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OpenCloudOS-Kernel
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switch ext2 to inode->i_acl 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-06-08 19:52:55 -04:00
parent f19d4a8fa6
commit 5e78b43568
5 changed files with 11 additions and 41 deletions
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24
fs/ext2/acl.c
View File

@ -128,10 +128,10 @@ fail:
static inline struct posix_acl *
ext2_iget_acl(struct inode *inode, struct posix_acl **i_acl)
{
struct posix_acl *acl = EXT2_ACL_NOT_CACHED;
struct posix_acl *acl = ACL_NOT_CACHED;
spin_lock(&inode->i_lock);
if (*i_acl != EXT2_ACL_NOT_CACHED)
if (*i_acl != ACL_NOT_CACHED)
acl = posix_acl_dup(*i_acl);
spin_unlock(&inode->i_lock);
@ -143,7 +143,7 @@ ext2_iset_acl(struct inode *inode, struct posix_acl **i_acl,
struct posix_acl *acl)
{
spin_lock(&inode->i_lock);
if (*i_acl != EXT2_ACL_NOT_CACHED)
if (*i_acl != ACL_NOT_CACHED)
posix_acl_release(*i_acl);
*i_acl = posix_acl_dup(acl);
spin_unlock(&inode->i_lock);
@ -155,7 +155,6 @@ ext2_iset_acl(struct inode *inode, struct posix_acl **i_acl,
static struct posix_acl *
ext2_get_acl(struct inode *inode, int type)
{
struct ext2_inode_info *ei = EXT2_I(inode);
int name_index;
char *value = NULL;
struct posix_acl *acl;
@ -166,15 +165,15 @@ ext2_get_acl(struct inode *inode, int type)
switch(type) {
case ACL_TYPE_ACCESS:
acl = ext2_iget_acl(inode, &ei->i_acl);
if (acl != EXT2_ACL_NOT_CACHED)
acl = ext2_iget_acl(inode, &inode->i_acl);
if (acl != ACL_NOT_CACHED)
return acl;
name_index = EXT2_XATTR_INDEX_POSIX_ACL_ACCESS;
break;
case ACL_TYPE_DEFAULT:
acl = ext2_iget_acl(inode, &ei->i_default_acl);
if (acl != EXT2_ACL_NOT_CACHED)
acl = ext2_iget_acl(inode, &inode->i_default_acl);
if (acl != ACL_NOT_CACHED)
return acl;
name_index = EXT2_XATTR_INDEX_POSIX_ACL_DEFAULT;
break;
@ -200,11 +199,11 @@ ext2_get_acl(struct inode *inode, int type)
if (!IS_ERR(acl)) {
switch(type) {
case ACL_TYPE_ACCESS:
ext2_iset_acl(inode, &ei->i_acl, acl);
ext2_iset_acl(inode, &inode->i_acl, acl);
break;
case ACL_TYPE_DEFAULT:
ext2_iset_acl(inode, &ei->i_default_acl, acl);
ext2_iset_acl(inode, &inode->i_default_acl, acl);
break;
}
}
@ -217,7 +216,6 @@ ext2_get_acl(struct inode *inode, int type)
static int
ext2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
{
struct ext2_inode_info *ei = EXT2_I(inode);
int name_index;
void *value = NULL;
size_t size = 0;
@ -266,11 +264,11 @@ ext2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
if (!error) {
switch(type) {
case ACL_TYPE_ACCESS:
ext2_iset_acl(inode, &ei->i_acl, acl);
ext2_iset_acl(inode, &inode->i_acl, acl);
break;
case ACL_TYPE_DEFAULT:
ext2_iset_acl(inode, &ei->i_default_acl, acl);
ext2_iset_acl(inode, &inode->i_default_acl, acl);
break;
}
}

4
fs/ext2/acl.h
View File

@ -53,10 +53,6 @@ static inline int ext2_acl_count(size_t size)
#ifdef CONFIG_EXT2_FS_POSIX_ACL
/* Value for inode->u.ext2_i.i_acl and inode->u.ext2_i.i_default_acl
if the ACL has not been cached */
#define EXT2_ACL_NOT_CACHED ((void *)-1)
/* acl.c */
extern int ext2_permission (struct inode *, int);
extern int ext2_acl_chmod (struct inode *);

4
fs/ext2/ext2.h
View File

@ -46,10 +46,6 @@ struct ext2_inode_info {
* EAs.
*/
struct rw_semaphore xattr_sem;
#endif
#ifdef CONFIG_EXT2_FS_POSIX_ACL
struct posix_acl *i_acl;
struct posix_acl *i_default_acl;
#endif
rwlock_t i_meta_lock;

4
fs/ext2/inode.c
View File

@ -1224,10 +1224,6 @@ struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
return inode;
ei = EXT2_I(inode);
#ifdef CONFIG_EXT2_FS_POSIX_ACL
ei->i_acl = EXT2_ACL_NOT_CACHED;
ei->i_default_acl = EXT2_ACL_NOT_CACHED;
#endif
ei->i_block_alloc_info = NULL;
raw_inode = ext2_get_inode(inode->i_sb, ino, &bh);

16
fs/ext2/super.c
View File

@ -152,10 +152,6 @@ static struct inode *ext2_alloc_inode(struct super_block *sb)
ei = (struct ext2_inode_info *)kmem_cache_alloc(ext2_inode_cachep, GFP_KERNEL);
if (!ei)
return NULL;
#ifdef CONFIG_EXT2_FS_POSIX_ACL
ei->i_acl = EXT2_ACL_NOT_CACHED;
ei->i_default_acl = EXT2_ACL_NOT_CACHED;
#endif
ei->i_block_alloc_info = NULL;
ei->vfs_inode.i_version = 1;
return &ei->vfs_inode;
@ -198,18 +194,6 @@ static void destroy_inodecache(void)
static void ext2_clear_inode(struct inode *inode)
{
struct ext2_block_alloc_info *rsv = EXT2_I(inode)->i_block_alloc_info;
#ifdef CONFIG_EXT2_FS_POSIX_ACL
struct ext2_inode_info *ei = EXT2_I(inode);
if (ei->i_acl && ei->i_acl != EXT2_ACL_NOT_CACHED) {
posix_acl_release(ei->i_acl);
ei->i_acl = EXT2_ACL_NOT_CACHED;
}
if (ei->i_default_acl && ei->i_default_acl != EXT2_ACL_NOT_CACHED) {
posix_acl_release(ei->i_default_acl);
ei->i_default_acl = EXT2_ACL_NOT_CACHED;
}
#endif
ext2_discard_reservation(inode);
EXT2_I(inode)->i_block_alloc_info = NULL;
if (unlikely(rsv))