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Date: Sun, 24 Nov 2013 18:38:20 -0500 From: Johannes Weiner <hannes@...xchg.org> To: Andrew Morton <akpm@...ux-foundation.org> Cc: Dave Chinner <david@...morbit.com>, Rik van Riel <riel@...hat.com>, Jan Kara <jack@...e.cz>, Vlastimil Babka <vbabka@...e.cz>, Peter Zijlstra <peterz@...radead.org>, Tejun Heo <tj@...nel.org>, Andi Kleen <andi@...stfloor.org>, Andrea Arcangeli <aarcange@...hat.com>, Greg Thelen <gthelen@...gle.com>, Christoph Hellwig <hch@...radead.org>, Hugh Dickins <hughd@...gle.com>, KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>, Mel Gorman <mgorman@...e.de>, Minchan Kim <minchan.kim@...il.com>, Michel Lespinasse <walken@...gle.com>, Seth Jennings <sjenning@...ux.vnet.ibm.com>, Roman Gushchin <klamm@...dex-team.ru>, Ozgun Erdogan <ozgun@...usdata.com>, Metin Doslu <metin@...usdata.com>, linux-mm@...ck.org, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [patch 1/9] fs: cachefiles: use add_to_page_cache_lru() This code used to have its own lru cache pagevec up until a0b8cab3 ("mm: remove lru parameter from __pagevec_lru_add and remove parts of pagevec API"). Now it's just add_to_page_cache() followed by lru_cache_add(), might as well use add_to_page_cache_lru() directly. Signed-off-by: Johannes Weiner <hannes@...xchg.org> --- fs/cachefiles/rdwr.c | 33 +++++++++++++-------------------- 1 file changed, 13 insertions(+), 20 deletions(-) diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c index ebaff36..4b1fb5c 100644 --- a/fs/cachefiles/rdwr.c +++ b/fs/cachefiles/rdwr.c @@ -265,24 +265,22 @@ static int cachefiles_read_backing_file_one(struct cachefiles_object *object, goto nomem_monitor; } - ret = add_to_page_cache(newpage, bmapping, - netpage->index, cachefiles_gfp); + ret = add_to_page_cache_lru(newpage, bmapping, + netpage->index, cachefiles_gfp); if (ret == 0) goto installed_new_backing_page; if (ret != -EEXIST) goto nomem_page; } - /* we've installed a new backing page, so now we need to add it - * to the LRU list and start it reading */ + /* we've installed a new backing page, so now we need to start + * it reading */ installed_new_backing_page: _debug("- new %p", newpage); backpage = newpage; newpage = NULL; - lru_cache_add_file(backpage); - read_backing_page: ret = bmapping->a_ops->readpage(NULL, backpage); if (ret < 0) @@ -510,24 +508,23 @@ static int cachefiles_read_backing_file(struct cachefiles_object *object, goto nomem; } - ret = add_to_page_cache(newpage, bmapping, - netpage->index, cachefiles_gfp); + ret = add_to_page_cache_lru(newpage, bmapping, + netpage->index, + cachefiles_gfp); if (ret == 0) goto installed_new_backing_page; if (ret != -EEXIST) goto nomem; } - /* we've installed a new backing page, so now we need to add it - * to the LRU list and start it reading */ + /* we've installed a new backing page, so now we need + * to start it reading */ installed_new_backing_page: _debug("- new %p", newpage); backpage = newpage; newpage = NULL; - lru_cache_add_file(backpage); - reread_backing_page: ret = bmapping->a_ops->readpage(NULL, backpage); if (ret < 0) @@ -538,8 +535,8 @@ static int cachefiles_read_backing_file(struct cachefiles_object *object, monitor_backing_page: _debug("- monitor add"); - ret = add_to_page_cache(netpage, op->mapping, netpage->index, - cachefiles_gfp); + ret = add_to_page_cache_lru(netpage, op->mapping, + netpage->index, cachefiles_gfp); if (ret < 0) { if (ret == -EEXIST) { page_cache_release(netpage); @@ -549,8 +546,6 @@ static int cachefiles_read_backing_file(struct cachefiles_object *object, goto nomem; } - lru_cache_add_file(netpage); - /* install a monitor */ page_cache_get(netpage); monitor->netfs_page = netpage; @@ -613,8 +608,8 @@ static int cachefiles_read_backing_file(struct cachefiles_object *object, backing_page_already_uptodate: _debug("- uptodate"); - ret = add_to_page_cache(netpage, op->mapping, netpage->index, - cachefiles_gfp); + ret = add_to_page_cache_lru(netpage, op->mapping, + netpage->index, cachefiles_gfp); if (ret < 0) { if (ret == -EEXIST) { page_cache_release(netpage); @@ -631,8 +626,6 @@ static int cachefiles_read_backing_file(struct cachefiles_object *object, fscache_mark_page_cached(op, netpage); - lru_cache_add_file(netpage); - /* the netpage is unlocked and marked up to date here */ fscache_end_io(op, netpage, 0); page_cache_release(netpage); -- 1.8.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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