The patch titled
Subject: mm-for-fs-add-truncate_pagecache_range-fix
has been added to the -mm tree. Its filename is
mm-for-fs-add-truncate_pagecache_range-fix.patch
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From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-for-fs-add-truncate_pagecache_range-fix
document locking requirements
Cc: "Theodore Ts'o" <tytso@xxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Alex Elder <elder@xxxxxxxxxx>
Cc: Andreas Dilger <adilger.kernel@xxxxxxxxx>
Cc: Ben Myers <bpm@xxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Dave Chinner <david@xxxxxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Mark Fasheh <mfasheh@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/truncate.c | 3 +++
1 file changed, 3 insertions(+)
diff -puN mm/truncate.c~mm-for-fs-add-truncate_pagecache_range-fix mm/truncate.c
--- a/mm/truncate.c~mm-for-fs-add-truncate_pagecache_range-fix
+++ a/mm/truncate.c
@@ -639,6 +639,9 @@ int vmtruncate_range(struct inode *inode
* with on-disk format, and the filesystem would not have to deal with
* situations such as writepage being called for a page that has already
* had its underlying blocks deallocated.
+ *
+ * Must be called with inode->i_mapping->i_mutex held.
+ * Takes inode->i_mapping->i_mmap_mutex.
*/
void truncate_pagecache_range(struct inode *inode, loff_t lstart, loff_t lend)
{
_
Subject: Subject: mm-for-fs-add-truncate_pagecache_range-fix
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
origin.patch
linux-next.patch
linux-next-git-rejects.patch
i-need-old-gcc.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
drivers-block-nvmec-stop-breaking-my-i386-build.patch
drivers-staging-zsmalloc-zsmalloc-mainc-unbork.patch
mm-for-fs-add-truncate_pagecache_range-fix.patch
arch-x86-platform-iris-irisc-register-a-platform-device-and-a-platform-driver.patch
x86-use-this_cpu_xxx-to-replace-percpu_xxx-funcs.patch
percpu-remove-percpu_xxx-functions-fix.patch
net-netfilter-nfnetlink_acctc-use-linux-atomich.patch
sched-fix-compiler-warning-about-declared-inline-after-use.patch
brlocks-lglocks-cleanups.patch
simple_open-automatically-convert-to-simple_open-checkpatch-fixes.patch
fs-symlink-restrictions-on-sticky-directories.patch
fs-hardlink-creation-restrictions-fix.patch
mm.patch
mm-add-extra-free-kbytes-tunable-update-checkpatch-fixes.patch
memcg-change-behavior-of-moving-charges-at-task-move-fix.patch
cpuidle-add-a-sysfs-entry-to-disable-specific-c-state-for-debug-purpose-fix.patch
prctl-add-pr_setget_child_subreaper-to-allow-simple-process-supervision-fix.patch
prctl-add-pr_setget_child_subreaper-to-allow-simple-process-supervision-fix-fix.patch
kernel-exitc-if-init-dies-log-a-signal-which-killed-it-if-any-fix.patch
arch-powerpc-platforms-pseries-eeh_eventc-slightly-fix-set_current_state-wart.patch
kernel-watchdogc-convert-to-pr_foo.patch
kernel-watchdogc-add-comment-to-watchdog-exit-path.patch
backlight-use-id-driver_data-to-differentiate-lp855x-chips-fix.patch
backlight-add-driver-for-bachmanns-ot200-fix.patch
leds-lp5521-support-led-pattern-data-checkpatch-fixes.patch
drivers-leds-leds-lp5523c-constify-some-data.patch
drivers-leds-add-driver-for-pca9663-i2c-chip-fix.patch
leds-lm3530-replace-i2c_client-with-led_classdev-fix.patch
drivers-leds-leds-lm3530c-move-the-code-setting-gen_config-to-one-place-fix.patch
crc32-move-long-comment-about-crc32-fundamentals-to-documentation-fix.patch
drivers-xen-kconfig-fix-kconfig-layout.patch
rtc-rtc-driver-for-da9052-53-pmic-v1-fix.patch
kmod-avoid-deadlock-by-recursive-kmod-call-fix.patch
coredump-add-vm_nodump-madv_nodump-madv_clear_nodump-fix.patch
coredump-add-vm_nodump-madv_nodump-madv_clear_nodump-fix-fix.patch
procfs-add-num_to_str-to-speed-up-proc-stat-fix.patch
procfs-speed-up-proc-pid-stat-statm-checkpatch-fixes.patch
seq_file-add-seq_set_overflow-seq_overflow-fix.patch
smp-add-func-to-ipi-cpus-based-on-parameter-func-fix.patch
smp-add-func-to-ipi-cpus-based-on-parameter-func-update-fix.patch
smp-add-func-to-ipi-cpus-based-on-parameter-func-v9.patch
smp-add-func-to-ipi-cpus-based-on-parameter-func-v9-fix.patch
pidns-add-reboot_pid_ns-to-handle-the-reboot-syscall-fix.patch
pidns-add-reboot_pid_ns-to-handle-the-reboot-syscall-checkpatch-fixes.patch
fs-proc-namespacesc-prevent-crash-when-ns_entries-is-empty.patch
radix-tree-introduce-bit-optimized-iterator-v3-fix.patch
selftests-makefile-make-run_tests-depend-on-all.patch
move-hugepage-test-examples-to-tools-testing-selftests-vm-fix.patch
move-hugepage-test-examples-to-tools-testing-selftests-vm-fix-fix.patch
syscalls-x86-add-__nr_kcmp-syscall-v8.patch
syscalls-x86-add-__nr_kcmp-syscall-v8-fix.patch
syscalls-x86-add-__nr_kcmp-syscall-v8-fix-2.patch
c-r-prctl-add-ability-to-get-clear_tid_address-fix.patch
notify_change-check-that-i_mutex-is-held.patch
journal_add_journal_head-debug.patch
mutex-subsystem-synchro-test-module-fix.patch
slab-leaks3-default-y.patch
put_bh-debug.patch
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