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Retire HAVE_CURRENT_UMASK and HAVE_POSIX_ACL_CACHING

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Remove ZFS_AC_KERNEL_CURRENT_UMASK and ZFS_AC_KERNEL_POSIX_ACL_CACHING
configure checks, all supported kernel provide this functionality.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Nikolay Borisov <n.borisov.lkml@gmail.com>
Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Closes #4922
This commit is contained in:
Brian Behlendorf 2016-08-02 10:50:52 -07:00
parent 64aefee1b8
commit e85a6396b0
4 changed files with 0 additions and 56 deletions
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39
config/kernel-acl.m4
View File

@ -76,27 +76,6 @@ AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_CHMOD], [
])
])
dnl #
dnl # 2.6.30 API change,
dnl # caching of ACL into the inode was added in this version.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_CACHING], [
AC_MSG_CHECKING([whether inode has i_acl and i_default_acl])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
struct inode ino;
ino.i_acl = NULL;
ino.i_default_acl = NULL;
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_POSIX_ACL_CACHING, 1,
[inode contains i_acl and i_default_acl])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 3.1 API change,
dnl # posix_acl_equiv_mode now wants an umode_t* instead of a mode_t*
@ -246,21 +225,3 @@ AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_GET_ACL], [
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 2.6.30 API change,
dnl # current_umask exists only since this version.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_CURRENT_UMASK], [
AC_MSG_CHECKING([whether current_umask exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
current_umask();
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_CURRENT_UMASK, 1, [current_umask() exists])
],[
AC_MSG_RESULT(no)
])
])

2
config/kernel.m4
View File

@ -42,14 +42,12 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_POSIX_ACL_FROM_XATTR_USERNS
ZFS_AC_KERNEL_POSIX_ACL_RELEASE
ZFS_AC_KERNEL_POSIX_ACL_CHMOD
ZFS_AC_KERNEL_POSIX_ACL_CACHING
ZFS_AC_KERNEL_POSIX_ACL_EQUIV_MODE_WANTS_UMODE_T
ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION
ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION_WITH_NAMEIDATA
ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL
ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL_WITH_FLAGS
ZFS_AC_KERNEL_INODE_OPERATIONS_GET_ACL
ZFS_AC_KERNEL_CURRENT_UMASK
ZFS_AC_KERNEL_SHOW_OPTIONS
ZFS_AC_KERNEL_FILE_INODE
ZFS_AC_KERNEL_FSYNC

13
include/linux/vfs_compat.h
View File

@ -203,9 +203,6 @@ lseek_execute(
* At 60 seconds the kernel will also begin issuing RCU stall warnings.
*/
#include <linux/posix_acl.h>
#ifndef HAVE_POSIX_ACL_CACHING
#define ACL_NOT_CACHED ((void *)(-1))
#endif /* HAVE_POSIX_ACL_CACHING */
#if defined(HAVE_POSIX_ACL_RELEASE) && !defined(HAVE_POSIX_ACL_RELEASE_GPL_ONLY)
@ -234,7 +231,6 @@ zpl_posix_acl_release(struct posix_acl *acl)
static inline void
zpl_set_cached_acl(struct inode *ip, int type, struct posix_acl *newer) {
#ifdef HAVE_POSIX_ACL_CACHING
struct posix_acl *older = NULL;
spin_lock(&ip->i_lock);
@ -256,7 +252,6 @@ zpl_set_cached_acl(struct inode *ip, int type, struct posix_acl *newer) {
spin_unlock(&ip->i_lock);
zpl_posix_acl_release(older);
#endif /* HAVE_POSIX_ACL_CACHING */
}
static inline void
@ -323,14 +318,6 @@ typedef mode_t zpl_equivmode_t;
#endif /* HAVE_POSIX_ACL_EQUIV_MODE_UMODE_T */
#endif /* CONFIG_FS_POSIX_ACL */
#ifndef HAVE_CURRENT_UMASK
static inline int
current_umask(void)
{
return (current->fs->umask);
}
#endif /* HAVE_CURRENT_UMASK */
/*
* 2.6.38 API change,
* The is_owner_or_cap() function was renamed to inode_owner_or_capable().

2
module/zfs/zpl_xattr.c
View File

@ -1017,11 +1017,9 @@ zpl_get_acl(struct inode *ip, int type)
char *name;
int size;
#ifdef HAVE_POSIX_ACL_CACHING
acl = get_cached_acl(ip, type);
if (acl != ACL_NOT_CACHED)
return (acl);
#endif /* HAVE_POSIX_ACL_CACHING */
switch (type) {
case ACL_TYPE_ACCESS: