forked from Minki/linux
4560e78f40
Instead we submit the discard requests and use another workqueue to release the extents from the extent busy list. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/*
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* Copyright (c) 2000-2005 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_SUPER_H__
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#define __XFS_SUPER_H__
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#include <linux/exportfs.h>
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#ifdef CONFIG_XFS_QUOTA
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extern int xfs_qm_init(void);
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extern void xfs_qm_exit(void);
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#else
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# define xfs_qm_init() (0)
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# define xfs_qm_exit() do { } while (0)
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#endif
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#ifdef CONFIG_XFS_POSIX_ACL
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# define XFS_ACL_STRING "ACLs, "
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# define set_posix_acl_flag(sb) ((sb)->s_flags |= MS_POSIXACL)
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#else
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# define XFS_ACL_STRING
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# define set_posix_acl_flag(sb) do { } while (0)
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#endif
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#define XFS_SECURITY_STRING "security attributes, "
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#ifdef CONFIG_XFS_RT
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# define XFS_REALTIME_STRING "realtime, "
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#else
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# define XFS_REALTIME_STRING
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#endif
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#ifdef DEBUG
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# define XFS_DBG_STRING "debug"
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#else
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# define XFS_DBG_STRING "no debug"
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#endif
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#define XFS_VERSION_STRING "SGI XFS"
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#define XFS_BUILD_OPTIONS XFS_ACL_STRING \
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XFS_SECURITY_STRING \
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XFS_REALTIME_STRING \
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XFS_DBG_STRING /* DBG must be last */
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struct xfs_inode;
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struct xfs_mount;
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struct xfs_buftarg;
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struct block_device;
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extern void xfs_quiesce_attr(struct xfs_mount *mp);
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extern void xfs_flush_inodes(struct xfs_mount *mp);
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extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
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extern xfs_agnumber_t xfs_set_inode_alloc(struct xfs_mount *,
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xfs_agnumber_t agcount);
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extern const struct export_operations xfs_export_operations;
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extern const struct xattr_handler *xfs_xattr_handlers[];
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extern const struct quotactl_ops xfs_quotactl_operations;
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extern void xfs_reinit_percpu_counters(struct xfs_mount *mp);
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extern struct workqueue_struct *xfs_discard_wq;
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#define XFS_M(sb) ((struct xfs_mount *)((sb)->s_fs_info))
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#endif /* __XFS_SUPER_H__ */
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