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switch jfs to inode->i_acl

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-06-08 19:54:52 -04:00
parent d4bfe2f76d
commit 05fc0790b6
4 changed files with 15 additions and 41 deletions
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22
fs/jfs/acl.c
View file

@ -31,7 +31,6 @@ static struct posix_acl *jfs_get_acl(struct inode *inode, int type)
{
struct posix_acl *acl;
char *ea_name;
struct jfs_inode_info *ji = JFS_IP(inode);
struct posix_acl **p_acl;
int size;
char *value = NULL;
@ -39,17 +38,17 @@ static struct posix_acl *jfs_get_acl(struct inode *inode, int type)
switch(type) {
case ACL_TYPE_ACCESS:
ea_name = POSIX_ACL_XATTR_ACCESS;
p_acl = &ji->i_acl;
p_acl = &inode->i_acl;
break;
case ACL_TYPE_DEFAULT:
ea_name = POSIX_ACL_XATTR_DEFAULT;
p_acl = &ji->i_default_acl;
p_acl = &inode->i_default_acl;
break;
default:
return ERR_PTR(-EINVAL);
}
if (*p_acl != JFS_ACL_NOT_CACHED)
if (*p_acl != ACL_NOT_CACHED)
return posix_acl_dup(*p_acl);
size = __jfs_getxattr(inode, ea_name, NULL, 0);
@ -80,7 +79,6 @@ static int jfs_set_acl(tid_t tid, struct inode *inode, int type,
struct posix_acl *acl)
{
char *ea_name;
struct jfs_inode_info *ji = JFS_IP(inode);
struct posix_acl **p_acl;
int rc;
int size = 0;
@ -92,11 +90,11 @@ static int jfs_set_acl(tid_t tid, struct inode *inode, int type,
switch(type) {
case ACL_TYPE_ACCESS:
ea_name = POSIX_ACL_XATTR_ACCESS;
p_acl = &ji->i_acl;
p_acl = &inode->i_acl;
break;
case ACL_TYPE_DEFAULT:
ea_name = POSIX_ACL_XATTR_DEFAULT;
p_acl = &ji->i_default_acl;
p_acl = &inode->i_default_acl;
if (!S_ISDIR(inode->i_mode))
return acl ? -EACCES : 0;
break;
@ -117,7 +115,7 @@ out:
kfree(value);
if (!rc) {
if (*p_acl && (*p_acl != JFS_ACL_NOT_CACHED))
if (*p_acl && (*p_acl != ACL_NOT_CACHED))
posix_acl_release(*p_acl);
*p_acl = posix_acl_dup(acl);
}
@ -126,17 +124,15 @@ out:
static int jfs_check_acl(struct inode *inode, int mask)
{
struct jfs_inode_info *ji = JFS_IP(inode);
if (ji->i_acl == JFS_ACL_NOT_CACHED) {
if (inode->i_acl == ACL_NOT_CACHED) {
struct posix_acl *acl = jfs_get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(acl))
return PTR_ERR(acl);
posix_acl_release(acl);
}
if (ji->i_acl)
return posix_acl_permission(inode, ji->i_acl, mask);
if (inode->i_acl)
return posix_acl_permission(inode, inode->i_acl, mask);
return -EAGAIN;
}

6
fs/jfs/jfs_incore.h
View file

@ -74,10 +74,6 @@ struct jfs_inode_info {
/* xattr_sem allows us to access the xattrs without taking i_mutex */
struct rw_semaphore xattr_sem;
lid_t xtlid; /* lid of xtree lock on directory */
#ifdef CONFIG_JFS_POSIX_ACL
struct posix_acl *i_acl;
struct posix_acl *i_default_acl;
#endif
union {
struct {
xtpage_t _xtroot; /* 288: xtree root */
@ -107,8 +103,6 @@ struct jfs_inode_info {
#define i_inline u.link._inline
#define i_inline_ea u.link._inline_ea
#define JFS_ACL_NOT_CACHED ((void *)-1)
#define IREAD_LOCK(ip, subclass) \
down_read_nested(&JFS_IP(ip)->rdwrlock, subclass)
#define IREAD_UNLOCK(ip) up_read(&JFS_IP(ip)->rdwrlock)

16
fs/jfs/super.c
View file

@ -128,18 +128,6 @@ static void jfs_destroy_inode(struct inode *inode)
ji->active_ag = -1;
}
spin_unlock_irq(&ji->ag_lock);
#ifdef CONFIG_JFS_POSIX_ACL
if (ji->i_acl != JFS_ACL_NOT_CACHED) {
posix_acl_release(ji->i_acl);
ji->i_acl = JFS_ACL_NOT_CACHED;
}
if (ji->i_default_acl != JFS_ACL_NOT_CACHED) {
posix_acl_release(ji->i_default_acl);
ji->i_default_acl = JFS_ACL_NOT_CACHED;
}
#endif
kmem_cache_free(jfs_inode_cachep, ji);
}
@ -798,10 +786,6 @@ static void init_once(void *foo)
init_rwsem(&jfs_ip->xattr_sem);
spin_lock_init(&jfs_ip->ag_lock);
jfs_ip->active_ag = -1;
#ifdef CONFIG_JFS_POSIX_ACL
jfs_ip->i_acl = JFS_ACL_NOT_CACHED;
jfs_ip->i_default_acl = JFS_ACL_NOT_CACHED;
#endif
inode_init_once(&jfs_ip->vfs_inode);
}

12
fs/jfs/xattr.c
View file

@ -727,10 +727,10 @@ static int can_set_system_xattr(struct inode *inode, const char *name,
/*
* We're changing the ACL. Get rid of the cached one
*/
acl =JFS_IP(inode)->i_acl;
if (acl != JFS_ACL_NOT_CACHED)
acl =inode->i_acl;
if (acl != ACL_NOT_CACHED)
posix_acl_release(acl);
JFS_IP(inode)->i_acl = JFS_ACL_NOT_CACHED;
inode->i_acl = ACL_NOT_CACHED;
return 0;
} else if (strcmp(name, POSIX_ACL_XATTR_DEFAULT) == 0) {
@ -746,10 +746,10 @@ static int can_set_system_xattr(struct inode *inode, const char *name,
/*
* We're changing the default ACL. Get rid of the cached one
*/
acl =JFS_IP(inode)->i_default_acl;
if (acl && (acl != JFS_ACL_NOT_CACHED))
acl = inode->i_default_acl;
if (acl && (acl != ACL_NOT_CACHED))
posix_acl_release(acl);
JFS_IP(inode)->i_default_acl = JFS_ACL_NOT_CACHED;
inode->i_default_acl = ACL_NOT_CACHED;
return 0;
}