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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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579b62faa5
Create a new mount workqueue and delayed_work to enable background scanning and freeing of eofblocks inodes. The scanner kicks in once speculative preallocation occurs and stops requeueing itself when no eofblocks inodes exist. The scan interval is based on the new 'speculative_prealloc_lifetime' tunable (default to 5m). The background scanner performs unfiltered, best effort scans (which skips inodes under lock contention or with a dirty cache mapping). Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Ben Myers <bpm@sgi.com>
54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
/*
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* Copyright (c) 2000-2006 Silicon Graphics, Inc.
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* All Rights Reserved.
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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 as
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* published by the Free Software Foundation.
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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_SYNC_H
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#define XFS_SYNC_H 1
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struct xfs_mount;
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struct xfs_perag;
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#define SYNC_WAIT 0x0001 /* wait for i/o to complete */
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#define SYNC_TRYLOCK 0x0002 /* only try to lock inodes */
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int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
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uint flags, uint lock_flags, xfs_inode_t **ipp);
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void xfs_reclaim_worker(struct work_struct *work);
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int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
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int xfs_reclaim_inodes_count(struct xfs_mount *mp);
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void xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
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void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
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void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
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void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
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int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *);
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void xfs_eofblocks_worker(struct work_struct *);
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int xfs_sync_inode_grab(struct xfs_inode *ip);
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int xfs_inode_ag_iterator(struct xfs_mount *mp,
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int (*execute)(struct xfs_inode *ip, struct xfs_perag *pag,
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int flags, void *args),
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int flags, void *args);
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int xfs_inode_ag_iterator_tag(struct xfs_mount *mp,
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int (*execute)(struct xfs_inode *ip, struct xfs_perag *pag,
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int flags, void *args),
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int flags, void *args, int tag);
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#endif
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