diff options
| author | Dave Chinner <dchinner@redhat.com> | 2010-09-22 04:47:20 +0400 |
|---|---|---|
| committer | Alex Elder <aelder@sgi.com> | 2010-10-19 00:07:48 +0400 |
| commit | ebad861b5702c3e2332a3e906978f47144d22f70 (patch) | |
| tree | 7b4502277c46d26d1d26258d05596b58ab6b868a /fs/xfs/xfs_log_recover.c | |
| parent | 5adc94c247c3779782c7b0b8b5e28cf50596eb37 (diff) | |
| download | linux-ebad861b5702c3e2332a3e906978f47144d22f70.tar.xz | |
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/xfs_log_recover.c')
| -rw-r--r-- | fs/xfs/xfs_log_recover.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 3d887542b037..351d71117f16 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -322,10 +322,11 @@ xlog_recover_iodone( * this during recovery. One strike! */ xfs_ioerror_alert("xlog_recover_iodone", - bp->b_mount, bp, XFS_BUF_ADDR(bp)); - xfs_force_shutdown(bp->b_mount, SHUTDOWN_META_IO_ERROR); + bp->b_target->bt_mount, bp, + XFS_BUF_ADDR(bp)); + xfs_force_shutdown(bp->b_target->bt_mount, + SHUTDOWN_META_IO_ERROR); } - bp->b_mount = NULL; XFS_BUF_CLR_IODONE_FUNC(bp); xfs_biodone(bp); } @@ -2276,8 +2277,7 @@ xlog_recover_do_buffer_trans( XFS_BUF_STALE(bp); error = xfs_bwrite(mp, bp); } else { - ASSERT(bp->b_mount == NULL || bp->b_mount == mp); - bp->b_mount = mp; + ASSERT(bp->b_target->bt_mount == mp); XFS_BUF_SET_IODONE_FUNC(bp, xlog_recover_iodone); xfs_bdwrite(mp, bp); } @@ -2541,8 +2541,7 @@ xlog_recover_do_inode_trans( } write_inode_buffer: - ASSERT(bp->b_mount == NULL || bp->b_mount == mp); - bp->b_mount = mp; + ASSERT(bp->b_target->bt_mount == mp); XFS_BUF_SET_IODONE_FUNC(bp, xlog_recover_iodone); xfs_bdwrite(mp, bp); error: @@ -2679,8 +2678,7 @@ xlog_recover_do_dquot_trans( memcpy(ddq, recddq, item->ri_buf[1].i_len); ASSERT(dq_f->qlf_size == 2); - ASSERT(bp->b_mount == NULL || bp->b_mount == mp); - bp->b_mount = mp; + ASSERT(bp->b_target->bt_mount == mp); XFS_BUF_SET_IODONE_FUNC(bp, xlog_recover_iodone); xfs_bdwrite(mp, bp); |