Messages in this thread | | | Date | Sat, 13 May 2006 08:42:08 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 008 of 8] md/bitmap: Change md/bitmap file handling to use bmap to file blocks. |
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Paul Clements <paul.clements@steeleye.com> wrote: > > Andrew Morton wrote: > > > The loss of pagecache coherency seems sad. I assume there's never a > > requirement for userspace to read this file. > > Actually, there is. mdadm reads the bitmap file, so that would be > broken. Also, it's just useful for a user to be able to read the bitmap > (od -x, or similar) to figure out approximately how much more he's got > to resync to get an array in-sync. Other than reading the bitmap file, I > don't know of any way to determine that.
Read it with O_DIRECT :( - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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