| To: | Lukas Czerner <lczerner@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH 4/4] fs: Disallow all fallocate operation on active swapfile |
| From: | Christoph Hellwig <hch@xxxxxxxxxxxxx> |
| Date: | Sat, 12 Apr 2014 08:22:25 -0700 |
| Cc: | linux-fsdevel@xxxxxxxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx |
| Delivered-to: | xfs@xxxxxxxxxxx |
| In-reply-to: | <1397242665-2183-4-git-send-email-lczerner@xxxxxxxxxx> |
| References: | <1397242665-2183-1-git-send-email-lczerner@xxxxxxxxxx> <1397242665-2183-4-git-send-email-lczerner@xxxxxxxxxx> |
| User-agent: | Mutt/1.5.21 (2010-09-15) |
Given that the earlier patches were about races - what protects us from swapon racing with the check outside the filesystem locks? |
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