Re: [PATCH] ext4: Protect group inode free counting with group lock.
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On 5/16/12 9:55 AM, Tao Ma wrote: > On 05/16/2012 09:43 PM, Eric Sandeen wrote: >> On 5/16/12 3:49 AM, Tao Ma wrote: >>> From: Tao Ma <boyu.mt@xxxxxxxxxx> >>> >>> Now when we set the group inode free count, we don't have a proper >>> group lock so that multiple threads may decrease the inode free >>> count at the same time. And e2fsck will complain something like: >> >> This is only in the ! EXT4_FEATURE_RO_COMPAT_GDT_CSUM case I guess? >> That would be worth mentioning in the summary & changelog. > sure, I will add it in v2. >> >> I guess you were testing without that for some reason? > See my comments below. I found it when running xfstests 269. Still not sure how you got a filesystem w/o that feature though, unless I am forgetting something obvious. Isn't it on by default? -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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