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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-06 19:02:23 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-06 19:02:23 -0800
commit208bca0860406d16398145ddd950036a737c3c9d (patch)
tree7797a16c17d8bd155120126fa7976727fc6de013 /mm/backing-dev.c
parent6aad3738f6a79fd0ca480eaceefe064cc471f6eb (diff)
parent0e175a1835ffc979e55787774e58ec79e41957d7 (diff)
downloadlinux-208bca0860406d16398145ddd950036a737c3c9d.tar.gz
Merge branch 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux
* 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux: writeback: Add a 'reason' to wb_writeback_work writeback: send work item to queue_io, move_expired_inodes writeback: trace event balance_dirty_pages writeback: trace event bdi_dirty_ratelimit writeback: fix ppc compile warnings on do_div(long long, unsigned long) writeback: per-bdi background threshold writeback: dirty position control - bdi reserve area writeback: control dirty pause time writeback: limit max dirty pause time writeback: IO-less balance_dirty_pages() writeback: per task dirty rate limit writeback: stabilize bdi->dirty_ratelimit writeback: dirty rate control writeback: add bg_threshold parameter to __bdi_update_bandwidth() writeback: dirty position control writeback: account per-bdi accumulated dirtied pages
Diffstat (limited to 'mm/backing-dev.c')
-rw-r--r--mm/backing-dev.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 7520ef0bfd4..a0860640378 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -97,6 +97,7 @@ static int bdi_debug_stats_show(struct seq_file *m, void *v)
"BdiDirtyThresh: %10lu kB\n"
"DirtyThresh: %10lu kB\n"
"BackgroundThresh: %10lu kB\n"
+ "BdiDirtied: %10lu kB\n"
"BdiWritten: %10lu kB\n"
"BdiWriteBandwidth: %10lu kBps\n"
"b_dirty: %10lu\n"
@@ -109,6 +110,7 @@ static int bdi_debug_stats_show(struct seq_file *m, void *v)
K(bdi_thresh),
K(dirty_thresh),
K(background_thresh),
+ (unsigned long) K(bdi_stat(bdi, BDI_DIRTIED)),
(unsigned long) K(bdi_stat(bdi, BDI_WRITTEN)),
(unsigned long) K(bdi->write_bandwidth),
nr_dirty,
@@ -473,7 +475,8 @@ static int bdi_forker_thread(void *ptr)
* the bdi from the thread. Hopefully 1024 is
* large enough for efficient IO.
*/
- writeback_inodes_wb(&bdi->wb, 1024);
+ writeback_inodes_wb(&bdi->wb, 1024,
+ WB_REASON_FORKER_THREAD);
} else {
/*
* The spinlock makes sure we do not lose
@@ -683,6 +686,8 @@ int bdi_init(struct backing_dev_info *bdi)
bdi->bw_time_stamp = jiffies;
bdi->written_stamp = 0;
+ bdi->balanced_dirty_ratelimit = INIT_BW;
+ bdi->dirty_ratelimit = INIT_BW;
bdi->write_bandwidth = INIT_BW;
bdi->avg_write_bandwidth = INIT_BW;