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Diffstat (limited to 'fs/ext2/acl.c')
-rw-r--r--fs/ext2/acl.c65
1 files changed, 13 insertions, 52 deletions
diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c
index abea5a17c764..35d6a3cfd9ff 100644
--- a/fs/ext2/acl.c
+++ b/fs/ext2/acl.c
@@ -128,7 +128,7 @@ fail:
/*
* inode->i_mutex: don't care
*/
-static struct posix_acl *
+struct posix_acl *
ext2_get_acl(struct inode *inode, int type)
{
int name_index;
@@ -194,12 +194,10 @@ ext2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
case ACL_TYPE_ACCESS:
name_index = EXT2_XATTR_INDEX_POSIX_ACL_ACCESS;
if (acl) {
- mode_t mode = inode->i_mode;
- error = posix_acl_equiv_mode(acl, &mode);
+ error = posix_acl_equiv_mode(acl, &inode->i_mode);
if (error < 0)
return error;
else {
- inode->i_mode = mode;
inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(inode);
if (error == 0)
@@ -231,29 +229,6 @@ ext2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
return error;
}
-int
-ext2_check_acl(struct inode *inode, int mask, unsigned int flags)
-{
- struct posix_acl *acl;
-
- if (flags & IPERM_FLAG_RCU) {
- if (!negative_cached_acl(inode, ACL_TYPE_ACCESS))
- return -ECHILD;
- return -EAGAIN;
- }
-
- acl = ext2_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 ext2_new_inode.
*
@@ -276,29 +251,18 @@ ext2_init_acl(struct inode *inode, struct inode *dir)
inode->i_mode &= ~current_umask();
}
if (test_opt(inode->i_sb, POSIX_ACL) && acl) {
- struct posix_acl *clone;
- mode_t mode;
-
if (S_ISDIR(inode->i_mode)) {
error = ext2_set_acl(inode, ACL_TYPE_DEFAULT, acl);
if (error)
goto cleanup;
}
- clone = posix_acl_clone(acl, GFP_KERNEL);
- error = -ENOMEM;
- if (!clone)
- goto cleanup;
- mode = inode->i_mode;
- error = posix_acl_create_masq(clone, &mode);
- if (error >= 0) {
- inode->i_mode = mode;
- if (error > 0) {
- /* This is an extended ACL */
- error = ext2_set_acl(inode,
- ACL_TYPE_ACCESS, clone);
- }
+ error = posix_acl_create(&acl, GFP_KERNEL, &inode->i_mode);
+ if (error < 0)
+ return error;
+ if (error > 0) {
+ /* This is an extended ACL */
+ error = ext2_set_acl(inode, ACL_TYPE_ACCESS, acl);
}
- posix_acl_release(clone);
}
cleanup:
posix_acl_release(acl);
@@ -322,7 +286,7 @@ cleanup:
int
ext2_acl_chmod(struct inode *inode)
{
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
int error;
if (!test_opt(inode->i_sb, POSIX_ACL))
@@ -332,14 +296,11 @@ ext2_acl_chmod(struct inode *inode)
acl = ext2_get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(acl) || !acl)
return PTR_ERR(acl);
- clone = posix_acl_clone(acl, GFP_KERNEL);
+ error = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
+ if (error)
+ return error;
+ error = ext2_set_acl(inode, ACL_TYPE_ACCESS, acl);
posix_acl_release(acl);
- if (!clone)
- return -ENOMEM;
- error = posix_acl_chmod_masq(clone, inode->i_mode);
- if (!error)
- error = ext2_set_acl(inode, ACL_TYPE_ACCESS, clone);
- posix_acl_release(clone);
return error;
}