The patch titled
ntfs: kmap_atomic() atomicity fix
has been removed from the -mm tree. Its filename was
ntfs-kmap_atomic-atomicity-fix.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: ntfs: kmap_atomic() atomicity fix
From: Andrew Morton <akpm@xxxxxxxx>
The KM_BIO_SRC_IRQ kmap slot requires local irq protection.
Acked-by: Anton Altaparmakov <aia21@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
fs/ntfs/aops.c | 4 ++++
1 files changed, 4 insertions(+)
diff -puN fs/ntfs/aops.c~ntfs-kmap_atomic-atomicity-fix fs/ntfs/aops.c
--- a/fs/ntfs/aops.c~ntfs-kmap_atomic-atomicity-fix
+++ a/fs/ntfs/aops.c
@@ -92,10 +92,12 @@ static void ntfs_end_buffer_async_read(s
ofs = 0;
if (file_ofs < init_size)
ofs = init_size - file_ofs;
+ local_irq_save(flags);
kaddr = kmap_atomic(page, KM_BIO_SRC_IRQ);
memset(kaddr + bh_offset(bh) + ofs, 0,
bh->b_size - ofs);
kunmap_atomic(kaddr, KM_BIO_SRC_IRQ);
+ local_irq_restore(flags);
flush_dcache_page(page);
}
} else {
@@ -143,11 +145,13 @@ static void ntfs_end_buffer_async_read(s
recs = PAGE_CACHE_SIZE / rec_size;
/* Should have been verified before we got here... */
BUG_ON(!recs);
+ local_irq_save(flags);
kaddr = kmap_atomic(page, KM_BIO_SRC_IRQ);
for (i = 0; i < recs; i++)
post_read_mst_fixup((NTFS_RECORD*)(kaddr +
i * rec_size), rec_size);
kunmap_atomic(kaddr, KM_BIO_SRC_IRQ);
+ local_irq_restore(flags);
flush_dcache_page(page);
if (likely(page_uptodate && !PageError(page)))
SetPageUptodate(page);
_
Patches currently in -mm which might be from akpm@xxxxxxxx are
origin.patch
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git-acpi.patch
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acpi-updates-rtc-cmos-device-platform_data-vs-git-acpi.patch
sony_apci-resume.patch
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video-sysfs-support-take-2-add-dev-argument-for-backlight_device_register-sony_acpi-fix.patch
git-alsa.patch
agpgart-allow-drm-populated-agp-memory-types-tidy.patch
rewrite-lock-in-cpufreq-to-eliminate-cpufreq-hotplug-related-issues-fix-2.patch
powerpc-make-it-compile.patch
git-dvb.patch
dvb-video_buf-depends-on-pci.patch
git-gfs2-nmw.patch
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git-ieee1394.patch
git-input.patch
git-libata-all.patch
sata_nv-cleanup-adma-error-handling-v2.patch
sata_sis-avoid-extern-decl-in-c.patch
mm-ide-ide-acpi-support-warning-fix.patch
git-lxdialog-fixup.patch
git-mips-kconfig-fix.patch
git-mips-prom_free_prom_memory-borkage.patch
git-mmc.patch
git-mmc-fixup.patch
git-ubi.patch
git-netdev-all.patch
update-smc91x-driver-with-arm-versatile-board-info.patch
drivers-net-ns83820c-add-paramter-to-disable-auto.patch
bonding-replace-kmalloc-memset-pairs-with-the-appropriate-kzalloc-calls-fix.patch
dccp-warning-fixes.patch
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sh-add-kconfig-default.patch
drivers-scsi-mca_53c9xc-save_flags-cli-removal.patch
scsi-cover-up-bugs-fix-up-compiler-warnings-in-megaraid-driver.patch
scsi_kmap_atomic_sg-check-that-local-irqs-are-disabled.patch
git-block-fixup.patch
git-block-borkage.patch
git-block-atomicity-fix.patch
git-block-xfs-fix.patch
fix-gregkh-usb-usbcore-remove-unused-bandwith-related-code.patch
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spin_lock_irq-enable-interrupts-while-spinning-i386-implementation-fix-fix.patch
arch-i386-kernel-alternativec-dont-include-bugsh.patch
cyrix-fails-to-detect-mediagx-warning-fix.patch
touchkit-ps-2-touchscreen-driver.patch
lumpy-reclaim-v2-page_to_pfn-fix.patch
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drop-free_pages-fix.patch
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drivers-add-lcd-support-workqueue-fixups.patch
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consolidate-line-discipline-number-definitions-v2-sparc-fix.patch
consolidate-line-discipline-number-definitions-v2-fix-2.patch
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proc_misc-warning-fix.patch
rtc-framework-driver-for-cmos-rtcs-fix.patch
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return-enoent-from-ext3_link-when-racing-with-unlink-fix.patch
filesystem-disk-errors-at-boot-time-caused-by-probe-tidy.patch
filesystem-disk-errors-at-boot-time-caused-by-probe-tidy-fixes.patch
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time-x86_64-convert-x86_64-to-use-generic_time-fix.patch
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schedule_on_each_cpu-use-preempt_disable.patch
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aio-use-flush_work.patch
kblockd-use-flush_work.patch
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sysctl-c99-convert-ctl_tables-in-ntfs-and-remove-sys_sysctl-support-fix.patch
sysctl-move-utsname-sysctls-to-their-own-file-fix-2.patch
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put_bh-debug.patch
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add-debugging-aid-for-memory-initialisation-problems-fix.patch
kmap_atomic-debugging.patch
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