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(parent: 05bc52a) | patch
[XFS] use scalable vmap API
authorNick Piggin <npiggin@suse.de>
Tue, 6 Jan 2009 03:43:09 +0000 (14:43 +1100)
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>
Tue, 6 Jan 2009 03:43:09 +0000 (14:43 +1100)
commit2aecc3cde4254aa43807acd5d644790357b745a9
tree178ea7347f9affb8548786216396eae4970601a5tree | snapshot
parent05bc52a2341b62edfaacd3e18d4e802016292d09commit | diff
[XFS] use scalable vmap API

Implement XFS's large buffer support with the new vmap APIs. See the vmap
rewrite (bef581e0) for some numbers. The biggest improvement that comes from
using the new APIs is avoiding the global KVA allocation lock on every call.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
fs/xfs/linux-2.6/xfs_buf.c diff | blob | history
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