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-rw-r--r--fs/xfs/libxfs/xfs_format.h9
-rw-r--r--fs/xfs/libxfs/xfs_ialloc.c21
-rw-r--r--fs/xfs/libxfs/xfs_trans_resv.c6
3 files changed, 25 insertions, 11 deletions
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index 0e831f04725c..5729474e362f 100644
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -1698,11 +1698,16 @@ struct xfs_ino_geometry {
/* Maximum inode count in this filesystem. */
uint64_t maxicount;
+ /* Actual inode cluster buffer size, in bytes. */
+ unsigned int inode_cluster_size;
+
/*
* Desired inode cluster buffer size, in bytes. This value is not
- * rounded up to at least one filesystem block.
+ * rounded up to at least one filesystem block, which is necessary for
+ * the sole purpose of validating sb_spino_align. Runtime code must
+ * only ever use inode_cluster_size.
*/
- unsigned int inode_cluster_size;
+ unsigned int inode_cluster_size_raw;
/* Inode cluster sizes, adjusted to be at least 1 fsb. */
unsigned int inodes_per_cluster;
diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
index fdfcc03a35b9..0f5ff2a4b0b8 100644
--- a/fs/xfs/libxfs/xfs_ialloc.c
+++ b/fs/xfs/libxfs/xfs_ialloc.c
@@ -2805,21 +2805,32 @@ xfs_ialloc_setup_geometry(
igeo->maxicount = 0;
}
- igeo->inode_cluster_size = XFS_INODE_BIG_CLUSTER_SIZE;
+ /*
+ * Compute the desired size of an inode cluster buffer size, which
+ * starts at 8K and (on v5 filesystems) scales up with larger inode
+ * sizes.
+ *
+ * Preserve the desired inode cluster size because the sparse inodes
+ * feature uses that desired size (not the actual size) to compute the
+ * sparse inode alignment. The mount code validates this value, so we
+ * cannot change the behavior.
+ */
+ igeo->inode_cluster_size_raw = XFS_INODE_BIG_CLUSTER_SIZE;
if (xfs_sb_version_hascrc(&mp->m_sb)) {
- int new_size = igeo->inode_cluster_size;
+ int new_size = igeo->inode_cluster_size_raw;
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->inode_cluster_size_raw = new_size;
}
/* Calculate inode cluster ratios. */
- if (igeo->inode_cluster_size > mp->m_sb.sb_blocksize)
+ if (igeo->inode_cluster_size_raw > mp->m_sb.sb_blocksize)
igeo->blocks_per_cluster = XFS_B_TO_FSBT(mp,
- igeo->inode_cluster_size);
+ igeo->inode_cluster_size_raw);
else
igeo->blocks_per_cluster = 1;
+ igeo->inode_cluster_size = XFS_FSB_TO_B(mp, igeo->blocks_per_cluster);
igeo->inodes_per_cluster = XFS_FSB_TO_INO(mp, igeo->blocks_per_cluster);
/* Calculate inode cluster alignment. */
diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c
index 2663dd7975a5..9d1326d14af9 100644
--- a/fs/xfs/libxfs/xfs_trans_resv.c
+++ b/fs/xfs/libxfs/xfs_trans_resv.c
@@ -308,8 +308,7 @@ xfs_calc_iunlink_remove_reservation(
struct xfs_mount *mp)
{
return xfs_calc_buf_res(1, mp->m_sb.sb_sectsize) +
- 2 * max_t(uint, XFS_FSB_TO_B(mp, 1),
- M_IGEO(mp)->inode_cluster_size);
+ 2 * M_IGEO(mp)->inode_cluster_size;
}
/*
@@ -347,8 +346,7 @@ STATIC uint
xfs_calc_iunlink_add_reservation(xfs_mount_t *mp)
{
return xfs_calc_buf_res(1, mp->m_sb.sb_sectsize) +
- max_t(uint, XFS_FSB_TO_B(mp, 1),
- M_IGEO(mp)->inode_cluster_size);
+ M_IGEO(mp)->inode_cluster_size;
}
/*