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Support the fallocate() file operation.

Browse Source 
Currently only the (FALLOC_FL_PUNCH_HOLE) flag combination is
supported, since it's the only one that matches the behavior of
zfs_space(). This makes it pretty much useless in its current
form, but it's a start.

To support other flag combinations we would need to modify
zfs_space() to make it more flexible, or emulate the desired
functionality in zpl_fallocate().

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #334
This commit is contained in:
Etienne Dechamps 2011-09-02 09:42:07 +02:00 committed by Brian Behlendorf
parent aec69371a6
commit cb2d19010d
61 changed files with 447 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Makefile.in
View File

@ -86,6 +86,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
cmd/Makefile.in
View File

@ -63,6 +63,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
cmd/mount_zfs/Makefile.in
View File

@ -66,6 +66,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
cmd/sas_switch_id/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
cmd/zdb/Makefile.in
View File

@ -66,6 +66,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
cmd/zfs/Makefile.in
View File

@ -66,6 +66,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
cmd/zinject/Makefile.in
View File

@ -66,6 +66,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
cmd/zpios/Makefile.in
View File

@ -66,6 +66,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
cmd/zpool/Makefile.in
View File

@ -66,6 +66,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
cmd/zpool_id/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
cmd/zpool_layout/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
cmd/ztest/Makefile.in
View File

@ -66,6 +66,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
cmd/zvol_id/Makefile.in
View File

@ -66,6 +66,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

48
config/kernel-fallocate.m4 Normal file
View File

@ -0,0 +1,48 @@
dnl #
dnl # Linux 2.6.38 - 3.x API
dnl #
AC_DEFUN([ZFS_AC_KERNEL_FILE_FALLOCATE], [
AC_MSG_CHECKING([whether fops->fallocate() exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL;
struct file_operations fops __attribute__ ((unused)) = {
.fallocate = fallocate,
};
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_FILE_FALLOCATE, 1, [fops->fallocate() exists])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # Linux 2.6.x - 2.6.37 API
dnl #
AC_DEFUN([ZFS_AC_KERNEL_INODE_FALLOCATE], [
AC_MSG_CHECKING([whether iops->fallocate() exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
long (*fallocate) (struct inode *, int, loff_t, loff_t) = NULL;
struct inode_operations fops __attribute__ ((unused)) = {
.fallocate = fallocate,
};
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_INODE_FALLOCATE, 1, [fops->fallocate() exists])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # The fallocate callback was moved from the inode_operations
dnl # structure to the file_operations structure.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_FALLOCATE], [
ZFS_AC_KERNEL_FILE_FALLOCATE
ZFS_AC_KERNEL_INODE_FALLOCATE
])

1
config/kernel.m4
View File

@ -43,6 +43,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_EVICT_INODE
ZFS_AC_KERNEL_NR_CACHED_OBJECTS
ZFS_AC_KERNEL_FREE_CACHED_OBJECTS
ZFS_AC_KERNEL_FALLOCATE
ZFS_AC_KERNEL_INSERT_INODE_LOCKED
ZFS_AC_KERNEL_D_OBTAIN_ALIAS
ZFS_AC_KERNEL_CHECK_DISK_SIZE_CHANGE

276
configure vendored
View File

@ -15469,6 +15469,144 @@ fi
{ $as_echo "$as_me:$LINENO: checking whether fops->fallocate() exists" >&5
$as_echo_n "checking whether fops->fallocate() exists... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.c
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <linux/fs.h>
int
main (void)
{
long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL;
struct file_operations fops __attribute__ ((unused)) = {
.fallocate = fallocate,
};
;
return 0;
}
_ACEOF
rm -Rf build && mkdir -p build
echo "obj-m := conftest.o" >build/Makefile
if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
{ $as_echo "$as_me:$LINENO: result: yes" >&5
$as_echo "yes" >&6; }
cat >>confdefs.h <<\_ACEOF
#define HAVE_FILE_FALLOCATE 1
_ACEOF
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
{ $as_echo "$as_me:$LINENO: result: no" >&5
$as_echo "no" >&6; }
fi
rm -Rf build
{ $as_echo "$as_me:$LINENO: checking whether iops->fallocate() exists" >&5
$as_echo_n "checking whether iops->fallocate() exists... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.c
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <linux/fs.h>
int
main (void)
{
long (*fallocate) (struct inode *, int, loff_t, loff_t) = NULL;
struct inode_operations fops __attribute__ ((unused)) = {
.fallocate = fallocate,
};
;
return 0;
}
_ACEOF
rm -Rf build && mkdir -p build
echo "obj-m := conftest.o" >build/Makefile
if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
{ $as_echo "$as_me:$LINENO: result: yes" >&5
$as_echo "yes" >&6; }
cat >>confdefs.h <<\_ACEOF
#define HAVE_INODE_FALLOCATE 1
_ACEOF
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
{ $as_echo "$as_me:$LINENO: result: no" >&5
$as_echo "no" >&6; }
fi
rm -Rf build
{ $as_echo "$as_me:$LINENO: checking whether symbol insert_inode_locked is exported" >&5
$as_echo_n "checking whether symbol insert_inode_locked is exported... " >&6; }
grep -q -E '[[:space:]]insert_inode_locked[[:space:]]' \
@ -21149,6 +21287,144 @@ fi
{ $as_echo "$as_me:$LINENO: checking whether fops->fallocate() exists" >&5
$as_echo_n "checking whether fops->fallocate() exists... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.c
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <linux/fs.h>
int
main (void)
{
long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL;
struct file_operations fops __attribute__ ((unused)) = {
.fallocate = fallocate,
};
;
return 0;
}
_ACEOF
rm -Rf build && mkdir -p build
echo "obj-m := conftest.o" >build/Makefile
if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
{ $as_echo "$as_me:$LINENO: result: yes" >&5
$as_echo "yes" >&6; }
cat >>confdefs.h <<\_ACEOF
#define HAVE_FILE_FALLOCATE 1
_ACEOF
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
{ $as_echo "$as_me:$LINENO: result: no" >&5
$as_echo "no" >&6; }
fi
rm -Rf build
{ $as_echo "$as_me:$LINENO: checking whether iops->fallocate() exists" >&5
$as_echo_n "checking whether iops->fallocate() exists... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.c
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <linux/fs.h>
int
main (void)
{
long (*fallocate) (struct inode *, int, loff_t, loff_t) = NULL;
struct inode_operations fops __attribute__ ((unused)) = {
.fallocate = fallocate,
};
;
return 0;
}
_ACEOF
rm -Rf build && mkdir -p build
echo "obj-m := conftest.o" >build/Makefile
if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
{ $as_echo "$as_me:$LINENO: result: yes" >&5
$as_echo "yes" >&6; }
cat >>confdefs.h <<\_ACEOF
#define HAVE_INODE_FALLOCATE 1
_ACEOF
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
{ $as_echo "$as_me:$LINENO: result: no" >&5
$as_echo "no" >&6; }
fi
rm -Rf build
{ $as_echo "$as_me:$LINENO: checking whether symbol insert_inode_locked is exported" >&5
$as_echo_n "checking whether symbol insert_inode_locked is exported... " >&6; }
grep -q -E '[[:space:]]insert_inode_locked[[:space:]]' \

1
dracut/90zfs/Makefile.in
View File

@ -64,6 +64,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
dracut/Makefile.in
View File

@ -63,6 +63,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
etc/Makefile.in
View File

@ -63,6 +63,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -64,6 +64,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
etc/zfs/Makefile.in
View File

@ -64,6 +64,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
include/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
include/linux/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
include/sys/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

3
include/sys/zpl.h
View File

@ -30,6 +30,7 @@
#include <linux/xattr_compat.h>
#include <linux/exportfs.h>
#include <linux/writeback.h>
#include <linux/falloc.h>
/* zpl_inode.c */
extern const struct inode_operations zpl_inode_operations;
@ -42,6 +43,8 @@ extern ssize_t zpl_read_common(struct inode *ip, const char *buf,
size_t len, loff_t pos, uio_seg_t segment, int flags, cred_t *cr);
extern ssize_t zpl_write_common(struct inode *ip, const char *buf,
size_t len, loff_t pos, uio_seg_t segment, int flags, cred_t *cr);
extern long zpl_fallocate_common(struct inode *ip, int mode,
loff_t offset, loff_t len);
extern const struct address_space_operations zpl_address_space_operations;
extern const struct file_operations zpl_file_operations;

1
lib/Makefile.in
View File

@ -63,6 +63,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
lib/libavl/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
lib/libefi/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
lib/libnvpair/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
lib/libshare/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
lib/libspl/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -64,6 +64,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -63,6 +63,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
lib/libunicode/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
lib/libuutil/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
lib/libzfs/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
lib/libzpool/Makefile.in
View File

@ -65,6 +65,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
man/Makefile.in
View File

@ -63,6 +63,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
man/man8/Makefile.in
View File

@ -63,6 +63,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

47
module/zfs/zpl_file.c
View File

@ -394,6 +394,50 @@ zpl_writepage(struct page *pp, struct writeback_control *wbc)
return zpl_putpage(pp, wbc, pp->mapping);
}
/*
* The only flag combination which matches the behavior of zfs_space()
* is FALLOC_FL_PUNCH_HOLE. This flag was introduced in the 2.6.38 kernel.
*/
long
zpl_fallocate_common(struct inode *ip, int mode, loff_t offset, loff_t len)
{
cred_t *cr = CRED();
int error = -EOPNOTSUPP;
if (mode & FALLOC_FL_KEEP_SIZE)
return (-EOPNOTSUPP);
crhold(cr);
#ifdef FALLOC_FL_PUNCH_HOLE
if (mode & FALLOC_FL_PUNCH_HOLE) {
flock64_t bf;
bf.l_type = F_WRLCK;
bf.l_whence = 0;
bf.l_start = offset;
bf.l_len = len;
bf.l_pid = 0;
error = -zfs_space(ip, F_FREESP, &bf, FWRITE, offset, cr);
}
#endif /* FALLOC_FL_PUNCH_HOLE */
crfree(cr);
ASSERT3S(error, <=, 0);
return (error);
}
#ifdef HAVE_FILE_FALLOCATE
static long
zpl_fallocate(struct file *filp, int mode, loff_t offset, loff_t len)
{
return zpl_fallocate_common(filp->f_path.dentry->d_inode,
mode, offset, len);
}
#endif /* HAVE_FILE_FALLOCATE */
const struct address_space_operations zpl_address_space_operations = {
.readpages = zpl_readpages,
.readpage = zpl_readpage,
@ -410,6 +454,9 @@ const struct file_operations zpl_file_operations = {
.readdir = zpl_readdir,
.mmap = zpl_mmap,
.fsync = zpl_fsync,
#ifdef HAVE_FILE_FALLOCATE
.fallocate = zpl_fallocate,
#endif /* HAVE_FILE_FALLOCATE */
};
const struct file_operations zpl_dir_file_operations = {

12
module/zfs/zpl_inode.c
View File

@ -342,6 +342,15 @@ zpl_truncate_range(struct inode* ip, loff_t start, loff_t end)
crfree(cr);
}
#ifdef HAVE_INODE_FALLOCATE
static long
zpl_fallocate(struct inode *ip, int mode, loff_t offset, loff_t len)
{
return zpl_fallocate_common(ip, mode, offset, len);
}
#endif /* HAVE_INODE_FALLOCATE */
const struct inode_operations zpl_inode_operations = {
.create = zpl_create,
.link = zpl_link,
@ -358,6 +367,9 @@ const struct inode_operations zpl_inode_operations = {
.removexattr = generic_removexattr,
.listxattr = zpl_xattr_list,
.truncate_range = zpl_truncate_range,
#ifdef HAVE_INODE_FALLOCATE
.fallocate = zpl_fallocate,
#endif /* HAVE_INODE_FALLOCATE */
};
const struct inode_operations zpl_dir_inode_operations = {

1
scripts/Makefile.in
View File

@ -64,6 +64,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -64,6 +64,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -64,6 +64,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -64,6 +64,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -64,6 +64,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

1
udev/Makefile.in
View File

@ -63,6 +63,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

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

@ -64,6 +64,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \

6
zfs_config.h.in
View File

@ -111,6 +111,9 @@
/* sops->evict_inode() exists */
#undef HAVE_EVICT_INODE
/* fops->fallocate() exists */
#undef HAVE_FILE_FALLOCATE
/* kernel defines fmode_t */
#undef HAVE_FMODE_T
@ -132,6 +135,9 @@
/* Define to 1 if licensed under the GPL */
#undef HAVE_GPL_ONLY_SYMBOLS
/* fops->fallocate() exists */
#undef HAVE_INODE_FALLOCATE
/* insert_inode_locked() is available */
#undef HAVE_INSERT_INODE_LOCKED