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xfs: rename xfs_buf_get_nodaddr to be more appropriate

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xfs_buf_get_nodaddr() is really used to allocate a buffer that is
uncached. While it is not directly assigned a disk address, the fact
that they are not cached is a more important distinction. With the
upcoming uncached buffer read primitive, we should be consistent
with this disctinction.

While there, make page allocation in xfs_buf_get_nodaddr() safe
against memory reclaim re-entrancy into the filesystem by allowing
a flags parameter to be passed.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>
This commit is contained in:
Dave Chinner
2010-09-24 20:07:47 +10:00
committed by Alex Elder
parent dcd79a1423
commit 686865f76e
6 changed files with 14 additions and 11 deletions
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3
fs/xfs/xfs_log.c
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@@ -1131,7 +1131,8 @@ xlog_alloc_log(xfs_mount_t *mp,
iclog->ic_prev = prev_iclog;
prev_iclog = iclog;
bp = xfs_buf_get_noaddr(log->l_iclog_size, mp->m_logdev_targp);
bp = xfs_buf_get_uncached(mp->m_logdev_targp,
log->l_iclog_size, 0);
if (!bp)
goto out_free_iclog;
if (!XFS_BUF_CPSEMA(bp))