diff options
Diffstat (limited to 'fs/xfs/xfs_mount.h')
| -rw-r--r-- | fs/xfs/xfs_mount.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index b3554893f388..ee1c3eb53d9f 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -119,6 +119,7 @@ typedef struct xfs_mount { struct super_block *m_super; struct xfs_ail *m_ail; /* fs active log item list */ struct xfs_buf *m_sb_bp; /* buffer for superblock */ + struct xfs_buf *m_rtsb_bp; /* realtime superblock */ char *m_rtname; /* realtime device name */ char *m_logname; /* external log device name */ struct xfs_da_geometry *m_dir_geo; /* directory block geometry */ @@ -146,10 +147,11 @@ typedef struct xfs_mount { uint8_t m_agno_log; /* log #ag's */ uint8_t m_sectbb_log; /* sectlog - BBSHIFT */ int8_t m_rtxblklog; /* log2 of rextsize, if possible */ - int8_t m_rgblklog; /* log2 of rt group sz if possible */ + uint m_blockmask; /* sb_blocksize-1 */ uint m_blockwsize; /* sb_blocksize in words */ - uint m_blockwmask; /* blockwsize-1 */ + /* number of rt extents per rt bitmap block if rtgroups enabled */ + unsigned int m_rtx_per_rbmblock; uint m_alloc_mxr[2]; /* max alloc btree records */ uint m_alloc_mnr[2]; /* min alloc btree records */ uint m_bmap_dmxr[2]; /* max bmap btree records */ @@ -175,14 +177,12 @@ typedef struct xfs_mount { int m_logbsize; /* size of each log buffer */ unsigned int m_rsumlevels; /* rt summary levels */ xfs_filblks_t m_rsumblocks; /* size of rt summary, FSBs */ - uint32_t m_rgblocks; /* size of rtgroup in rtblocks */ int m_fixedfsid[2]; /* unchanged for life of FS */ uint m_qflags; /* quota status flags */ uint64_t m_features; /* active filesystem features */ uint64_t m_low_space[XFS_LOWSP_MAX]; uint64_t m_low_rtexts[XFS_LOWSP_MAX]; uint64_t m_rtxblkmask; /* rt extent block mask */ - uint64_t m_rgblkmask; /* rt group block mask */ struct xfs_ino_geometry m_ino_geo; /* inode geometry */ struct xfs_trans_resv m_resv; /* precomputed res values */ /* low free space thresholds */ @@ -253,6 +253,7 @@ typedef struct xfs_mount { #endif xfs_agnumber_t m_agfrotor; /* last ag where space found */ atomic_t m_agirotor; /* last ag dir inode alloced */ + atomic_t m_rtgrotor; /* last rtgroup rtpicked */ /* Memory shrinker to throttle and reprioritize inodegc */ struct shrinker *m_inodegc_shrinker; @@ -387,12 +388,14 @@ __XFS_HAS_FEAT(metadir, METADIR) static inline bool xfs_has_rtgroups(struct xfs_mount *mp) { - return false; + /* all metadir file systems also allow rtgroups */ + return xfs_has_metadir(mp); } static inline bool xfs_has_rtsb(struct xfs_mount *mp) { - return false; + /* all rtgroups filesystems with an rt section have an rtsb */ + return xfs_has_rtgroups(mp) && xfs_has_realtime(mp); } /* |