFP_NOFS, &mode);
if (error < 0)
- goto out;
+ return error;
+
if (error == 0)
goto munge;
@@ -193,7 +160,7 @@ out:
int gfs2_acl_chmod(struct gfs2_inode *ip, struct iattr *attr)
{
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
char *data;
unsigned int len;
int error;
@@ -204,25 +171,19 @@ int gfs2_acl_chmod(struct gfs2_inode *ip, struct iattr *attr)
if (!acl)
return gfs2_setattr_simple(ip, attr);
- clone = posix_acl_clone(acl, GFP_NOFS);
+ error = posix_acl_chmod(&acl, GFP_NOFS, attr->ia_mode);
+ if (error)
+ return error;
+
+ len = posix_acl_to_xattr(acl, NULL, 0);
+ data = kmalloc(len, GFP_NOFS);
error = -ENOMEM;
- if (!clone)
+ if (data == NULL)
goto out;
- posix_acl_release(acl);
- acl = clone;
-
- error = posix_acl_chmod_masq(acl, attr->ia_mode);
- if (!error) {
- len = posix_acl_to_xattr(acl, NULL, 0);
- data = kmalloc(len, GFP_NOFS);
- error = -ENOMEM;
- if (data == NULL)
- goto out;
- posix_acl_to_xattr(acl, data, len);
- error = gfs2_xattr_acl_chmod(ip, attr, data);
- kfree(data);
- set_cached_acl(&ip->i_inode, ACL_TYPE_ACCESS, acl);
- }
+ posix_acl_to_xattr(acl, data, len);
+ error = gfs2_xattr_acl_chmod(ip, attr, data);
+ kfree(data);
+ set_cached_acl(&ip->i_inode, ACL_TYPE_ACCESS, acl);
out:
posix_acl_release(acl);