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| author | Christoph Hellwig <hch@infradead.org> | 2007-05-14 18:23:50 +1000 |
|---|---|---|
| committer | Tim Shimmin <tes@chook.melbourne.sgi.com> | 2007-07-14 15:21:14 +1000 |
| commit | 1fa40b01ae4d1b00e366d4949edcc230f5cd6d99 (patch) | |
| tree | 66059d8f37bfafc6cce57509829ee253b3269252 /fs/xfs/xfs_log.c | |
| parent | 4eb6bf6bfb580afaf1e1a1d30cba17a078530cf4 (diff) | |
| download | op-kernel-dev-1fa40b01ae4d1b00e366d4949edcc230f5cd6d99.zip op-kernel-dev-1fa40b01ae4d1b00e366d4949edcc230f5cd6d99.tar.gz | |
[XFS] Only use refcounted pages for I/O
Many block drivers (aoe, iscsi) really want refcountable pages in bios,
which is what almost everyone send down. XFS unfortunately has a few
places where it sends down buffers that may come from kmalloc, which
breaks them.
Fix the places that use kmalloc()d buffers.
SGI-PV: 964546
SGI-Modid: xfs-linux-melb:xfs-kern:28562a
Signed-Off-By: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_log.c')
| -rw-r--r-- | fs/xfs/xfs_log.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index c48bf61..635f99e 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -1199,11 +1199,18 @@ xlog_alloc_log(xfs_mount_t *mp, *iclogp = (xlog_in_core_t *) kmem_zalloc(sizeof(xlog_in_core_t), KM_SLEEP); iclog = *iclogp; - iclog->hic_data = (xlog_in_core_2_t *) - kmem_zalloc(iclogsize, KM_SLEEP | KM_LARGE); - iclog->ic_prev = prev_iclog; prev_iclog = iclog; + + bp = xfs_buf_get_noaddr(log->l_iclog_size, mp->m_logdev_targp); + if (!XFS_BUF_CPSEMA(bp)) + ASSERT(0); + XFS_BUF_SET_IODONE_FUNC(bp, xlog_iodone); + XFS_BUF_SET_BDSTRAT_FUNC(bp, xlog_bdstrat_cb); + XFS_BUF_SET_FSPRIVATE2(bp, (unsigned long)1); + iclog->ic_bp = bp; + iclog->hic_data = bp->b_addr; + log->l_iclog_bak[i] = (xfs_caddr_t)&(iclog->ic_header); head = &iclog->ic_header; @@ -1216,11 +1223,6 @@ xlog_alloc_log(xfs_mount_t *mp, INT_SET(head->h_fmt, ARCH_CONVERT, XLOG_FMT); memcpy(&head->h_fs_uuid, &mp->m_sb.sb_uuid, sizeof(uuid_t)); - bp = xfs_buf_get_empty(log->l_iclog_size, mp->m_logdev_targp); - XFS_BUF_SET_IODONE_FUNC(bp, xlog_iodone); - XFS_BUF_SET_BDSTRAT_FUNC(bp, xlog_bdstrat_cb); - XFS_BUF_SET_FSPRIVATE2(bp, (unsigned long)1); - iclog->ic_bp = bp; iclog->ic_size = XFS_BUF_SIZE(bp) - log->l_iclog_hsize; iclog->ic_state = XLOG_STATE_ACTIVE; @@ -1528,7 +1530,6 @@ xlog_dealloc_log(xlog_t *log) } #endif next_iclog = iclog->ic_next; - kmem_free(iclog->hic_data, log->l_iclog_size); kmem_free(iclog, sizeof(xlog_in_core_t)); iclog = next_iclog; } |
