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Implemented NFS export_operations.

Browse Source 
Implemented the required NFS operations for exporting ZFS datasets
using the in-kernel NFS daemon.
This commit is contained in:
Gunnar Beutner 2011-04-28 18:35:50 +02:00 committed by Brian Behlendorf
parent 5476e6952c
commit 055656d4f4
61 changed files with 273 additions and 12 deletions
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1
Makefile.in
View File

@ -66,6 +66,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
cmd/Makefile.in
View File

@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
cmd/mount_zfs/Makefile.in
View File

@ -54,6 +54,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
cmd/zdb/Makefile.in
View File

@ -54,6 +54,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
cmd/zfs/Makefile.in
View File

@ -54,6 +54,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
cmd/zinject/Makefile.in
View File

@ -54,6 +54,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
cmd/zpios/Makefile.in
View File

@ -54,6 +54,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
cmd/zpool/Makefile.in
View File

@ -54,6 +54,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
cmd/zpool_id/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
cmd/zpool_layout/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
cmd/ztest/Makefile.in
View File

@ -54,6 +54,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
cmd/zvol_id/Makefile.in
View File

@ -54,6 +54,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

12
config/kernel-d-obtain-alias.m4 Normal file
View File

@ -0,0 +1,12 @@
dnl #
dnl # 2.6.28 API change
dnl # Added d_obtain_alias() helper function.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_D_OBTAIN_ALIAS], [
ZFS_CHECK_SYMBOL_EXPORT(
[d_obtain_alias],
[fs/dcache.c],
[AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1,
[d_obtain_alias() is available])],
[])
])

1
config/kernel.m4
View File

@ -35,6 +35,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_FSYNC_2ARGS
ZFS_AC_KERNEL_EVICT_INODE
ZFS_AC_KERNEL_INSERT_INODE_LOCKED
ZFS_AC_KERNEL_D_OBTAIN_ALIAS
if test "$LINUX_OBJ" != "$LINUX"; then
KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ"

80
configure vendored
View File

@ -14358,6 +14358,46 @@ _ACEOF
{ $as_echo "$as_me:$LINENO: checking whether symbol d_obtain_alias is exported" >&5
$as_echo_n "checking whether symbol d_obtain_alias is exported... " >&6; }
grep -q -E '[[:space:]]d_obtain_alias[[:space:]]' \
$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
rc=$?
if test $rc -ne 0; then
export=0
for file in fs/dcache.c; do
grep -q -E "EXPORT_SYMBOL.*(d_obtain_alias)" "$LINUX/$file" 2>/dev/null
rc=$?
if test $rc -eq 0; then
export=1
break;
fi
done
if test $export -eq 0; then
{ $as_echo "$as_me:$LINENO: result: no" >&5
$as_echo "no" >&6; }
else
{ $as_echo "$as_me:$LINENO: result: yes" >&5
$as_echo "yes" >&6; }
cat >>confdefs.h <<\_ACEOF
#define HAVE_D_OBTAIN_ALIAS 1
_ACEOF
fi
else
{ $as_echo "$as_me:$LINENO: result: yes" >&5
$as_echo "yes" >&6; }
cat >>confdefs.h <<\_ACEOF
#define HAVE_D_OBTAIN_ALIAS 1
_ACEOF
fi
if test "$LINUX_OBJ" != "$LINUX"; then
KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ"
fi
@ -18404,6 +18444,46 @@ _ACEOF
{ $as_echo "$as_me:$LINENO: checking whether symbol d_obtain_alias is exported" >&5
$as_echo_n "checking whether symbol d_obtain_alias is exported... " >&6; }
grep -q -E '[[:space:]]d_obtain_alias[[:space:]]' \
$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
rc=$?
if test $rc -ne 0; then
export=0
for file in fs/dcache.c; do
grep -q -E "EXPORT_SYMBOL.*(d_obtain_alias)" "$LINUX/$file" 2>/dev/null
rc=$?
if test $rc -eq 0; then
export=1
break;
fi
done
if test $export -eq 0; then
{ $as_echo "$as_me:$LINENO: result: no" >&5
$as_echo "no" >&6; }
else
{ $as_echo "$as_me:$LINENO: result: yes" >&5
$as_echo "yes" >&6; }
cat >>confdefs.h <<\_ACEOF
#define HAVE_D_OBTAIN_ALIAS 1
_ACEOF
fi
else
{ $as_echo "$as_me:$LINENO: result: yes" >&5
$as_echo "yes" >&6; }
cat >>confdefs.h <<\_ACEOF
#define HAVE_D_OBTAIN_ALIAS 1
_ACEOF
fi
if test "$LINUX_OBJ" != "$LINUX"; then
KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ"
fi

1
dracut/90zfs/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
dracut/Makefile.in
View File

@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
etc/Makefile.in
View File

@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
etc/init.d/Makefile.in
View File

@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
etc/udev/Makefile.in
View File

@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
etc/udev/rules.d/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
etc/zfs/Makefile.in
View File

@ -52,6 +52,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
include/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
include/linux/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
include/sys/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
include/sys/fm/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
include/sys/fm/fs/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
include/sys/fs/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

3
include/sys/zpl.h
View File

@ -28,6 +28,7 @@
#include <sys/vfs.h>
#include <linux/vfs_compat.h>
#include <linux/xattr_compat.h>
#include <linux/exportfs.h>
/* zpl_inode.c */
extern const struct inode_operations zpl_inode_operations;
@ -53,7 +54,7 @@ typedef struct zpl_mount_data {
} zpl_mount_data_t;
extern const struct super_operations zpl_super_operations;
/* extern const struct export_operations zpl_export_operations; */
extern const struct export_operations zpl_export_operations;
extern struct file_system_type zpl_fs_type;
/* zpl_xattr.c */

1
lib/Makefile.in
View File

@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libavl/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libefi/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libnvpair/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libspl/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libspl/asm-generic/Makefile.in
View File

@ -52,6 +52,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libspl/asm-i386/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libspl/asm-x86_64/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libspl/include/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libspl/include/ia32/Makefile.in
View File

@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libspl/include/ia32/sys/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libspl/include/rpc/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libspl/include/sys/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libspl/include/sys/dktp/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libspl/include/sys/sysevent/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libspl/include/util/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libunicode/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libuutil/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libzfs/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
lib/libzpool/Makefile.in
View File

@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
man/Makefile.in
View File

@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
man/man8/Makefile.in
View File

@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
module/zfs/Makefile.in
View File

@ -83,6 +83,7 @@ $(MODULE)-objs += @top_srcdir@/module/zfs/zio_checksum.o
$(MODULE)-objs += @top_srcdir@/module/zfs/zio_compress.o
$(MODULE)-objs += @top_srcdir@/module/zfs/zio_inject.o
$(MODULE)-objs += @top_srcdir@/module/zfs/zle.o
$(MODULE)-objs += @top_srcdir@/module/zfs/zpl_export.o
$(MODULE)-objs += @top_srcdir@/module/zfs/zpl_file.o
$(MODULE)-objs += @top_srcdir@/module/zfs/zpl_inode.o
$(MODULE)-objs += @top_srcdir@/module/zfs/zpl_super.o

4
module/zfs/zfs_vfsops.c
View File

@ -1206,9 +1206,7 @@ zfs_domount(struct super_block *sb, void *data, int silent)
/* Set callback operations for the file system. */
sb->s_op = &zpl_super_operations;
sb->s_xattr = zpl_xattr_handlers;
#ifdef HAVE_EXPORTS
sb->s_export_op = &zpl_export_operations;
#endif /* HAVE_EXPORTS */
sb->s_export_op = &zpl_export_operations;
/* Set features for file system. */
zfs_set_fuid_feature(zsb);

121
module/zfs/zpl_export.c Normal file
View File

@ -0,0 +1,121 @@
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2011 Gunnar Beutner
*/
#include <sys/zfs_vnops.h>
#include <sys/zfs_znode.h>
#include <sys/zpl.h>
static int
zpl_encode_fh(struct dentry *dentry, __u32 *fh, int *max_len, int connectable)
{
fid_t *fid = (fid_t *)fh;
struct inode *ip = dentry->d_inode;
int len_bytes, rc;
len_bytes = *max_len * sizeof (__u32);
if (len_bytes < offsetof(fid_t, fid_data))
return 255;
fid->fid_len = len_bytes - offsetof(fid_t, fid_data);
rc = zfs_fid(ip, fid);
len_bytes = offsetof(fid_t, fid_data) + fid->fid_len;
*max_len = roundup(len_bytes, sizeof (__u32)) / sizeof (__u32);
return (rc == 0 ? FILEID_INO32_GEN : 255);
}
static struct dentry *
zpl_dentry_obtain_alias(struct inode *ip)
{
struct dentry *result;
#ifdef HAVE_D_OBTAIN_ALIAS
result = d_obtain_alias(ip);
#else
result = d_alloc_anon(ip);
if (result == NULL) {
iput(ip);
result = ERR_PTR(-ENOMEM);
}
#endif /* HAVE_D_OBTAIN_ALIAS */
return result;
}
static struct dentry *
zpl_fh_to_dentry(struct super_block *sb, struct fid *fh,
int fh_len, int fh_type)
{
zfs_sb_t *zsb = sb->s_fs_info;
struct vfsmount *vfs = zsb->z_vfs;
fid_t *fid = (fid_t *)fh;
struct inode *ip;
int len_bytes, rc;
len_bytes = fh_len * sizeof (__u32);
if (fh_type != FILEID_INO32_GEN ||
len_bytes < offsetof(fid_t, fid_data) ||
len_bytes < offsetof(fid_t, fid_data) + fid->fid_len)
return ERR_PTR(-EINVAL);
rc = zfs_vget(vfs, &ip, fid);
if (rc != 0)
return ERR_PTR(-rc);
ASSERT((ip != NULL) && !IS_ERR(ip));
return zpl_dentry_obtain_alias(ip);
}
static struct dentry *
zpl_get_parent(struct dentry *child)
{
cred_t *cr = CRED();
struct inode *ip;
int error;
crhold(cr);
error = -zfs_lookup(child->d_inode, "..", &ip, 0, cr, NULL, NULL);
crfree(cr);
ASSERT3S(error, <=, 0);
if (error)
return ERR_PTR(error);
return zpl_dentry_obtain_alias(ip);
}
const struct export_operations zpl_export_operations = {
.encode_fh = zpl_encode_fh,
.fh_to_dentry = zpl_fh_to_dentry,
.get_parent = zpl_get_parent
};

8
module/zfs/zpl_super.c
View File

@ -210,14 +210,6 @@ const struct super_operations zpl_super_operations = {
.show_stats = NULL,
};
#if 0
const struct export_operations zpl_export_operations = {
.fh_to_dentry = NULL,
.fh_to_parent = NULL,
.get_parent = NULL,
};
#endif
struct file_system_type zpl_fs_type = {
.owner = THIS_MODULE,
.name = ZFS_DRIVER,

1
scripts/Makefile.in
View File

@ -52,6 +52,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
scripts/zpios-profile/Makefile.in
View File

@ -52,6 +52,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
scripts/zpios-test/Makefile.in
View File

@ -52,6 +52,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
scripts/zpool-config/Makefile.in
View File

@ -52,6 +52,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

1
scripts/zpool-layout/Makefile.in
View File

@ -52,6 +52,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \

3
zfs_config.h.in
View File

@ -72,6 +72,9 @@
/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
/* d_obtain_alias() is available */
#undef HAVE_D_OBTAIN_ALIAS
/* sops->evict_inode() exists */
#undef HAVE_EVICT_INODE