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-rw-r--r--fs/xfs/xfs_mount.c15
-rw-r--r--fs/xfs/xfs_mount.h2
-rw-r--r--fs/xfs/xfs_trans_resv.c3
3 files changed, 17 insertions, 3 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index da88f167af78..02df7b408a26 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -41,6 +41,7 @@
#include "xfs_fsops.h"
#include "xfs_trace.h"
#include "xfs_icache.h"
+#include "xfs_dinode.h"
#ifdef HAVE_PERCPU_SB
@@ -718,8 +719,22 @@ xfs_mountfs(
* 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.
*/
mp->m_inode_cluster_size = XFS_INODE_BIG_CLUSTER_SIZE;
+ if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ int new_size = mp->m_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))
+ mp->m_inode_cluster_size = new_size;
+ xfs_info(mp, "Using inode cluster size of %d bytes",
+ mp->m_inode_cluster_size);
+ }
/*
* Set inode alignment fields
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 1d8101a10d8e..a466c5e5826e 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -112,7 +112,7 @@ typedef struct xfs_mount {
__uint8_t m_blkbb_log; /* blocklog - BBSHIFT */
__uint8_t m_agno_log; /* log #ag's */
__uint8_t m_agino_log; /* #bits for agino in inum */
- __uint16_t m_inode_cluster_size;/* min inode buf size */
+ uint m_inode_cluster_size;/* min inode buf size */
uint m_blockmask; /* sb_blocksize-1 */
uint m_blockwsize; /* sb_blocksize in words */
uint m_blockwmask; /* blockwsize-1 */
diff --git a/fs/xfs/xfs_trans_resv.c b/fs/xfs/xfs_trans_resv.c
index d53d9f0627a7..2fd59c0dae66 100644
--- a/fs/xfs/xfs_trans_resv.c
+++ b/fs/xfs/xfs_trans_resv.c
@@ -385,8 +385,7 @@ xfs_calc_ifree_reservation(
xfs_calc_inode_res(mp, 1) +
xfs_calc_buf_res(2, mp->m_sb.sb_sectsize) +
xfs_calc_buf_res(1, XFS_FSB_TO_B(mp, 1)) +
- MAX((__uint16_t)XFS_FSB_TO_B(mp, 1),
- XFS_INODE_CLUSTER_SIZE(mp)) +
+ max_t(uint, XFS_FSB_TO_B(mp, 1), XFS_INODE_CLUSTER_SIZE(mp)) +
xfs_calc_buf_res(1, 0) +
xfs_calc_buf_res(2 + XFS_IALLOC_BLOCKS(mp) +
mp->m_in_maxlevels, 0) +