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Message-ID: <20080802002228.GB8433@mit.edu> Date: Fri, 1 Aug 2008 20:22:29 -0400 From: Theodore Tso <tytso@....edu> To: Mingming Cao <cmm@...ibm.com> Cc: Shehjar Tikoo <shehjart@....unsw.edu.au>, linux-ext4@...r.kernel.org, "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>, Andreas Dilger <adilger@....com> Subject: Re: [PATCH v3]Ext4: journal credits reservation fixes for DIO, fallocate and delalloc writepages On Fri, Aug 01, 2008 at 03:29:47PM -0400, Theodore Tso wrote: > I'm noticing that when I reboot, presumably either just before or just > after remounting the filesystem read-only, I'm getting a whole series > of > > ext4_da_writepages: Not enough credits to flush N pages > > .. where N is mostly 1, but occasionally will be 2. > > I'm not sure why this is happening; I did run sync before rebooting, > and I haven't noticed any files written just before the reboot getting > corrupted, but there is something strange happening here. I instrumented the check, and it is returning an error -30 --- EROFS. So it's not the fault journal credits patch, but I'm a bit concerned why ext4_da_writepages is getting called right before the system is rebooted, and presumably after the filesystem is remounted read/only. - Ted -- 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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