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Linux/fs/xfs/xfs_super.h

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  1 // SPDX-License-Identifier: GPL-2.0
  2 /*
  3  * Copyright (c) 2000-2005 Silicon Graphics, Inc.
  4  * All Rights Reserved.
  5  */
  6 #ifndef __XFS_SUPER_H__
  7 #define __XFS_SUPER_H__
  8 
  9 #include <linux/exportfs.h>
 10 
 11 #ifdef CONFIG_XFS_QUOTA
 12 extern int xfs_qm_init(void);
 13 extern void xfs_qm_exit(void);
 14 #else
 15 # define xfs_qm_init()  (0)
 16 # define xfs_qm_exit()  do { } while (0)
 17 #endif
 18 
 19 #ifdef CONFIG_XFS_POSIX_ACL
 20 # define XFS_ACL_STRING         "ACLs, "
 21 # define set_posix_acl_flag(sb) ((sb)->s_flags |= SB_POSIXACL)
 22 #else
 23 # define XFS_ACL_STRING
 24 # define set_posix_acl_flag(sb) do { } while (0)
 25 #endif
 26 
 27 #define XFS_SECURITY_STRING     "security attributes, "
 28 
 29 #ifdef CONFIG_XFS_RT
 30 # define XFS_REALTIME_STRING    "realtime, "
 31 #else
 32 # define XFS_REALTIME_STRING
 33 #endif
 34 
 35 #ifdef CONFIG_XFS_ONLINE_SCRUB
 36 # define XFS_SCRUB_STRING       "scrub, "
 37 #else
 38 # define XFS_SCRUB_STRING
 39 #endif
 40 
 41 #ifdef DEBUG
 42 # define XFS_DBG_STRING         "debug"
 43 #else
 44 # define XFS_DBG_STRING         "no debug"
 45 #endif
 46 
 47 #define XFS_VERSION_STRING      "SGI XFS"
 48 #define XFS_BUILD_OPTIONS       XFS_ACL_STRING \
 49                                 XFS_SECURITY_STRING \
 50                                 XFS_REALTIME_STRING \
 51                                 XFS_SCRUB_STRING \
 52                                 XFS_DBG_STRING /* DBG must be last */
 53 
 54 struct xfs_inode;
 55 struct xfs_mount;
 56 struct xfs_buftarg;
 57 struct block_device;
 58 
 59 extern void xfs_quiesce_attr(struct xfs_mount *mp);
 60 extern void xfs_flush_inodes(struct xfs_mount *mp);
 61 extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
 62 extern xfs_agnumber_t xfs_set_inode_alloc(struct xfs_mount *,
 63                                            xfs_agnumber_t agcount);
 64 
 65 extern const struct export_operations xfs_export_operations;
 66 extern const struct xattr_handler *xfs_xattr_handlers[];
 67 extern const struct quotactl_ops xfs_quotactl_operations;
 68 
 69 extern void xfs_reinit_percpu_counters(struct xfs_mount *mp);
 70 
 71 extern struct workqueue_struct *xfs_discard_wq;
 72 
 73 #define XFS_M(sb)               ((struct xfs_mount *)((sb)->s_fs_info))
 74 
 75 #endif  /* __XFS_SUPER_H__ */
 76 

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