unsigned int cpu;
};
+/*
+ * Container for each type of groups, used to look up individual groups and
+ * describes the geometry.
+ */
+struct xfs_groups {
+ struct xarray xa;
+
+ /*
+ * Maximum capacity of the group in FSBs.
+ *
+ * Each group is laid out densely in the daddr space. For the
+ * degenerate case of a pre-rtgroups filesystem, the incore rtgroup
+ * pretends to have a zero-block and zero-blklog rtgroup.
+ */
+ uint32_t blocks;
+
+ /*
+ * Log(2) of the logical size of each group.
+ *
+ * Compared to the blocks field above this is rounded up to the next
+ * power of two, and thus lays out the xfs_fsblock_t/xfs_rtblock_t
+ * space sparsely with a hole from blocks to (1 << blklog) at the end
+ * of each group.
+ */
+ uint8_t blklog;
+
+ /*
+ * Mask to extract the group-relative block number from a FSB.
+ * For a pre-rtgroups filesystem we pretend to have one very large
+ * rtgroup, so this mask must be 64-bit.
+ */
+ uint64_t blkmask;
+};
+
/*
* The struct xfsmount layout is optimised to separate read-mostly variables
* from variables that are frequently modified. We put the read-mostly variables
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 */
struct xfs_da_geometry *m_attr_geo; /* attribute block geometry */
struct xlog *m_log; /* log specific stuff */
- struct xfs_inode *m_rbmip; /* pointer to bitmap inode */
- struct xfs_inode *m_rsumip; /* pointer to summary inode */
struct xfs_inode *m_rootip; /* pointer to root directory */
+ struct xfs_inode *m_metadirip; /* ptr to metadata directory */
+ struct xfs_inode *m_rtdirip; /* ptr to realtime metadir */
struct xfs_quotainfo *m_quotainfo; /* disk quota information */
struct xfs_buftarg *m_ddev_targp; /* data device */
struct xfs_buftarg *m_logdev_targp;/* log device */
struct xfs_buftarg *m_rtdev_targp; /* rt device */
void __percpu *m_inodegc; /* percpu inodegc structures */
-
- /*
- * Optional cache of rt summary level per bitmap block with the
- * invariant that m_rsum_cache[bbno] > the maximum i for which
- * rsum[i][bbno] != 0, or 0 if rsum[i][bbno] == 0 for all i.
- * Reads and writes are serialized by the rsumip inode lock.
- */
- uint8_t *m_rsum_cache;
struct xfs_mru_cache *m_filestream; /* per-mount filestream data */
struct workqueue_struct *m_buf_workqueue;
struct workqueue_struct *m_unwritten_workqueue;
uint8_t m_agno_log; /* log #ag's */
uint8_t m_sectbb_log; /* sectlog - BBSHIFT */
int8_t m_rtxblklog; /* log2 of rextsize, 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 */
uint m_allocsize_blocks; /* min write size blocks */
int m_logbufs; /* number of log buffers */
int m_logbsize; /* size of each log buffer */
- uint m_rsumlevels; /* rt summary levels */
+ unsigned int m_rsumlevels; /* rt summary levels */
xfs_filblks_t m_rsumblocks; /* size of rt summary, FSBs */
int m_fixedfsid[2]; /* unchanged for life of FS */
uint m_qflags; /* quota status flags */
*/
atomic64_t m_allocbt_blks;
- struct xarray m_perags; /* per-ag accounting info */
+ struct xfs_groups m_groups[XG_TYPE_MAX];
uint64_t m_resblks; /* total reserved blocks */
uint64_t m_resblks_avail;/* available reserved blocks */
uint64_t m_resblks_save; /* reserved blks @ remount,ro */
#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;
#define XFS_FEAT_NEEDSREPAIR (1ULL << 25) /* needs xfs_repair */
#define XFS_FEAT_NREXT64 (1ULL << 26) /* large extent counters */
#define XFS_FEAT_EXCHANGE_RANGE (1ULL << 27) /* exchange range */
+#define XFS_FEAT_METADIR (1ULL << 28) /* metadata directory tree */
/* Mount features */
#define XFS_FEAT_NOATTR2 (1ULL << 48) /* disable attr2 creation */
__XFS_HAS_FEAT(needsrepair, NEEDSREPAIR)
__XFS_HAS_FEAT(large_extent_counts, NREXT64)
__XFS_HAS_FEAT(exchange_range, EXCHANGE_RANGE)
+__XFS_HAS_FEAT(metadir, METADIR)
+
+static inline bool xfs_has_rtgroups(struct xfs_mount *mp)
+{
+ /* all metadir file systems also allow rtgroups */
+ return xfs_has_metadir(mp);
+}
+
+static inline bool xfs_has_rtsb(struct xfs_mount *mp)
+{
+ /* all rtgroups filesystems with an rt section have an rtsb */
+ return xfs_has_rtgroups(mp) && xfs_has_realtime(mp);
+}
/*
* Some features are always on for v5 file systems, allow the compiler to
*/
#define XFS_OPSTATE_BLOCKGC_ENABLED 6
+/* Kernel has logged a warning about pNFS being used on this fs. */
+#define XFS_OPSTATE_WARNED_PNFS 7
/* Kernel has logged a warning about online fsck being used on this fs. */
-#define XFS_OPSTATE_WARNED_SCRUB 7
+#define XFS_OPSTATE_WARNED_SCRUB 8
/* Kernel has logged a warning about shrink being used on this fs. */
-#define XFS_OPSTATE_WARNED_SHRINK 8
+#define XFS_OPSTATE_WARNED_SHRINK 9
/* Kernel has logged a warning about logged xattr updates being used. */
-#define XFS_OPSTATE_WARNED_LARP 9
+#define XFS_OPSTATE_WARNED_LARP 10
/* Mount time quotacheck is running */
-#define XFS_OPSTATE_QUOTACHECK_RUNNING 10
+#define XFS_OPSTATE_QUOTACHECK_RUNNING 11
/* Do we want to clear log incompat flags? */
-#define XFS_OPSTATE_UNSET_LOG_INCOMPAT 11
+#define XFS_OPSTATE_UNSET_LOG_INCOMPAT 12
/* Filesystem can use logged extended attributes */
-#define XFS_OPSTATE_USE_LARP 12
+#define XFS_OPSTATE_USE_LARP 13
+/* Kernel has logged a warning about blocksize > pagesize on this fs. */
+#define XFS_OPSTATE_WARNED_LBS 14
+/* Kernel has logged a warning about exchange-range being used on this fs. */
+#define XFS_OPSTATE_WARNED_EXCHRANGE 15
+/* Kernel has logged a warning about parent pointers being used on this fs. */
+#define XFS_OPSTATE_WARNED_PPTR 16
+/* Kernel has logged a warning about metadata dirs being used on this fs. */
+#define XFS_OPSTATE_WARNED_METADIR 17
+/* Filesystem should use qflags to determine quotaon status */
+#define XFS_OPSTATE_RESUMING_QUOTAON 18
#define __XFS_IS_OPSTATE(name, NAME) \
static inline bool xfs_is_ ## name (struct xfs_mount *mp) \
__XFS_IS_OPSTATE(blockgc_enabled, BLOCKGC_ENABLED)
#ifdef CONFIG_XFS_QUOTA
__XFS_IS_OPSTATE(quotacheck_running, QUOTACHECK_RUNNING)
+__XFS_IS_OPSTATE(resuming_quotaon, RESUMING_QUOTAON)
#else
-# define xfs_is_quotacheck_running(mp) (false)
-#endif
+static inline bool xfs_is_quotacheck_running(struct xfs_mount *mp)
+{
+ return false;
+}
+static inline bool xfs_is_resuming_quotaon(struct xfs_mount *mp)
+{
+ return false;
+}
+static inline void xfs_set_resuming_quotaon(struct xfs_mount *m)
+{
+}
+static inline bool xfs_clear_resuming_quotaon(struct xfs_mount *mp)
+{
+ return false;
+}
+#endif /* CONFIG_XFS_QUOTA */
__XFS_IS_OPSTATE(done_with_log_incompat, UNSET_LOG_INCOMPAT)
__XFS_IS_OPSTATE(using_logged_xattrs, USE_LARP)
projects / linux.git / blobdiff