diff options
| author | Brian Behlendorf <behlendorf1@llnl.gov> | 2011-08-02 01:24:40 +0000 |
|---|---|---|
| committer | Brian Behlendorf <behlendorf1@llnl.gov> | 2011-08-04 20:37:38 +0000 |
| commit | 76659dc110ef2ada13bcb8e4e2ec60d8216c6836 (patch) | |
| tree | 19de8ecbb20ae764ae16b0f05399fff16424c440 | |
| parent | 3c0e5c0f455576d045fa443cbab74834d70ded55 (diff) | |
61 files changed, 255 insertions, 0 deletions
diff --git a/Makefile.in b/Makefile.in index 1e38611119cb..dc46e32ab348 100644 --- a/Makefile.in +++ b/Makefile.in @@ -56,6 +56,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/cmd/Makefile.in b/cmd/Makefile.in index 379fbf9135c0..7d868d8a6c85 100644 --- a/cmd/Makefile.in +++ b/cmd/Makefile.in @@ -41,6 +41,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/cmd/mount_zfs/Makefile.in b/cmd/mount_zfs/Makefile.in index 97aa72952980..ccd7a15de366 100644 --- a/cmd/mount_zfs/Makefile.in +++ b/cmd/mount_zfs/Makefile.in @@ -44,6 +44,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/cmd/sas_switch_id/Makefile.in b/cmd/sas_switch_id/Makefile.in index bb6c03a096e2..34bb462df5c7 100644 --- a/cmd/sas_switch_id/Makefile.in +++ b/cmd/sas_switch_id/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/cmd/zdb/Makefile.in b/cmd/zdb/Makefile.in index c0db5455ba06..bc78a755c324 100644 --- a/cmd/zdb/Makefile.in +++ b/cmd/zdb/Makefile.in @@ -44,6 +44,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/cmd/zfs/Makefile.in b/cmd/zfs/Makefile.in index 42a4884184b7..7a111898e897 100644 --- a/cmd/zfs/Makefile.in +++ b/cmd/zfs/Makefile.in @@ -44,6 +44,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/cmd/zinject/Makefile.in b/cmd/zinject/Makefile.in index b0210f8dea16..1897fd0675a5 100644 --- a/cmd/zinject/Makefile.in +++ b/cmd/zinject/Makefile.in @@ -44,6 +44,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/cmd/zpios/Makefile.in b/cmd/zpios/Makefile.in index 363617f486d2..ade9237bdeb0 100644 --- a/cmd/zpios/Makefile.in +++ b/cmd/zpios/Makefile.in @@ -44,6 +44,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/cmd/zpool/Makefile.in b/cmd/zpool/Makefile.in index 4d2340e163e1..89c7aac14c3f 100644 --- a/cmd/zpool/Makefile.in +++ b/cmd/zpool/Makefile.in @@ -44,6 +44,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/cmd/zpool_id/Makefile.in b/cmd/zpool_id/Makefile.in index b4d250a74edb..f4e837c2decf 100644 --- a/cmd/zpool_id/Makefile.in +++ b/cmd/zpool_id/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/cmd/zpool_layout/Makefile.in b/cmd/zpool_layout/Makefile.in index 3445915a610d..e38308a90cee 100644 --- a/cmd/zpool_layout/Makefile.in +++ b/cmd/zpool_layout/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/cmd/ztest/Makefile.in b/cmd/ztest/Makefile.in index 5e8d4517d450..a9460c6f1b1d 100644 --- a/cmd/ztest/Makefile.in +++ b/cmd/ztest/Makefile.in @@ -44,6 +44,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/cmd/zvol_id/Makefile.in b/cmd/zvol_id/Makefile.in index 114fa20a5ec1..ed80d404fbe8 100644 --- a/cmd/zvol_id/Makefile.in +++ b/cmd/zvol_id/Makefile.in @@ -44,6 +44,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/config/kernel-bdi.m4 b/config/kernel-bdi.m4 new file mode 100644 index 000000000000..34ffaabd5b5a --- /dev/null +++ b/config/kernel-bdi.m4 @@ -0,0 +1,18 @@ +dnl # +dnl # 2.6.32 API change +dnl # Private backing_device_info interfaces available +dnl # +AC_DEFUN([ZFS_AC_KERNEL_BDI], [ + AC_MSG_CHECKING([whether super_block has s_bdi]) + ZFS_LINUX_TRY_COMPILE([ + #include <linux/fs.h> + ],[ + struct super_block sb __attribute__ ((unused)); + sb.s_bdi = NULL; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BDI, 1, [struct super_block has s_bdi]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/config/kernel.m4 b/config/kernel.m4 index 5eaa4d87952c..87c49a82ce5a 100644 --- a/config/kernel.m4 +++ b/config/kernel.m4 @@ -40,6 +40,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [ ZFS_AC_KERNEL_TRUNCATE_SETSIZE ZFS_AC_KERNEL_6ARGS_SECURITY_INODE_INIT_SECURITY ZFS_AC_KERNEL_MOUNT_NODEV + ZFS_AC_KERNEL_BDI if test "$LINUX_OBJ" != "$LINUX"; then KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ" diff --git a/configure b/configure index f46cc5110a13..9f444638f2af 100755 --- a/configure +++ b/configure @@ -14686,6 +14686,72 @@ _ACEOF + { $as_echo "$as_me:$LINENO: checking whether super_block has s_bdi" >&5 +$as_echo_n "checking whether super_block has s_bdi... " >&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) +{ + + struct super_block sb __attribute__ ((unused)); + sb.s_bdi = NULL; + + ; + 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_BDI 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 + + + + if test "$LINUX_OBJ" != "$LINUX"; then KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ" fi @@ -18956,6 +19022,72 @@ _ACEOF + { $as_echo "$as_me:$LINENO: checking whether super_block has s_bdi" >&5 +$as_echo_n "checking whether super_block has s_bdi... " >&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) +{ + + struct super_block sb __attribute__ ((unused)); + sb.s_bdi = NULL; + + ; + 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_BDI 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 + + + + if test "$LINUX_OBJ" != "$LINUX"; then KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ" fi diff --git a/dracut/90zfs/Makefile.in b/dracut/90zfs/Makefile.in index 33ac12c38d57..d3959296ab61 100644 --- a/dracut/90zfs/Makefile.in +++ b/dracut/90zfs/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/dracut/Makefile.in b/dracut/Makefile.in index 66ec11d7f499..ee654dec9696 100644 --- a/dracut/Makefile.in +++ b/dracut/Makefile.in @@ -41,6 +41,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/etc/Makefile.in b/etc/Makefile.in index c3ed6f260134..4f012e50427c 100644 --- a/etc/Makefile.in +++ b/etc/Makefile.in @@ -41,6 +41,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/etc/init.d/Makefile.in b/etc/init.d/Makefile.in index 1ea6c623caed..7fb9034f08be 100644 --- a/etc/init.d/Makefile.in +++ b/etc/init.d/Makefile.in @@ -44,6 +44,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/etc/udev/Makefile.in b/etc/udev/Makefile.in index 81ba8b215b72..7a9a0c32fed0 100644 --- a/etc/udev/Makefile.in +++ b/etc/udev/Makefile.in @@ -41,6 +41,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/etc/udev/rules.d/Makefile.in b/etc/udev/rules.d/Makefile.in index f5dce7fba159..852d44d8b5a3 100644 --- a/etc/udev/rules.d/Makefile.in +++ b/etc/udev/rules.d/Makefile.in @@ -42,6 +42,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/etc/zfs/Makefile.in b/etc/zfs/Makefile.in index 1f3db549c230..ffdd1a959a38 100644 --- a/etc/zfs/Makefile.in +++ b/etc/zfs/Makefile.in @@ -42,6 +42,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/include/Makefile.in b/include/Makefile.in index 379657fbcb4a..8764d09583fb 100644 --- a/include/Makefile.in +++ b/include/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/include/linux/Makefile.in b/include/linux/Makefile.in index e0678c1efcab..3a901c33e1a5 100644 --- a/include/linux/Makefile.in +++ b/include/linux/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/include/linux/vfs_compat.h b/include/linux/vfs_compat.h index 1d8a523cd999..cbbf21e618b6 100644 --- a/include/linux/vfs_compat.h +++ b/include/linux/vfs_compat.h @@ -62,4 +62,23 @@ truncate_setsize(struct inode *ip, loff_t new) } #endif /* HAVE_TRUNCATE_SETSIZE */ +/* + * 2.6.32 API change, + * Added backing_device_info (bdi) per super block interfaces. When + * available a bdi must be configured when using a non-device backed + * filesystem for proper writeback. It's safe to leave this code + * dormant for kernels which only support pdflush and not bdi. + */ +#ifdef HAVE_BDI +#define bdi_get_sb(sb) (sb->s_bdi) +#define bdi_put_sb(sb, bdi) (sb->s_bdi = bdi) +#else +#define bdi_init(bdi) (0) +#define bdi_destroy(bdi) (0) +#define bdi_register(bdi, parent, fmt, args) (0) +#define bdi_unregister(bdi) (0) +#define bdi_get_sb(sb) (0) +#define bdi_put_sb(sb, bdi) (0) +#endif /* HAVE_BDI */ + #endif /* _ZFS_VFS_H */ diff --git a/include/sys/Makefile.in b/include/sys/Makefile.in index 53c721f67bf4..4cf397cbaa6a 100644 --- a/include/sys/Makefile.in +++ b/include/sys/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/include/sys/fm/Makefile.in b/include/sys/fm/Makefile.in index fce681a1e081..30d2c4aff129 100644 --- a/include/sys/fm/Makefile.in +++ b/include/sys/fm/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/include/sys/fm/fs/Makefile.in b/include/sys/fm/fs/Makefile.in index 859972f52175..76a2157042fc 100644 --- a/include/sys/fm/fs/Makefile.in +++ b/include/sys/fm/fs/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/include/sys/fs/Makefile.in b/include/sys/fs/Makefile.in index 61c97ab10ba6..8567e018626c 100644 --- a/include/sys/fs/Makefile.in +++ b/include/sys/fs/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/include/sys/zfs_vfsops.h b/include/sys/zfs_vfsops.h index ae5f811c0a5f..c8861f6e2bd5 100644 --- a/include/sys/zfs_vfsops.h +++ b/include/sys/zfs_vfsops.h @@ -43,6 +43,7 @@ struct znode; typedef struct zfs_sb { struct super_block *z_sb; /* generic super_block */ + struct backing_dev_info z_bdi; /* generic backing dev info */ struct zfs_sb *z_parent; /* parent fs */ objset_t *z_os; /* objset reference */ uint64_t z_flags; /* super_block flags */ diff --git a/lib/Makefile.in b/lib/Makefile.in index 001235471b3d..2f8d492cd8b7 100644 --- a/lib/Makefile.in +++ b/lib/Makefile.in @@ -41,6 +41,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libavl/Makefile.in b/lib/libavl/Makefile.in index 05a76d471406..33484b3ab8b1 100644 --- a/lib/libavl/Makefile.in +++ b/lib/libavl/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libefi/Makefile.in b/lib/libefi/Makefile.in index 17cf684578ab..ec4e14aa185a 100644 --- a/lib/libefi/Makefile.in +++ b/lib/libefi/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libnvpair/Makefile.in b/lib/libnvpair/Makefile.in index 02c35119894b..7d3eaa433e6d 100644 --- a/lib/libnvpair/Makefile.in +++ b/lib/libnvpair/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libshare/Makefile.in b/lib/libshare/Makefile.in index b2af5fdc3345..6254a97b7755 100644 --- a/lib/libshare/Makefile.in +++ b/lib/libshare/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libspl/Makefile.in b/lib/libspl/Makefile.in index 11b517ae5ba4..238ab009a794 100644 --- a/lib/libspl/Makefile.in +++ b/lib/libspl/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libspl/asm-generic/Makefile.in b/lib/libspl/asm-generic/Makefile.in index 4356f51f629f..6fe820cd71ec 100644 --- a/lib/libspl/asm-generic/Makefile.in +++ b/lib/libspl/asm-generic/Makefile.in @@ -42,6 +42,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libspl/asm-i386/Makefile.in b/lib/libspl/asm-i386/Makefile.in index 4346d0d219d5..1f951adfedeb 100644 --- a/lib/libspl/asm-i386/Makefile.in +++ b/lib/libspl/asm-i386/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libspl/asm-x86_64/Makefile.in b/lib/libspl/asm-x86_64/Makefile.in index e9bab0719a7b..10226a96eb48 100644 --- a/lib/libspl/asm-x86_64/Makefile.in +++ b/lib/libspl/asm-x86_64/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libspl/include/Makefile.in b/lib/libspl/include/Makefile.in index 4990f24b9ebc..88b8404951be 100644 --- a/lib/libspl/include/Makefile.in +++ b/lib/libspl/include/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libspl/include/ia32/Makefile.in b/lib/libspl/include/ia32/Makefile.in index e54dd3be538d..36af1a80b76e 100644 --- a/lib/libspl/include/ia32/Makefile.in +++ b/lib/libspl/include/ia32/Makefile.in @@ -41,6 +41,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libspl/include/ia32/sys/Makefile.in b/lib/libspl/include/ia32/sys/Makefile.in index cbcc2e4c3c19..ff11b1de4e8f 100644 --- a/lib/libspl/include/ia32/sys/Makefile.in +++ b/lib/libspl/include/ia32/sys/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libspl/include/rpc/Makefile.in b/lib/libspl/include/rpc/Makefile.in index 13366459844f..e2ae91cf9c66 100644 --- a/lib/libspl/include/rpc/Makefile.in +++ b/lib/libspl/include/rpc/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libspl/include/sys/Makefile.in b/lib/libspl/include/sys/Makefile.in index ae28b4245ca4..eeaca9be189f 100644 --- a/lib/libspl/include/sys/Makefile.in +++ b/lib/libspl/include/sys/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libspl/include/sys/dktp/Makefile.in b/lib/libspl/include/sys/dktp/Makefile.in index 0d33f468cead..c9b011530507 100644 --- a/lib/libspl/include/sys/dktp/Makefile.in +++ b/lib/libspl/include/sys/dktp/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libspl/include/sys/sysevent/Makefile.in b/lib/libspl/include/sys/sysevent/Makefile.in index 99d2433e6fa4..c37669fc40ca 100644 --- a/lib/libspl/include/sys/sysevent/Makefile.in +++ b/lib/libspl/include/sys/sysevent/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libspl/include/util/Makefile.in b/lib/libspl/include/util/Makefile.in index 5539378026fd..70ce9733b3a8 100644 --- a/lib/libspl/include/util/Makefile.in +++ b/lib/libspl/include/util/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libunicode/Makefile.in b/lib/libunicode/Makefile.in index faa940e3de09..6b5d575907dd 100644 --- a/lib/libunicode/Makefile.in +++ b/lib/libunicode/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libuutil/Makefile.in b/lib/libuutil/Makefile.in index 45c4e84f53ac..2c2c8e5a3305 100644 --- a/lib/libuutil/Makefile.in +++ b/lib/libuutil/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libzfs/Makefile.in b/lib/libzfs/Makefile.in index 5dc7d3570691..ad31c720a248 100644 --- a/lib/libzfs/Makefile.in +++ b/lib/libzfs/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/lib/libzpool/Makefile.in b/lib/libzpool/Makefile.in index 212c964d0a4f..1b60fe324c64 100644 --- a/lib/libzpool/Makefile.in +++ b/lib/libzpool/Makefile.in @@ -43,6 +43,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/man/Makefile.in b/man/Makefile.in index 3c9e7a3702f9..068617beb8ff 100644 --- a/man/Makefile.in +++ b/man/Makefile.in @@ -41,6 +41,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/man/man8/Makefile.in b/man/man8/Makefile.in index 1c18675a62cd..f9fe5fb80049 100644 --- a/man/man8/Makefile.in +++ b/man/man8/Makefile.in @@ -41,6 +41,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/module/zfs/zfs_vfsops.c b/module/zfs/zfs_vfsops.c index e0987e919102..31692f4379d8 100644 --- a/module/zfs/zfs_vfsops.c +++ b/module/zfs/zfs_vfsops.c @@ -600,6 +600,12 @@ zfs_sb_create(const char *osname, zfs_sb_t **zsbp) zsb->z_show_ctldir = ZFS_SNAPDIR_VISIBLE; zsb->z_os = os; + error = -bdi_init(&zsb->z_bdi); + if (error) { + kmem_free(zsb, sizeof (zfs_sb_t)); + return (error); + } + error = zfs_get_zplprop(os, ZFS_PROP_VERSION, &zsb->z_version); if (error) { goto out; @@ -799,6 +805,7 @@ zfs_sb_free(zfs_sb_t *zsb) zfs_fuid_destroy(zsb); + bdi_destroy(&zsb->z_bdi); mutex_destroy(&zsb->z_znodes_lock); mutex_destroy(&zsb->z_lock); list_destroy(&zsb->z_all_znodes); @@ -1077,6 +1084,10 @@ zfsvfs_teardown(zfs_sb_t *zsb, boolean_t unmounting) return (0); } +#ifdef HAVE_BDI +static atomic_long_t bdi_seq = ATOMIC_LONG_INIT(0); +#endif /* HAVE_BDI */ + int zfs_domount(struct super_block *sb, void *data, int silent) { @@ -1102,6 +1113,7 @@ zfs_domount(struct super_block *sb, void *data, int silent) sb->s_time_gran = 1; sb->s_blocksize = recordsize; sb->s_blocksize_bits = ilog2(recordsize); + bdi_put_sb(sb, NULL); /* Set callback operations for the file system. */ sb->s_op = &zpl_super_operations; @@ -1126,6 +1138,16 @@ zfs_domount(struct super_block *sb, void *data, int silent) dmu_objset_set_user(zsb->z_os, zsb); mutex_exit(&zsb->z_os->os_user_ptr_lock); } else { + /* Disable Linux read-ahead handled by lower layers */ + zsb->z_bdi.ra_pages = 0; + + error = -bdi_register(&zsb->z_bdi, NULL, "zfs-%d", + atomic_long_inc_return(&bdi_seq)); + if (error) + goto out; + + bdi_put_sb(sb, &zsb->z_bdi); + error = zfs_sb_setup(zsb, B_TRUE); #ifdef HAVE_SNAPSHOT (void) zfs_snap_create(zsb); @@ -1166,6 +1188,11 @@ zfs_umount(struct super_block *sb) VERIFY(zfsvfs_teardown(zsb, B_TRUE) == 0); os = zsb->z_os; + if (bdi_get_sb(sb)) { + bdi_unregister(bdi_get_sb(sb)); + bdi_put_sb(sb, NULL); + } + /* * z_os will be NULL if there was an error in * attempting to reopen zsb. diff --git a/scripts/Makefile.in b/scripts/Makefile.in index 51dadb4581db..3e0c8f9041ec 100644 --- a/scripts/Makefile.in +++ b/scripts/Makefile.in @@ -42,6 +42,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/scripts/zpios-profile/Makefile.in b/scripts/zpios-profile/Makefile.in index 550fab69fa68..cef88fb46e0a 100644 --- a/scripts/zpios-profile/Makefile.in +++ b/scripts/zpios-profile/Makefile.in @@ -42,6 +42,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/scripts/zpios-test/Makefile.in b/scripts/zpios-test/Makefile.in index d8627109db53..8dbaa6b3de08 100644 --- a/scripts/zpios-test/Makefile.in +++ b/scripts/zpios-test/Makefile.in @@ -42,6 +42,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/scripts/zpool-config/Makefile.in b/scripts/zpool-config/Makefile.in index 530fb233270a..3a8d836dd2f3 100644 --- a/scripts/zpool-config/Makefile.in +++ b/scripts/zpool-config/Makefile.in @@ -42,6 +42,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/scripts/zpool-layout/Makefile.in b/scripts/zpool-layout/Makefile.in index 2a000783c2ab..e34d0dce8e15 100644 --- a/scripts/zpool-layout/Makefile.in +++ b/scripts/zpool-layout/Makefile.in @@ -42,6 +42,7 @@ am__aclocal_m4_deps = \ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \ + $(top_srcdir)/config/kernel-bdi.m4 \ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \ $(top_srcdir)/config/kernel-bio-failfast.m4 \ diff --git a/zfs_config.h.in b/zfs_config.h.in index d244ac383248..cf3c25c46b68 100644 --- a/zfs_config.h.in +++ b/zfs_config.h.in @@ -18,6 +18,9 @@ /* bdev_logical_block_size() is available */ #undef HAVE_BDEV_LOGICAL_BLOCK_SIZE +/* struct super_block has s_bdi */ +#undef HAVE_BDI + /* bio_empy_barrier() is defined */ #undef HAVE_BIO_EMPTY_BARRIER |