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Message-ID: <873ad2znit.fsf@devron.myhome.or.jp> Date: Wed, 25 Mar 2009 05:14:34 +0900 From: OGAWA Hirofumi <hirofumi@...l.parknet.co.jp> To: Jan Kara <jack@...e.cz> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>, Nick Piggin <nickpiggin@...oo.com.au>, "Martin J. Bligh" <mbligh@...igh.org>, linux-ext4@...r.kernel.org, Ying Han <yinghan@...gle.com>, Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton <akpm@...ux-foundation.org>, linux-kernel <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>, guichaz@...il.com, Alex Khesin <alexk@...gle.com>, Mike Waychison <mikew@...gle.com>, Rohit Seth <rohitseth@...gle.com> Subject: Re: ftruncate-mmap: pages are lost after writing to mmaped file. Jan Kara <jack@...e.cz> writes: > BTW: Note that there's a plenty of filesystems that don't implement > mkwrite() (e.g. ext2, UDF, VFAT...) and thus have the same problem with > ENOSPC. So I'd not speak too much about consistency ;). FWIW, fatfs doesn't allow sparse file (mmap the non-allocated region), so I guess there is no problem. -- OGAWA Hirofumi <hirofumi@...l.parknet.co.jp> -- 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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