| To: | Dave Chinner <david@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH 04/10] xfs: fallback to vmalloc for large buffers in xfs_getbmap |
| From: | Mark Tinguely <tinguely@xxxxxxx> |
| Date: | Wed, 14 Mar 2012 13:12:41 -0500 |
| Cc: | xfs@xxxxxxxxxxx |
| In-reply-to: | <1331095828-28742-5-git-send-email-david@xxxxxxxxxxxxx> |
| References: | <1331095828-28742-1-git-send-email-david@xxxxxxxxxxxxx> <1331095828-28742-5-git-send-email-david@xxxxxxxxxxxxx> |
| User-agent: | Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 |
On 03/06/12 22:50, Dave Chinner wrote: From: Dave Chinner<dchinner@xxxxxxxxxx> xfs_getbmap uses for a large buffer for extents, which is kmalloc'd. This can fail after the system has been running for some time as it is a high order allocation. Add a fallback to vmalloc so that it doesn't require contiguous memory and so won't randomly fail on files with large extent lists. Signed-off-by: Dave Chinner<dchinner@xxxxxxxxxx> --- Also Looks good. Reviewed-by: Mark Tinguely <tinguely@xxxxxxx> |
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