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Date: Tue, 21 Jul 2020 16:14:37 +0100 From: Matthew Wilcox <willy@...radead.org> To: Christoph Hellwig <hch@....de> Cc: Goldwyn Rodrigues <rgoldwyn@...e.de>, Dave Chinner <david@...morbit.com>, Damien Le Moal <damien.lemoal@....com>, Naohiro Aota <naohiro.aota@....com>, Johannes Thumshirn <jth@...nel.org>, linux-btrfs@...r.kernel.org, linux-fsdevel@...r.kernel.org, cluster-devel@...hat.com, linux-ext4@...r.kernel.org, linux-xfs@...r.kernel.org, Michael Kerrisk <mtk.manpages@...il.com>, linux-man@...r.kernel.org Subject: Re: RFC: iomap write invalidation On Tue, Jul 21, 2020 at 05:06:15PM +0200, Christoph Hellwig wrote: > On Tue, Jul 21, 2020 at 04:04:32PM +0100, Matthew Wilcox wrote: > > I thought you were going to respin this with EREMCHG changed to ENOTBLK? > > Oh, true. I'll do that ASAP. Michael, could we add this to manpages? --- write.2.old 2020-07-21 11:11:17.740491825 -0400 +++ write.2 2020-07-21 11:13:05.900389249 -0400 @@ -192,6 +192,12 @@ .IR count , or the file offset is not suitably aligned. .TP +.B ENOTBLK +The file was opened with the +.B O_DIRECT +flag, and the I/O could not be completed due to another process using +the file. +.TP .B EIO A low-level I/O error occurred while modifying the inode. This error may relate to the write-back of data written by an earlier
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