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path: root/fs/reiserfs/xattr_acl.c
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Diffstat (limited to 'fs/reiserfs/xattr_acl.c')
-rw-r--r--fs/reiserfs/xattr_acl.c58
1 files changed, 11 insertions, 47 deletions
diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c
index c303c426fe2..35d6e672a27 100644
--- a/fs/reiserfs/xattr_acl.c
+++ b/fs/reiserfs/xattr_acl.c
@@ -188,29 +188,6 @@ static void *posix_acl_to_disk(const struct posix_acl *acl, size_t * size)
return ERR_PTR(-EINVAL);
}
-static inline void iset_acl(struct inode *inode, struct posix_acl **i_acl,
- struct posix_acl *acl)
-{
- spin_lock(&inode->i_lock);
- if (*i_acl != ERR_PTR(-ENODATA))
- posix_acl_release(*i_acl);
- *i_acl = posix_acl_dup(acl);
- spin_unlock(&inode->i_lock);
-}
-
-static inline struct posix_acl *iget_acl(struct inode *inode,
- struct posix_acl **i_acl)
-{
- struct posix_acl *acl = ERR_PTR(-ENODATA);
-
- spin_lock(&inode->i_lock);
- if (*i_acl != ERR_PTR(-ENODATA))
- acl = posix_acl_dup(*i_acl);
- spin_unlock(&inode->i_lock);
-
- return acl;
-}
-
/*
* Inode operation get_posix_acl().
*
@@ -220,34 +197,29 @@ static inline struct posix_acl *iget_acl(struct inode *inode,
struct posix_acl *reiserfs_get_acl(struct inode *inode, int type)
{
char *name, *value;
- struct posix_acl *acl, **p_acl;
+ struct posix_acl *acl;
int size;
int retval;
- struct reiserfs_inode_info *reiserfs_i = REISERFS_I(inode);
+
+ acl = get_cached_acl(inode, type);
+ if (acl != ACL_NOT_CACHED)
+ return acl;
switch (type) {
case ACL_TYPE_ACCESS:
name = POSIX_ACL_XATTR_ACCESS;
- p_acl = &reiserfs_i->i_acl_access;
break;
case ACL_TYPE_DEFAULT:
name = POSIX_ACL_XATTR_DEFAULT;
- p_acl = &reiserfs_i->i_acl_default;
break;
default:
- return ERR_PTR(-EINVAL);
+ BUG();
}
- acl = iget_acl(inode, p_acl);
- if (acl && !IS_ERR(acl))
- return acl;
- else if (PTR_ERR(acl) == -ENODATA)
- return NULL;
-
size = reiserfs_xattr_get(inode, name, NULL, 0);
if (size < 0) {
if (size == -ENODATA || size == -ENOSYS) {
- *p_acl = ERR_PTR(-ENODATA);
+ set_cached_acl(inode, type, NULL);
return NULL;
}
return ERR_PTR(size);
@@ -262,14 +234,13 @@ struct posix_acl *reiserfs_get_acl(struct inode *inode, int type)
/* This shouldn't actually happen as it should have
been caught above.. but just in case */
acl = NULL;
- *p_acl = ERR_PTR(-ENODATA);
} else if (retval < 0) {
acl = ERR_PTR(retval);
} else {
acl = posix_acl_from_disk(value, retval);
- if (!IS_ERR(acl))
- iset_acl(inode, p_acl, acl);
}
+ if (!IS_ERR(acl))
+ set_cached_acl(inode, type, acl);
kfree(value);
return acl;
@@ -287,10 +258,8 @@ reiserfs_set_acl(struct reiserfs_transaction_handle *th, struct inode *inode,
{
char *name;
void *value = NULL;
- struct posix_acl **p_acl;
size_t size = 0;
int error;
- struct reiserfs_inode_info *reiserfs_i = REISERFS_I(inode);
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
@@ -298,7 +267,6 @@ reiserfs_set_acl(struct reiserfs_transaction_handle *th, struct inode *inode,
switch (type) {
case ACL_TYPE_ACCESS:
name = POSIX_ACL_XATTR_ACCESS;
- p_acl = &reiserfs_i->i_acl_access;
if (acl) {
mode_t mode = inode->i_mode;
error = posix_acl_equiv_mode(acl, &mode);
@@ -313,7 +281,6 @@ reiserfs_set_acl(struct reiserfs_transaction_handle *th, struct inode *inode,
break;
case ACL_TYPE_DEFAULT:
name = POSIX_ACL_XATTR_DEFAULT;
- p_acl = &reiserfs_i->i_acl_default;
if (!S_ISDIR(inode->i_mode))
return acl ? -EACCES : 0;
break;
@@ -346,7 +313,7 @@ reiserfs_set_acl(struct reiserfs_transaction_handle *th, struct inode *inode,
kfree(value);
if (!error)
- iset_acl(inode, p_acl, acl);
+ set_cached_acl(inode, type, acl);
return error;
}
@@ -379,11 +346,8 @@ reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th,
}
acl = reiserfs_get_acl(dir, ACL_TYPE_DEFAULT);
- if (IS_ERR(acl)) {
- if (PTR_ERR(acl) == -ENODATA)
- goto apply_umask;
+ if (IS_ERR(acl))
return PTR_ERR(acl);
- }
if (acl) {
struct posix_acl *acl_copy;