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| author | Jens Axboe <jens.axboe@oracle.com> | 2010-05-21 20:00:35 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2010-05-21 20:00:35 +0200 |
| commit | 6423104b6a1e6f0c18be60e8c33f02d263331d5e (patch) | |
| tree | e22957400e9679bf82b62e03d6bd831181053945 /mm/page-writeback.c | |
| parent | f9eadbbd424c083b8005c7b738f644611b9ef489 (diff) | |
| download | kernel_samsung_smdk4412-6423104b6a1e6f0c18be60e8c33f02d263331d5e.tar.gz kernel_samsung_smdk4412-6423104b6a1e6f0c18be60e8c33f02d263331d5e.tar.bz2 kernel_samsung_smdk4412-6423104b6a1e6f0c18be60e8c33f02d263331d5e.zip | |
writeback: fixups for !dirty_writeback_centisecs
Commit 69b62d01 fixed up most of the places where we would enter
busy schedule() spins when disabling the periodic background
writeback. This fixes up the sb timer so that it doesn't get
hammered on with the delay disabled, and ensures that it gets
rearmed if needed when /proc/sys/vm/dirty_writeback_centisecs
gets modified.
bdi_forker_task() also needs to check for !dirty_writeback_centisecs
and use schedule() appropriately, fix that up too.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'mm/page-writeback.c')
| -rw-r--r-- | mm/page-writeback.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 53b2fcf2d28..0d7bbe85955 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -690,6 +690,7 @@ int dirty_writeback_centisecs_handler(ctl_table *table, int write, void __user *buffer, size_t *length, loff_t *ppos) { proc_dointvec(table, write, buffer, length, ppos); + bdi_arm_supers_timer(); return 0; } |