The patch titled
Subject: writeback-safer-lock-nesting-fix
has been added to the -mm tree. Its filename is
writeback-safer-lock-nesting-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/writeback-safer-lock-nesting-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/writeback-safer-lock-nesting-fix.patch
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: writeback-safer-lock-nesting-fix
comment tweaks, struct initialization simplification
Cc: Greg Thelen <gthelen@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Nicholas Piggin <npiggin@xxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Wang Long <wanglong19@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/backing-dev.h | 3 ++-
mm/page-writeback.c | 6 +++---
2 files changed, 5 insertions(+), 4 deletions(-)
diff -puN include/linux/backing-dev.h~writeback-safer-lock-nesting-fix include/linux/backing-dev.h
--- a/include/linux/backing-dev.h~writeback-safer-lock-nesting-fix
+++ a/include/linux/backing-dev.h
@@ -355,7 +355,8 @@ static inline struct bdi_writeback *inod
* unlocked_inode_to_wb_end().
*
* The caller must call unlocked_inode_to_wb_end() with *@cookie afterwards and
- * can't sleep during transaction. IRQ may or may not be disabled on return.
+ * can't sleep during the transaction. IRQs may or may not be disabled on
+ * return.
*/
static inline struct bdi_writeback *
unlocked_inode_to_wb_begin(struct inode *inode, struct wb_lock_cookie *cookie)
diff -puN mm/page-writeback.c~writeback-safer-lock-nesting-fix mm/page-writeback.c
--- a/mm/page-writeback.c~writeback-safer-lock-nesting-fix
+++ a/mm/page-writeback.c
@@ -2501,7 +2501,7 @@ void account_page_redirty(struct page *p
if (mapping && mapping_cap_account_dirty(mapping)) {
struct inode *inode = mapping->host;
struct bdi_writeback *wb;
- struct wb_lock_cookie cookie = {0};
+ struct wb_lock_cookie cookie = {};
wb = unlocked_inode_to_wb_begin(inode, &cookie);
current->nr_dirtied--;
@@ -2613,7 +2613,7 @@ void __cancel_dirty_page(struct page *pa
if (mapping_cap_account_dirty(mapping)) {
struct inode *inode = mapping->host;
struct bdi_writeback *wb;
- struct wb_lock_cookie cookie = {0};
+ struct wb_lock_cookie cookie = {};
lock_page_memcg(page);
wb = unlocked_inode_to_wb_begin(inode, &cookie);
@@ -2653,7 +2653,7 @@ int clear_page_dirty_for_io(struct page
if (mapping && mapping_cap_account_dirty(mapping)) {
struct inode *inode = mapping->host;
struct bdi_writeback *wb;
- struct wb_lock_cookie cookie = {0};
+ struct wb_lock_cookie cookie = {};
/*
* Yes, Virginia, this is indeed insane.
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
i-need-old-gcc.patch
mm-gup_benchmark-handle-gup-failures-fix.patch
mm-pagemap-fix-swap-offset-value-for-pmd-migration-entry-fix.patch
writeback-safer-lock-nesting-fix.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
ocfs2-without-quota-support-try-to-avoid-calling-quota-recovery-checkpatch-fixes.patch
mm.patch
z3fold-fix-memory-leak-fix.patch
list_lru-prefetch-neighboring-list-entries-before-acquiring-lock-fix.patch
mm-oom-cgroup-aware-oom-killer-fix.patch
mm-oom-docs-describe-the-cgroup-aware-oom-killer-fix-2-fix.patch
proc-add-seq_put_decimal_ull_width-to-speed-up-proc-pid-smaps-fix.patch
fs-reiserfs-journalc-add-missing-resierfs_warning-arg.patch
ipc-shmc-shm_split-remove-unneeded-test-for-null-shm_file_datavm_ops.patch
linux-next-rejects.patch
linux-next-fixup.patch
fs-fsnotify-account-fsnotify-metadata-to-kmemcg-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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