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Date: Sat, 27 Feb 2010 00:33:08 -0600 From: "Jayson R. King" <dev@...sonking.com> To: LKML <linux-kernel@...r.kernel.org>, Stable team <stable@...nel.org>, Greg Kroah-Hartman <gregkh@...e.de> CC: "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>, Mingming Cao <cmm@...ibm.com>, Theodore Ts'o <tytso@....edu>, linux-ext4@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>, Jayson King <dev@...sonking.com> Subject: [08/11] vfs: Remove the range_cont writeback mode. From: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com> Date: Tue Oct 14 09:21:02 2008 -0400 Subject: vfs: Remove the range_cont writeback mode. commit 74baaaaec8b4f22e1ae279f5ecca4ff705b28912 upstream. Ext4 was the only user of range_cont writeback mode and ext4 switched to a different method. So remove the range_cont mode which is not used in the kernel. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@....edu> CC: linux-fsdevel@...r.kernel.org Signed-off-by: Jayson R. King <dev@...sonking.com> --- include/linux/writeback.h | 1 - mm/page-writeback.c | 2 -- 2 files changed, 3 deletions(-) diff -urNp linux-2.6.27.orig/include/linux/writeback.h linux-2.6.27/include/linux/writeback.h --- linux-2.6.27.orig/include/linux/writeback.h 2010-02-26 14:10:42.106252410 -0600 +++ linux-2.6.27/include/linux/writeback.h 2010-02-26 14:25:58.868253029 -0600 @@ -62,7 +62,6 @@ struct writeback_control { unsigned for_writepages:1; /* This is a writepages() call */ unsigned range_cyclic:1; /* range_start is cyclic */ unsigned more_io:1; /* more io to be dispatched */ - unsigned range_cont:1; }; /* diff -urNp linux-2.6.27.orig/mm/page-writeback.c linux-2.6.27/mm/page-writeback.c --- linux-2.6.27.orig/mm/page-writeback.c 2010-02-26 14:10:42.197252340 -0600 +++ linux-2.6.27/mm/page-writeback.c 2010-02-26 14:25:58.869252611 -0600 @@ -1027,8 +1027,6 @@ continue_unlock: if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) mapping->writeback_index = done_index; - if (wbc->range_cont) - wbc->range_start = index << PAGE_CACHE_SHIFT; return ret; } EXPORT_SYMBOL(write_cache_pages); -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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