mirror of
https://github.com/torvalds/linux.git
synced 2024-11-24 21:21:41 +00:00
7195f240c6
Now that we've finished adding allocation groups to the realtime volume, let's make the file block mapping address (xfs_rtblock_t) a segmented value just like we do on the data device. This means that group number and block number conversions can be done with shifting and masking instead of integer division. While in theory we could continue caching the rgno shift value in m_rgblklog, the fact that we now always use the shift value means that we have an opportunity to increase the redundancy of the rt geometry by storing it in the ondisk superblock and adding more sb verifier code. Extend the sueprblock to store the rgblklog value. Now that we have segmented addresses, set the correct values in m_groups[XG_TYPE_RTG] so that the xfs_group helpers work correctly. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2000-2005 Silicon Graphics, Inc.
|
|
* All Rights Reserved.
|
|
*/
|
|
#ifndef __XFS_SB_H__
|
|
#define __XFS_SB_H__
|
|
|
|
struct xfs_mount;
|
|
struct xfs_sb;
|
|
struct xfs_dsb;
|
|
struct xfs_trans;
|
|
struct xfs_fsop_geom;
|
|
struct xfs_perag;
|
|
|
|
extern void xfs_log_sb(struct xfs_trans *tp);
|
|
extern int xfs_sync_sb(struct xfs_mount *mp, bool wait);
|
|
extern int xfs_sync_sb_buf(struct xfs_mount *mp, bool update_rtsb);
|
|
extern void xfs_sb_mount_common(struct xfs_mount *mp, struct xfs_sb *sbp);
|
|
void xfs_sb_mount_rextsize(struct xfs_mount *mp, struct xfs_sb *sbp);
|
|
void xfs_mount_sb_set_rextsize(struct xfs_mount *mp,
|
|
struct xfs_sb *sbp, xfs_agblock_t rextsize);
|
|
extern void xfs_sb_from_disk(struct xfs_sb *to, struct xfs_dsb *from);
|
|
extern void xfs_sb_to_disk(struct xfs_dsb *to, struct xfs_sb *from);
|
|
extern void xfs_sb_quota_from_disk(struct xfs_sb *sbp);
|
|
extern bool xfs_sb_good_version(struct xfs_sb *sbp);
|
|
extern uint64_t xfs_sb_version_to_features(struct xfs_sb *sbp);
|
|
|
|
extern int xfs_update_secondary_sbs(struct xfs_mount *mp);
|
|
|
|
#define XFS_FS_GEOM_MAX_STRUCT_VER (5)
|
|
extern void xfs_fs_geometry(struct xfs_mount *mp, struct xfs_fsop_geom *geo,
|
|
int struct_version);
|
|
extern int xfs_sb_read_secondary(struct xfs_mount *mp,
|
|
struct xfs_trans *tp, xfs_agnumber_t agno,
|
|
struct xfs_buf **bpp);
|
|
extern int xfs_sb_get_secondary(struct xfs_mount *mp,
|
|
struct xfs_trans *tp, xfs_agnumber_t agno,
|
|
struct xfs_buf **bpp);
|
|
|
|
bool xfs_validate_stripe_geometry(struct xfs_mount *mp,
|
|
__s64 sunit, __s64 swidth, int sectorsize, bool may_repair,
|
|
bool silent);
|
|
bool xfs_validate_rt_geometry(struct xfs_sb *sbp);
|
|
|
|
uint8_t xfs_compute_rextslog(xfs_rtbxlen_t rtextents);
|
|
int xfs_compute_rgblklog(xfs_rtxlen_t rgextents, xfs_rgblock_t rextsize);
|
|
|
|
#endif /* __XFS_SB_H__ */
|