673930c34a
Originally-From: Dave Chinner <dchinner@redhat.com> Add the stubs into the extent allocation and freeing paths that the rmap btree implementation will hook into. While doing this, add the trace points that will be used to track rmap btree extent manipulations. [darrick.wong@oracle.com: Extend the stubs to take full owner info.] Signed-off-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
/*
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* Copyright (C) 2016 Oracle. All Rights Reserved.
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*
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* Author: Darrick J. Wong <darrick.wong@oracle.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __XFS_RMAP_H__
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#define __XFS_RMAP_H__
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static inline void
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xfs_rmap_ag_owner(
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struct xfs_owner_info *oi,
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uint64_t owner)
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{
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oi->oi_owner = owner;
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oi->oi_offset = 0;
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oi->oi_flags = 0;
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}
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static inline void
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xfs_rmap_ino_bmbt_owner(
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struct xfs_owner_info *oi,
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xfs_ino_t ino,
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int whichfork)
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{
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oi->oi_owner = ino;
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oi->oi_offset = 0;
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oi->oi_flags = XFS_OWNER_INFO_BMBT_BLOCK;
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if (whichfork == XFS_ATTR_FORK)
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oi->oi_flags |= XFS_OWNER_INFO_ATTR_FORK;
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}
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static inline void
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xfs_rmap_ino_owner(
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struct xfs_owner_info *oi,
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xfs_ino_t ino,
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int whichfork,
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xfs_fileoff_t offset)
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{
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oi->oi_owner = ino;
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oi->oi_offset = offset;
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oi->oi_flags = 0;
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if (whichfork == XFS_ATTR_FORK)
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oi->oi_flags |= XFS_OWNER_INFO_ATTR_FORK;
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}
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static inline void
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xfs_rmap_skip_owner_update(
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struct xfs_owner_info *oi)
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{
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oi->oi_owner = XFS_RMAP_OWN_UNKNOWN;
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}
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/* Reverse mapping functions. */
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struct xfs_buf;
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int xfs_rmap_alloc(struct xfs_trans *tp, struct xfs_buf *agbp,
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xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len,
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struct xfs_owner_info *oinfo);
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int xfs_rmap_free(struct xfs_trans *tp, struct xfs_buf *agbp,
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xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len,
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struct xfs_owner_info *oinfo);
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#endif /* __XFS_RMAP_H__ */
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