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-rw-r--r--fs/ext4/acl.c67
-rw-r--r--fs/ext4/acl.h4
-rw-r--r--fs/ext4/ext4.h4
-rw-r--r--fs/ext4/inode.c4
-rw-r--r--fs/ext4/super.c16
5 files changed, 9 insertions, 86 deletions
diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
index 605aeed96d68..f6d8967149ca 100644
--- a/fs/ext4/acl.c
+++ b/fs/ext4/acl.c
@@ -126,33 +126,6 @@ fail:
return ERR_PTR(-EINVAL);
}
-static inline struct posix_acl *
-ext4_iget_acl(struct inode *inode, struct posix_acl **i_acl)
-{
- struct posix_acl *acl = ACCESS_ONCE(*i_acl);
-
- if (acl) {
- spin_lock(&inode->i_lock);
- acl = *i_acl;
- if (acl != EXT4_ACL_NOT_CACHED)
- acl = posix_acl_dup(acl);
- spin_unlock(&inode->i_lock);
- }
-
- return acl;
-}
-
-static inline void
-ext4_iset_acl(struct inode *inode, struct posix_acl **i_acl,
- struct posix_acl *acl)
-{
- spin_lock(&inode->i_lock);
- if (*i_acl != EXT4_ACL_NOT_CACHED)
- posix_acl_release(*i_acl);
- *i_acl = posix_acl_dup(acl);
- spin_unlock(&inode->i_lock);
-}
-
/*
* Inode operation get_posix_acl().
*
@@ -161,7 +134,6 @@ ext4_iset_acl(struct inode *inode, struct posix_acl **i_acl,
static struct posix_acl *
ext4_get_acl(struct inode *inode, int type)
{
- struct ext4_inode_info *ei = EXT4_I(inode);
int name_index;
char *value = NULL;
struct posix_acl *acl;
@@ -170,23 +142,19 @@ ext4_get_acl(struct inode *inode, int type)
if (!test_opt(inode->i_sb, POSIX_ACL))
return NULL;
+ acl = get_cached_acl(inode, type);
+ if (acl != ACL_NOT_CACHED)
+ return acl;
+
switch (type) {
case ACL_TYPE_ACCESS:
- acl = ext4_iget_acl(inode, &ei->i_acl);
- if (acl != EXT4_ACL_NOT_CACHED)
- return acl;
name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS;
break;
-
case ACL_TYPE_DEFAULT:
- acl = ext4_iget_acl(inode, &ei->i_default_acl);
- if (acl != EXT4_ACL_NOT_CACHED)
- return acl;
name_index = EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT;
break;
-
default:
- return ERR_PTR(-EINVAL);
+ BUG();
}
retval = ext4_xattr_get(inode, name_index, "", NULL, 0);
if (retval > 0) {
@@ -203,17 +171,9 @@ ext4_get_acl(struct inode *inode, int type)
acl = ERR_PTR(retval);
kfree(value);
- if (!IS_ERR(acl)) {
- switch (type) {
- case ACL_TYPE_ACCESS:
- ext4_iset_acl(inode, &ei->i_acl, acl);
- break;
+ if (!IS_ERR(acl))
+ set_cached_acl(inode, type, acl);
- case ACL_TYPE_DEFAULT:
- ext4_iset_acl(inode, &ei->i_default_acl, acl);
- break;
- }
- }
return acl;
}
@@ -226,7 +186,6 @@ static int
ext4_set_acl(handle_t *handle, struct inode *inode, int type,
struct posix_acl *acl)
{
- struct ext4_inode_info *ei = EXT4_I(inode);
int name_index;
void *value = NULL;
size_t size = 0;
@@ -271,17 +230,9 @@ ext4_set_acl(handle_t *handle, struct inode *inode, int type,
value, size, 0);
kfree(value);
- if (!error) {
- switch (type) {
- case ACL_TYPE_ACCESS:
- ext4_iset_acl(inode, &ei->i_acl, acl);
- break;
+ if (!error)
+ set_cached_acl(inode, type, acl);
- case ACL_TYPE_DEFAULT:
- ext4_iset_acl(inode, &ei->i_default_acl, acl);
- break;
- }
- }
return error;
}
diff --git a/fs/ext4/acl.h b/fs/ext4/acl.h
index cb45257a246e..949789d2bba6 100644
--- a/fs/ext4/acl.h
+++ b/fs/ext4/acl.h
@@ -53,10 +53,6 @@ static inline int ext4_acl_count(size_t size)
#ifdef CONFIG_EXT4_FS_POSIX_ACL
-/* Value for inode->u.ext4_i.i_acl and inode->u.ext4_i.i_default_acl
- if the ACL has not been cached */
-#define EXT4_ACL_NOT_CACHED ((void *)-1)
-
/* acl.c */
extern int ext4_permission(struct inode *, int);
extern int ext4_acl_chmod(struct inode *);
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 17b9998680e3..0ddf7e55abe1 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -595,10 +595,6 @@ struct ext4_inode_info {
*/
struct rw_semaphore xattr_sem;
#endif
-#ifdef CONFIG_EXT4_FS_POSIX_ACL
- struct posix_acl *i_acl;
- struct posix_acl *i_default_acl;
-#endif
struct list_head i_orphan; /* unlinked but open inodes */
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 7c17ae275af4..60a26f3a6f8b 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4453,10 +4453,6 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
return inode;
ei = EXT4_I(inode);
-#ifdef CONFIG_EXT4_FS_POSIX_ACL
- ei->i_acl = EXT4_ACL_NOT_CACHED;
- ei->i_default_acl = EXT4_ACL_NOT_CACHED;
-#endif
ret = __ext4_get_inode_loc(inode, &iloc, 0);
if (ret < 0)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 8bb9e2d3e4b8..8f4f079e6b9a 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -666,10 +666,6 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
if (!ei)
return NULL;
-#ifdef CONFIG_EXT4_FS_POSIX_ACL
- ei->i_acl = EXT4_ACL_NOT_CACHED;
- ei->i_default_acl = EXT4_ACL_NOT_CACHED;
-#endif
ei->vfs_inode.i_version = 1;
ei->vfs_inode.i_data.writeback_index = 0;
memset(&ei->i_cached_extent, 0, sizeof(struct ext4_ext_cache));
@@ -735,18 +731,6 @@ static void destroy_inodecache(void)
static void ext4_clear_inode(struct inode *inode)
{
-#ifdef CONFIG_EXT4_FS_POSIX_ACL
- if (EXT4_I(inode)->i_acl &&
- EXT4_I(inode)->i_acl != EXT4_ACL_NOT_CACHED) {
- posix_acl_release(EXT4_I(inode)->i_acl);
- EXT4_I(inode)->i_acl = EXT4_ACL_NOT_CACHED;
- }
- if (EXT4_I(inode)->i_default_acl &&
- EXT4_I(inode)->i_default_acl != EXT4_ACL_NOT_CACHED) {
- posix_acl_release(EXT4_I(inode)->i_default_acl);
- EXT4_I(inode)->i_default_acl = EXT4_ACL_NOT_CACHED;
- }
-#endif
ext4_discard_preallocations(inode);
if (EXT4_JOURNAL(inode))
jbd2_journal_release_jbd_inode(EXT4_SB(inode->i_sb)->s_journal,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.