+ readahead-add-blk_run_backing_dev-fix-fix-2.patch added to -mm tree

+ readahead-add-blk_run_backing_dev-fix-fix-2.patch added to -mm tree

[akpm]

The patch titled
     readahead-add-blk_run_backing_dev-fix-fix-2
has been added to the -mm tree.  Its filename is
     readahead-add-blk_run_backing_dev-fix-fix-2.patch

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See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: readahead-add-blk_run_backing_dev-fix-fix-2
From: Andrew Morton <akpm@linux-foundation.org>

This is yuk.   It's just to amke Randy happy for now.

Cc: Hisashi Hifumi <hifumi.hisashi@oss.ntt.co.jp>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/readahead.c |    2 ++
 1 file changed, 2 insertions(+)

diff -puN mm/readahead.c~readahead-add-blk_run_backing_dev-fix-fix-2 mm/readahead.c
--- a/mm/readahead.c~readahead-add-blk_run_backing_dev-fix-fix-2
+++ a/mm/readahead.c
@@ -548,6 +548,7 @@ page_cache_async_readahead(struct addres
 	/* do read-ahead */
 	ondemand_readahead(mapping, ra, filp, true, offset, req_size);
 
+#ifdef CONFIG_BLOCK
 	/*
 	 * Normally the current page is !uptodate and lock_page() will be
 	 * immediately called to implicitly unplug the device. However this
@@ -557,5 +558,6 @@ page_cache_async_readahead(struct addres
 	 */
 	if (PageUptodate(page))
 		blk_run_backing_dev(mapping->backing_dev_info, NULL);
+#endif
 }
 EXPORT_SYMBOL_GPL(page_cache_async_readahead);
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

revert-fbdev-uninline-lock_fb_info.patch
linux-next.patch
next-remove-localversion.patch
i-need-old-gcc.patch
ds_selftest-is-borked.patch
arch-x86-kernel-cpu-cpufreq-acpi-cpufreqc-avoid-cross-cpu-interrupts.patch
cpufreq-powernow-k8-cleanup-msg-if-bios-does-not-export-acpi-_pss-cpufreq-data-cleanup.patch
devres-warn-and-return-dont-crash-on-device_del-of-uninitialized-device-cleanup.patch
dvb-core-fix-potential-mutex_unlock-without-mutex_lock-in-dvb_dvr_read.patch
input-drivers-input-xpadc-improve-xbox-360-wireless-support-and-add-sysfs-interface.patch
input-documentation-input-xpadtxt-update-for-new-driver-functionality.patch
mtd-flex-onenand-support.patch
pci-quirks-unhide-overflow-device-on-i828675p-pe-chipsets-v2.patch
raw-fix-rawctl-compat-ioctls-breakage-on-amd64-and-itanic.patch
libfs-make-simple_read_from_buffer-conventional.patch
scsi-dpt_i2o-is-bust-on-ia64.patch
drivers-rtc-rtc-cmosc-cmos_init-dont-ignore-pnp_register_driver-return-value.patch
mm-consolidate-init_mm-definition-fix.patch
readahead-record-mmap-read-around-states-in-file_ra_state-checkpatch-fixes.patch
mm-clean-up-get_user_pages_fast-documentation-checkpatch-fixes.patch
ksm-add-get_pte-helper-function-fetching-pte-for-va-fix.patch
ksm-add-ksm-kernel-shared-memory-driver-checkpatch-fixes.patch
page-allocator-do-not-sanity-check-order-in-the-fast-path-fix.patch
page-allocator-calculate-the-preferred-zone-for-allocation-only-once-fix.patch
page-allocator-remove-a-branch-by-assuming-__gfp_high-==-alloc_high.patch
pagemap-add-page-types-tool-fix.patch
videobuf-dma-contig-zero-copy-userptr-support-v3-comments-checkpatch-fixes.patch
page-allocator-warn-if-__gfp_nofail-is-used-for-a-large-allocation.patch
mm-pm-freezer-disable-oom-killer-when-tasks-are-frozen.patch
page-allocator-clean-up-functions-related-to-pages_min-checkpatch-fixes.patch
page-allocator-add-inactive-ratio-calculation-function-of-each-zone-checkpatch-fixes.patch
readahead-add-blk_run_backing_dev-fix.patch
readahead-add-blk_run_backing_dev-fix-fix-2.patch
frv-duplicate-output_buffer-of-e03-checkpatch-fixes.patch
m68k-count-can-reach-51-not-50.patch
headers-move-module_bug_finalize-module_bug_cleanup-definitions-into-moduleh.patch
remove-put_cpu_no_resched-fix.patch
rb_tree-reorganize-code-in-rb_erase-for-additional-changes-checkpatch-fixes.patch
proc-merge-arrayc-into-basec-checkpatch-fixes.patch
jsm-clean-up-serial-jsm-correctly-support-4-8-port-boards.patch
gpio-driver-for-primecell-pl061-gpio-controller-fix.patch
gpio-driver-for-primecell-pl061-gpio-controller-fix-fix.patch
radeon-p2g2clk_always_onb-tested-twice-should-2nd-be-p2g2clk_dac_always_onb-fix.patch
documentation-changes-perl-is-needed-to-build-the-kernel-fix.patch
cgroups-forbid-noprefix-if-mounting-more-than-just-cpuset-subsystem-fix.patch
drivers-char-memc-memory_open-cleanup-lookup-minor-device-number-from-devlist-checkpatch-fixes.patch
edac-add-cpc925-memory-controller-driver-cleanup.patch
edac-add-edac_device_alloc_index-cleanup.patch
edac-kconfig-fix-the-meaning-of-edac-abbreviation-fix.patch
kexec-sysrq-simplify-sysrq-c-handler.patch
gru-support-for-asynchronous-gru-instructions-fix.patch
reiser4-export-remove_from_page_cache-fix.patch
reiser4.patch
reiser4-remove-simple_prepare_write-usage-checkpatch-fixes.patch
slab-leaks3-default-y.patch
put_bh-debug.patch
shrink_slab-handle-bad-shrinkers.patch
getblk-handle-2tb-devices.patch
getblk-handle-2tb-devices-fix.patch
undeprecate-pci_find_device.patch
notify_change-callers-must-hold-i_mutex.patch