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Re: [PATCH hurd/ext2fs] Sync pager before clearing MAY_CACHE flag
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From: |
Samuel Thibault |
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Subject: |
Re: [PATCH hurd/ext2fs] Sync pager before clearing MAY_CACHE flag |
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Date: |
Mon, 3 Oct 2011 10:48:19 +0200 |
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User-agent: |
Mutt/1.5.21+34 (58baf7c9f32f) (2010-12-30) |
Sergio López, le Mon 03 Oct 2011 10:08:09 +0200, a écrit :
> Clearing the flag will, implicitily, generate a full object
> synchronization, but with a higher cost, since pages are sent one by
> one. By synchronizing the object explicitily (and waiting for
> completion), all data is sent through m_o_lock_request, which is able
> to send to the pager up to 32 pages at a time (DATA_WRITE_MAX).
Ok, but won't waiting makes some operations serialized? (e.g. like in
another case it was making rm -fr wait for each file deletion written on
the disk).
Samuel