#include "xfs_log.h"
#include "xfs_rmap.h"
-
-/*
- * Allocation group level functions.
- */
-int
-xfs_ialloc_cluster_alignment(
- struct xfs_mount *mp)
-{
- if (xfs_sb_version_hasalign(&mp->m_sb) &&
- mp->m_sb.sb_inoalignmt >= xfs_icluster_size_fsb(mp))
- return mp->m_sb.sb_inoalignmt;
- return 1;
-}
-
/*
* Lookup a record by ino in the btree given by cur.
*/
return 0;
}
-/*
- * Compute and fill in value of m_ino_geo.inobt_maxlevels.
- */
-void
-xfs_ialloc_compute_maxlevels(
- xfs_mount_t *mp) /* file system mount structure */
-{
- uint inodes;
-
- inodes = (1LL << XFS_INO_AGINO_BITS(mp)) >> XFS_INODES_PER_CHUNK_LOG;
- M_IGEO(mp)->inobt_maxlevels = xfs_btree_compute_maxlevels(
- M_IGEO(mp)->inobt_mnr, inodes);
-}
-
/*
* Log specified fields for the ag hdr (inode section). The growth of the agi
* structure over time requires that we interpret the buffer as two logical
*freecount = ci.freecount;
return 0;
}
+
+/*
+ * Initialize inode-related geometry information.
+ *
+ * Compute the inode btree min and max levels and set maxicount.
+ *
+ * Set the inode cluster size. This may still be overridden by the file
+ * system block size if it is larger than the chosen cluster size.
+ *
+ * For v5 filesystems, scale the cluster size with the inode size to keep a
+ * constant ratio of inode per cluster buffer, but only if mkfs has set the
+ * inode alignment value appropriately for larger cluster sizes.
+ *
+ * Then compute the inode cluster alignment information.
+ */
+void
+xfs_ialloc_setup_geometry(
+ struct xfs_mount *mp)
+{
+ struct xfs_sb *sbp = &mp->m_sb;
+ struct xfs_ino_geometry *igeo = M_IGEO(mp);
+ uint64_t icount;
+ uint inodes;
+
+ /* Compute inode btree geometry. */
+ igeo->agino_log = sbp->sb_inopblog + sbp->sb_agblklog;
+ igeo->inobt_mxr[0] = xfs_inobt_maxrecs(mp, sbp->sb_blocksize, 1);
+ igeo->inobt_mxr[1] = xfs_inobt_maxrecs(mp, sbp->sb_blocksize, 0);
+ igeo->inobt_mnr[0] = igeo->inobt_mxr[0] / 2;
+ igeo->inobt_mnr[1] = igeo->inobt_mxr[1] / 2;
+
+ igeo->ialloc_inos = max_t(uint16_t, XFS_INODES_PER_CHUNK,
+ sbp->sb_inopblock);
+ igeo->ialloc_blks = igeo->ialloc_inos >> sbp->sb_inopblog;
+
+ if (sbp->sb_spino_align)
+ igeo->ialloc_min_blks = sbp->sb_spino_align;
+ else
+ igeo->ialloc_min_blks = igeo->ialloc_blks;
+
+ /* Compute and fill in value of m_ino_geo.inobt_maxlevels. */
+ inodes = (1LL << XFS_INO_AGINO_BITS(mp)) >> XFS_INODES_PER_CHUNK_LOG;
+ igeo->inobt_maxlevels = xfs_btree_compute_maxlevels(igeo->inobt_mnr,
+ inodes);
+
+ /* Set the maximum inode count for this filesystem. */
+ if (sbp->sb_imax_pct) {
+ /*
+ * Make sure the maximum inode count is a multiple
+ * of the units we allocate inodes in.
+ */
+ icount = sbp->sb_dblocks * sbp->sb_imax_pct;
+ do_div(icount, 100);
+ do_div(icount, igeo->ialloc_blks);
+ igeo->maxicount = XFS_FSB_TO_INO(mp,
+ icount * igeo->ialloc_blks);
+ } else {
+ igeo->maxicount = 0;
+ }
+
+ igeo->inode_cluster_size = XFS_INODE_BIG_CLUSTER_SIZE;
+ if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ int new_size = igeo->inode_cluster_size;
+
+ new_size *= mp->m_sb.sb_inodesize / XFS_DINODE_MIN_SIZE;
+ if (mp->m_sb.sb_inoalignmt >= XFS_B_TO_FSBT(mp, new_size))
+ igeo->inode_cluster_size = new_size;
+ }
+
+ /* Calculate inode cluster ratios. */
+ if (igeo->inode_cluster_size > mp->m_sb.sb_blocksize)
+ igeo->blocks_per_cluster = XFS_B_TO_FSBT(mp,
+ igeo->inode_cluster_size);
+ else
+ igeo->blocks_per_cluster = 1;
+ igeo->inodes_per_cluster = XFS_FSB_TO_INO(mp, igeo->blocks_per_cluster);
+
+ /* Calculate inode cluster alignment. */
+ if (xfs_sb_version_hasalign(&mp->m_sb) &&
+ mp->m_sb.sb_inoalignmt >= igeo->blocks_per_cluster)
+ igeo->cluster_align = mp->m_sb.sb_inoalignmt;
+ else
+ igeo->cluster_align = 1;
+ igeo->inoalign_mask = igeo->cluster_align - 1;
+ igeo->cluster_align_inodes = XFS_FSB_TO_INO(mp, igeo->cluster_align);
+
+ /*
+ * If we are using stripe alignment, check whether
+ * the stripe unit is a multiple of the inode alignment
+ */
+ if (mp->m_dalign && igeo->inoalign_mask &&
+ !(mp->m_dalign & igeo->inoalign_mask))
+ igeo->ialloc_align = mp->m_dalign;
+ else
+ igeo->ialloc_align = 0;
+}
* sparse chunks */
};
-/* Calculate and return the number of filesystem blocks per inode cluster */
-static inline int
-xfs_icluster_size_fsb(
- struct xfs_mount *mp)
-{
- if (mp->m_sb.sb_blocksize >= M_IGEO(mp)->inode_cluster_size)
- return 1;
- return M_IGEO(mp)->inode_cluster_size >> mp->m_sb.sb_blocklog;
-}
-
/*
* Make an inode pointer out of the buffer/offset.
*/
struct xfs_imap *imap, /* location map structure */
uint flags); /* flags for inode btree lookup */
-/*
- * Compute and fill in value of m_ino_geo.inobt_maxlevels.
- */
-void
-xfs_ialloc_compute_maxlevels(
- struct xfs_mount *mp); /* file system mount structure */
-
/*
* Log specified fields for the ag hdr (inode section)
*/
int *stat);
int xfs_ialloc_cluster_alignment(struct xfs_mount *mp);
+void xfs_ialloc_setup_geometry(struct xfs_mount *mp);
#endif /* __XFS_IALLOC_H__ */
*
* Mount initialization code establishing various mount
* fields from the superblock associated with the given
- * mount structure
+ * mount structure.
+ *
+ * Inode geometry are calculated in xfs_ialloc_setup_geometry.
*/
void
xfs_sb_mount_common(
struct xfs_mount *mp,
struct xfs_sb *sbp)
{
- struct xfs_ino_geometry *igeo = M_IGEO(mp);
-
mp->m_agfrotor = mp->m_agirotor = 0;
mp->m_maxagi = mp->m_sb.sb_agcount;
mp->m_blkbit_log = sbp->sb_blocklog + XFS_NBBYLOG;
mp->m_blkbb_log = sbp->sb_blocklog - BBSHIFT;
mp->m_sectbb_log = sbp->sb_sectlog - BBSHIFT;
mp->m_agno_log = xfs_highbit32(sbp->sb_agcount - 1) + 1;
- igeo->agino_log = sbp->sb_inopblog + sbp->sb_agblklog;
mp->m_blockmask = sbp->sb_blocksize - 1;
mp->m_blockwsize = sbp->sb_blocksize >> XFS_WORDLOG;
mp->m_blockwmask = mp->m_blockwsize - 1;
mp->m_alloc_mnr[0] = mp->m_alloc_mxr[0] / 2;
mp->m_alloc_mnr[1] = mp->m_alloc_mxr[1] / 2;
- igeo->inobt_mxr[0] = xfs_inobt_maxrecs(mp, sbp->sb_blocksize, 1);
- igeo->inobt_mxr[1] = xfs_inobt_maxrecs(mp, sbp->sb_blocksize, 0);
- igeo->inobt_mnr[0] = igeo->inobt_mxr[0] / 2;
- igeo->inobt_mnr[1] = igeo->inobt_mxr[1] / 2;
-
mp->m_bmap_dmxr[0] = xfs_bmbt_maxrecs(mp, sbp->sb_blocksize, 1);
mp->m_bmap_dmxr[1] = xfs_bmbt_maxrecs(mp, sbp->sb_blocksize, 0);
mp->m_bmap_dmnr[0] = mp->m_bmap_dmxr[0] / 2;
mp->m_refc_mnr[1] = mp->m_refc_mxr[1] / 2;
mp->m_bsize = XFS_FSB_TO_BB(mp, 1);
- igeo->ialloc_inos = max_t(uint16_t, XFS_INODES_PER_CHUNK,
- sbp->sb_inopblock);
- igeo->ialloc_blks = igeo->ialloc_inos >> sbp->sb_inopblog;
-
- if (sbp->sb_spino_align)
- igeo->ialloc_min_blks = sbp->sb_spino_align;
- else
- igeo->ialloc_min_blks = igeo->ialloc_blks;
mp->m_alloc_set_aside = xfs_alloc_set_aside(mp);
mp->m_ag_max_usable = xfs_alloc_ag_max_usable(mp);
}
return 0;
}
-/*
- * Set the maximum inode count for this filesystem
- */
-STATIC void
-xfs_set_maxicount(
- struct xfs_mount *mp)
-{
- struct xfs_sb *sbp = &(mp->m_sb);
- struct xfs_ino_geometry *igeo = M_IGEO(mp);
- uint64_t icount;
-
- if (sbp->sb_imax_pct) {
- /*
- * Make sure the maximum inode count is a multiple
- * of the units we allocate inodes in.
- */
- icount = sbp->sb_dblocks * sbp->sb_imax_pct;
- do_div(icount, 100);
- do_div(icount, igeo->ialloc_blks);
- igeo->maxicount = XFS_FSB_TO_INO(mp,
- icount * igeo->ialloc_blks);
- } else {
- igeo->maxicount = 0;
- }
-}
-
/*
* Set the default minimum read and write sizes unless
* already specified in a mount option.
}
}
-
-/*
- * Set whether we're using inode alignment.
- */
-STATIC void
-xfs_set_inoalignment(xfs_mount_t *mp)
-{
- if (xfs_sb_version_hasalign(&mp->m_sb) &&
- mp->m_sb.sb_inoalignmt >= xfs_icluster_size_fsb(mp))
- M_IGEO(mp)->inoalign_mask = mp->m_sb.sb_inoalignmt - 1;
- else
- M_IGEO(mp)->inoalign_mask = 0;
- /*
- * If we are using stripe alignment, check whether
- * the stripe unit is a multiple of the inode alignment
- */
- if (mp->m_dalign && M_IGEO(mp)->inoalign_mask &&
- !(mp->m_dalign & M_IGEO(mp)->inoalign_mask))
- M_IGEO(mp)->ialloc_align = mp->m_dalign;
- else
- M_IGEO(mp)->ialloc_align = 0;
-}
-
/*
* Check that the data (and log if separate) is an ok size.
*/
xfs_alloc_compute_maxlevels(mp);
xfs_bmap_compute_maxlevels(mp, XFS_DATA_FORK);
xfs_bmap_compute_maxlevels(mp, XFS_ATTR_FORK);
- xfs_ialloc_compute_maxlevels(mp);
+ xfs_ialloc_setup_geometry(mp);
xfs_rmapbt_compute_maxlevels(mp);
xfs_refcountbt_compute_maxlevels(mp);
- xfs_set_maxicount(mp);
-
/* enable fail_at_unmount as default */
mp->m_fail_unmount = true;
/* set the low space thresholds for dynamic preallocation */
xfs_set_low_space_thresholds(mp);
- /*
- * Set the inode cluster size.
- * This may still be overridden by the file system
- * block size if it is larger than the chosen cluster size.
- *
- * For v5 filesystems, scale the cluster size with the inode size to
- * keep a constant ratio of inode per cluster buffer, but only if mkfs
- * has set the inode alignment value appropriately for larger cluster
- * sizes.
- */
- igeo->inode_cluster_size = XFS_INODE_BIG_CLUSTER_SIZE;
- if (xfs_sb_version_hascrc(&mp->m_sb)) {
- int new_size = igeo->inode_cluster_size;
-
- new_size *= mp->m_sb.sb_inodesize / XFS_DINODE_MIN_SIZE;
- if (mp->m_sb.sb_inoalignmt >= XFS_B_TO_FSBT(mp, new_size))
- igeo->inode_cluster_size = new_size;
- }
- igeo->blocks_per_cluster = xfs_icluster_size_fsb(mp);
- igeo->inodes_per_cluster = XFS_FSB_TO_INO(mp,
- igeo->blocks_per_cluster);
- igeo->cluster_align = xfs_ialloc_cluster_alignment(mp);
- igeo->cluster_align_inodes = XFS_FSB_TO_INO(mp,
- igeo->cluster_align);
-
/*
* If enabled, sparse inode chunk alignment is expected to match the
* cluster size. Full inode chunk alignment must match the chunk size,
goto out_remove_uuid;
}
- /*
- * Set inode alignment fields
- */
- xfs_set_inoalignment(mp);
-
/*
* Check that the data (and log if separate) is an ok size.
*/
projects / mirror_ubuntu-focal-kernel.git / commitdiff