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Don't cache ACL's in newer kernels.

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The caller takes care of caching for us. Us doing caching
messes with memory management of cached ACLs and breaks.

Signed-off-by: Auke Kok <auke.kok@versity.com>
This commit is contained in:
Auke Kok
2023-07-05 18:17:18 -04:00
parent 11c041d2ea
commit 29160b0bc6
1 changed files with 8 additions and 0 deletions
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8
kmod/src/acl.c
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@@ -69,12 +69,14 @@ struct posix_acl *scoutfs_get_acl_locked(struct inode *inode, int type, struct s
char *name;
int ret;
#ifndef KC___POSIX_ACL_CREATE
if (!IS_POSIXACL(inode))
return NULL;
acl = get_cached_acl(inode, type);
if (acl != ACL_NOT_CACHED)
return acl;
#endif
ret = acl_xattr_name_len(type, &name, NULL);
if (ret < 0)
@@ -96,9 +98,11 @@ struct posix_acl *scoutfs_get_acl_locked(struct inode *inode, int type, struct s
acl = ERR_PTR(ret);
}
#ifndef KC___POSIX_ACL_CREATE
/* can set null negative cache */
if (!IS_ERR(acl))
set_cached_acl(inode, type, acl);
#endif
kfree(value);
@@ -112,8 +116,10 @@ struct posix_acl *scoutfs_get_acl(struct inode *inode, int type)
struct posix_acl *acl;
int ret;
#ifndef KC___POSIX_ACL_CREATE
if (!IS_POSIXACL(inode))
return NULL;
#endif
ret = scoutfs_lock_inode(sb, SCOUTFS_LOCK_READ, 0, inode, &lock);
if (ret < 0) {
@@ -188,8 +194,10 @@ int scoutfs_set_acl_locked(struct inode *inode, struct posix_acl *acl, int type,
}
out:
#ifndef KC___POSIX_ACL_CREATE
if (!ret)
set_cached_acl(inode, type, acl);
#endif
kfree(value);