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author | Jens Axboe <jaxboe@fusionio.com> | 2010-10-19 11:13:04 +0400 |
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committer | Jens Axboe <jaxboe@fusionio.com> | 2010-10-19 11:13:04 +0400 |
commit | fa251f89903d73989e2f63e13d0eaed1e07ce0da (patch) | |
tree | 3f7fe779941e3b6d67754dd7c44a32f48ea47c74 /mm/page-writeback.c | |
parent | dd3932eddf428571762596e17b65f5dc92ca361b (diff) | |
parent | cd07202cc8262e1669edff0d97715f3dd9260917 (diff) | |
download | linux-fa251f89903d73989e2f63e13d0eaed1e07ce0da.tar.xz |
Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier
Conflicts:
block/blk-core.c
drivers/block/loop.c
mm/swapfile.c
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'mm/page-writeback.c')
-rw-r--r-- | mm/page-writeback.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index c09ef5219cbe..e3bccac1f025 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -985,22 +985,16 @@ continue_unlock: } } - if (wbc->nr_to_write > 0) { - if (--wbc->nr_to_write == 0 && - wbc->sync_mode == WB_SYNC_NONE) { - /* - * We stop writing back only if we are - * not doing integrity sync. In case of - * integrity sync we have to keep going - * because someone may be concurrently - * dirtying pages, and we might have - * synced a lot of newly appeared dirty - * pages, but have not synced all of the - * old dirty pages. - */ - done = 1; - break; - } + /* + * We stop writing back only if we are not doing + * integrity sync. In case of integrity sync we have to + * keep going until we have written all the pages + * we tagged for writeback prior to entering this loop. + */ + if (--wbc->nr_to_write <= 0 && + wbc->sync_mode == WB_SYNC_NONE) { + done = 1; + break; } } pagevec_release(&pvec); @@ -1132,6 +1126,7 @@ void account_page_dirtied(struct page *page, struct address_space *mapping) task_io_account_write(PAGE_CACHE_SIZE); } } +EXPORT_SYMBOL(account_page_dirtied); /* * For address_spaces which do not use buffers. Just tag the page as dirty in |