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Date: Wed, 15 Oct 2008 20:44:07 -0600 From: Andreas Dilger <adilger@....com> To: Chris Mason <chris.mason@...cle.com> Cc: "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>, cmm@...ibm.com, tytso@....edu, sandeen@...hat.com, akpm@...ux-foundation.org, hch@...radead.org, steve@...gwyn.com, npiggin@...e.de, mpatocka@...hat.com, linux-mm@...ck.org, inux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org Subject: Re: [PATCH updated] ext4: Fix file fragmentation during large file write. On Oct 15, 2008 19:51 -0400, Chris Mason wrote: > Just FYI, I ran this with compilebench -i 20 --makej and my log is full > of these: > > ext4_da_writepages: jbd2_start: 1024 pages, ino 520417; err -30 > Pid: 4072, comm: pdflush Not tainted 2.6.27 #2 -30 is -EROFS... Was the filesystem remounted read-only because of an error? > Call Trace: > [<ffffffffa0048493>] ext4_da_writepages+0x171/0x2d3 [ext4] > [<ffffffff802336be>] ? pick_next_task_fair+0x80/0x91 > [<ffffffff80228fa8>] ? source_load+0x2a/0x58 > [<ffffffff8038e499>] ? __next_cpu+0x19/0x26 > [<ffffffff8026748f>] do_writepages+0x28/0x37 > [<ffffffff802a6b39>] __writeback_single_inode+0x14f/0x26d > [<ffffffff802a6fb7>] generic_sync_sb_inodes+0x1c1/0x2a2 > [<ffffffff802a70a1>] sync_sb_inodes+0x9/0xb > [<ffffffff802a73dc>] writeback_inodes+0x64/0xad > [<ffffffff802675db>] wb_kupdate+0x9a/0x10c > [<ffffffff80267fd1>] ? pdflush+0x0/0x1e9 > [<ffffffff80267fd1>] ? pdflush+0x0/0x1e9 > [<ffffffff8026810e>] pdflush+0x13d/0x1e9 > [<ffffffff80267541>] ? wb_kupdate+0x0/0x10c > [<ffffffff80248222>] kthread+0x49/0x77 > [<ffffffff8020c5e9>] child_rip+0xa/0x11 > [<ffffffff802481d9>] ? kthread+0x0/0x77 > [<ffffffff8020c5df>] ? child_rip+0x0/0x11 > > > -- > 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 Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc. -- 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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