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| author |   Dave Chinner <dchinner@redhat.com> | 2010-09-22 10:47:20 +1000 |
|---|---|---|
| committer |   Alex Elder <aelder@sgi.com> | 2010-10-18 15:07:48 -0500 |
| commit | ebad861b5702c3e2332a3e906978f47144d22f70 (patch) | |
| tree | 7b4502277c46d26d1d26258d05596b58ab6b868a /fs/xfs/linux-2.6/xfs_super.c | |
| parent | xfs: introduced uncached buffer read primitve (diff) | |
| download | linux-dev-ebad861b5702c3e2332a3e906978f47144d22f70.tar.xz linux-dev-ebad861b5702c3e2332a3e906978f47144d22f70.zip | |
xfs: store xfs_mount in the buftarg instead of in the xfs_buf
Each buffer contains both a buftarg pointer and a mount pointer. If
we add a mount pointer into the buftarg, we can avoid needing the
b_mount field in every buffer and grab it from the buftarg when
needed instead. This shrinks the xfs_buf by 8 bytes.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_super.c')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_super.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 83154c0a3175..4759be4daa26 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -758,18 +758,20 @@ xfs_open_devices( * Setup xfs_mount buffer target pointers */ error = ENOMEM; - mp->m_ddev_targp = xfs_alloc_buftarg(ddev, 0, mp->m_fsname); + mp->m_ddev_targp = xfs_alloc_buftarg(mp, ddev, 0, mp->m_fsname); if (!mp->m_ddev_targp) goto out_close_rtdev; if (rtdev) { - mp->m_rtdev_targp = xfs_alloc_buftarg(rtdev, 1, mp->m_fsname); + mp->m_rtdev_targp = xfs_alloc_buftarg(mp, rtdev, 1, + mp->m_fsname); if (!mp->m_rtdev_targp) goto out_free_ddev_targ; } if (logdev && logdev != ddev) { - mp->m_logdev_targp = xfs_alloc_buftarg(logdev, 1, mp->m_fsname); + mp->m_logdev_targp = xfs_alloc_buftarg(mp, logdev, 1, + mp->m_fsname); if (!mp->m_logdev_targp) goto out_free_rtdev_targ; } else { |