All the mail mirrored from lore.kernel.org
 help / color / mirror / Atom feed
* + writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-2.patch added to -mm tree
@ 2021-06-10 22:58 akpm
  0 siblings, 0 replies; only message in thread
From: akpm @ 2021-06-10 22:58 UTC (permalink / raw
  To: guro, mm-commits


The patch titled
     Subject: writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-2
has been added to the -mm tree.  Its filename is
     writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-2.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-2.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-2.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** 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: Roman Gushchin <guro@fb.com>
Subject: writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-2

replace open-coded "115" with arithmetic

Link: https://lkml.kernel.org/r/YMEcSBcq/VXMiPPO@carbon.dhcp.thefacebook.com

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/fs-writeback.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/fs/fs-writeback.c~writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-2
+++ a/fs/fs-writeback.c
@@ -229,7 +229,8 @@ void wb_wait_for_completion(struct wb_co
  * Maximum inodes per isw.  A specific value has been chosen to make
  * struct inode_switch_wbs_context fit into 1024 bytes kmalloc.
  */
-#define WB_MAX_INODES_PER_ISW	115
+#define WB_MAX_INODES_PER_ISW  ((1024UL - sizeof(struct inode_switch_wbs_context)) \
+                                / sizeof(struct inode *))
 
 static atomic_t isw_nr_in_flight = ATOMIC_INIT(0);
 static struct workqueue_struct *isw_wq;
_

Patches currently in -mm which might be from guro@fb.com are

writeback-cgroup-do-not-switch-inodes-with-i_will_free-flag.patch
writeback-cgroup-add-smp_mb-to-cgroup_writeback_umount.patch
writeback-cgroup-increment-isw_nr_in_flight-before-grabbing-an-inode.patch
writeback-cgroup-switch-to-rcu_work-api-in-inode_switch_wbs.patch
writeback-cgroup-keep-list-of-inodes-attached-to-bdi_writeback.patch
writeback-cgroup-split-out-the-functional-part-of-inode_switch_wbs_work_fn.patch
writeback-cgroup-support-switching-multiple-inodes-at-once.patch
writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes.patch
writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-2.patch
writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix.patch


^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2021-06-10 22:58 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-06-10 22:58 + writeback-cgroup-release-dying-cgwbs-by-switching-attached-inodes-fix-2.patch added to -mm tree akpm

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.