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Use set_cached_acl and forget_cached_acl when possible

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Originally, these two function are inline, so their usability is tied to
posix_acl_release. However, since Linux 3.14, they became EXPORT_SYMBOL, so we
can always use them. In this patch, we create an independent test for these
two functions so we can use them when possible.

Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
This commit is contained in:
Chunwei Chen
2016-11-01 17:19:52 -07:00
committed by Brian Behlendorf
parent 8e71ab99dc
commit 3779913b35
3 changed files with 38 additions and 8 deletions
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include/linux/vfs_compat.h
+6 -6
View File
@@ -205,13 +205,8 @@ lseek_execute(
#include <linux/posix_acl.h>
#if defined(HAVE_POSIX_ACL_RELEASE) && !defined(HAVE_POSIX_ACL_RELEASE_GPL_ONLY)
#define zpl_posix_acl_release(arg) posix_acl_release(arg)
#define zpl_set_cached_acl(ip, ty, n) set_cached_acl(ip, ty, n)
#define zpl_forget_cached_acl(ip, ty) forget_cached_acl(ip, ty)
#else
void zpl_posix_acl_release_impl(struct posix_acl *);
static inline void
@@ -223,7 +218,12 @@ zpl_posix_acl_release(struct posix_acl *acl)
if (atomic_dec_and_test(&acl->a_refcount))
zpl_posix_acl_release_impl(acl);
}
#endif /* HAVE_POSIX_ACL_RELEASE */
#ifdef HAVE_SET_CACHED_ACL_USABLE
#define zpl_set_cached_acl(ip, ty, n) set_cached_acl(ip, ty, n)
#define zpl_forget_cached_acl(ip, ty) forget_cached_acl(ip, ty)
#else
static inline void
zpl_set_cached_acl(struct inode *ip, int type, struct posix_acl *newer) {
struct posix_acl *older = NULL;
@@ -253,7 +253,7 @@ static inline void
zpl_forget_cached_acl(struct inode *ip, int type) {
zpl_set_cached_acl(ip, type, (struct posix_acl *)ACL_NOT_CACHED);
}
#endif /* HAVE_POSIX_ACL_RELEASE */
#endif /* HAVE_SET_CACHED_ACL_USABLE */
#ifndef HAVE___POSIX_ACL_CHMOD
#ifdef HAVE_POSIX_ACL_CHMOD