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path: root/fs/xfs/xfs_trans_resv.c
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Diffstat (limited to 'fs/xfs/xfs_trans_resv.c')
-rw-r--r--fs/xfs/xfs_trans_resv.c95
1 files changed, 74 insertions, 21 deletions
diff --git a/fs/xfs/xfs_trans_resv.c b/fs/xfs/xfs_trans_resv.c
index 76f9a02bc36..f2bda7c76b8 100644
--- a/fs/xfs/xfs_trans_resv.c
+++ b/fs/xfs/xfs_trans_resv.c
@@ -26,6 +26,7 @@
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_da_format.h"
+#include "xfs_da_btree.h"
#include "xfs_inode.h"
#include "xfs_bmap_btree.h"
#include "xfs_ialloc.h"
@@ -81,20 +82,69 @@ xfs_calc_buf_res(
* on disk. Hence we need an inode reservation function that calculates all this
* correctly. So, we log:
*
- * - log op headers for object
+ * - 4 log op headers for object
+ * - for the ilf, the inode core and 2 forks
* - inode log format object
- * - the entire inode contents (core + 2 forks)
- * - two bmap btree block headers
+ * - the inode core
+ * - two inode forks containing bmap btree root blocks.
+ * - the btree data contained by both forks will fit into the inode size,
+ * hence when combined with the inode core above, we have a total of the
+ * actual inode size.
+ * - the BMBT headers need to be accounted separately, as they are
+ * additional to the records and pointers that fit inside the inode
+ * forks.
*/
STATIC uint
xfs_calc_inode_res(
struct xfs_mount *mp,
uint ninodes)
{
- return ninodes * (sizeof(struct xlog_op_header) +
- sizeof(struct xfs_inode_log_format) +
- mp->m_sb.sb_inodesize +
- 2 * XFS_BMBT_BLOCK_LEN(mp));
+ return ninodes *
+ (4 * sizeof(struct xlog_op_header) +
+ sizeof(struct xfs_inode_log_format) +
+ mp->m_sb.sb_inodesize +
+ 2 * XFS_BMBT_BLOCK_LEN(mp));
+}
+
+/*
+ * The free inode btree is a conditional feature and the log reservation
+ * requirements differ slightly from that of the traditional inode allocation
+ * btree. The finobt tracks records for inode chunks with at least one free
+ * inode. A record can be removed from the tree for an inode allocation
+ * or free and thus the finobt reservation is unconditional across:
+ *
+ * - inode allocation
+ * - inode free
+ * - inode chunk allocation
+ *
+ * The 'modify' param indicates to include the record modification scenario. The
+ * 'alloc' param indicates to include the reservation for free space btree
+ * modifications on behalf of finobt modifications. This is required only for
+ * transactions that do not already account for free space btree modifications.
+ *
+ * the free inode btree: max depth * block size
+ * the allocation btrees: 2 trees * (max depth - 1) * block size
+ * the free inode btree entry: block size
+ */
+STATIC uint
+xfs_calc_finobt_res(
+ struct xfs_mount *mp,
+ int alloc,
+ int modify)
+{
+ uint res;
+
+ if (!xfs_sb_version_hasfinobt(&mp->m_sb))
+ return 0;
+
+ res = xfs_calc_buf_res(mp->m_in_maxlevels, XFS_FSB_TO_B(mp, 1));
+ if (alloc)
+ res += xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1),
+ XFS_FSB_TO_B(mp, 1));
+ if (modify)
+ res += (uint)XFS_FSB_TO_B(mp, 1);
+
+ return res;
}
/*
@@ -174,7 +224,7 @@ xfs_calc_itruncate_reservation(
xfs_calc_buf_res(5, 0) +
xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1),
XFS_FSB_TO_B(mp, 1)) +
- xfs_calc_buf_res(2 + XFS_IALLOC_BLOCKS(mp) +
+ xfs_calc_buf_res(2 + mp->m_ialloc_blks +
mp->m_in_maxlevels, 0)));
}
@@ -213,8 +263,7 @@ xfs_calc_iunlink_remove_reservation(
struct xfs_mount *mp)
{
return xfs_calc_buf_res(1, mp->m_sb.sb_sectsize) +
- MAX((__uint16_t)XFS_FSB_TO_B(mp, 1),
- (__uint16_t)XFS_INODE_CLUSTER_SIZE(mp));
+ max_t(uint, XFS_FSB_TO_B(mp, 1), mp->m_inode_cluster_size);
}
/*
@@ -295,6 +344,7 @@ xfs_calc_remove_reservation(
* the superblock for the nlink flag: sector size
* the directory btree: (max depth + v2) * dir block size
* the directory inode's bmap btree: (max depth + v2) * block size
+ * the finobt (record modification and allocation btrees)
*/
STATIC uint
xfs_calc_create_resv_modify(
@@ -303,14 +353,15 @@ xfs_calc_create_resv_modify(
return xfs_calc_inode_res(mp, 2) +
xfs_calc_buf_res(1, mp->m_sb.sb_sectsize) +
(uint)XFS_FSB_TO_B(mp, 1) +
- xfs_calc_buf_res(XFS_DIROP_LOG_COUNT(mp), XFS_FSB_TO_B(mp, 1));
+ xfs_calc_buf_res(XFS_DIROP_LOG_COUNT(mp), XFS_FSB_TO_B(mp, 1)) +
+ xfs_calc_finobt_res(mp, 1, 1);
}
/*
* For create we can allocate some inodes giving:
* the agi and agf of the ag getting the new inodes: 2 * sectorsize
* the superblock for the nlink flag: sector size
- * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize
+ * the inode blocks allocated: mp->m_ialloc_blks * blocksize
* the inode btree: max depth * blocksize
* the allocation btrees: 2 trees * (max depth - 1) * block size
*/
@@ -320,7 +371,7 @@ xfs_calc_create_resv_alloc(
{
return xfs_calc_buf_res(2, mp->m_sb.sb_sectsize) +
mp->m_sb.sb_sectsize +
- xfs_calc_buf_res(XFS_IALLOC_BLOCKS(mp), XFS_FSB_TO_B(mp, 1)) +
+ xfs_calc_buf_res(mp->m_ialloc_blks, XFS_FSB_TO_B(mp, 1)) +
xfs_calc_buf_res(mp->m_in_maxlevels, XFS_FSB_TO_B(mp, 1)) +
xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1),
XFS_FSB_TO_B(mp, 1));
@@ -341,6 +392,7 @@ __xfs_calc_create_reservation(
* the superblock for the nlink flag: sector size
* the inode btree: max depth * blocksize
* the allocation btrees: 2 trees * (max depth - 1) * block size
+ * the finobt (record insertion)
*/
STATIC uint
xfs_calc_icreate_resv_alloc(
@@ -350,7 +402,8 @@ xfs_calc_icreate_resv_alloc(
mp->m_sb.sb_sectsize +
xfs_calc_buf_res(mp->m_in_maxlevels, XFS_FSB_TO_B(mp, 1)) +
xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1),
- XFS_FSB_TO_B(mp, 1));
+ XFS_FSB_TO_B(mp, 1)) +
+ xfs_calc_finobt_res(mp, 0, 0);
}
STATIC uint
@@ -418,6 +471,7 @@ xfs_calc_symlink_reservation(
* the on disk inode before ours in the agi hash list: inode cluster size
* the inode btree: max depth * blocksize
* the allocation btrees: 2 trees * (max depth - 1) * block size
+ * the finobt (record insertion, removal or modification)
*/
STATIC uint
xfs_calc_ifree_reservation(
@@ -429,10 +483,11 @@ xfs_calc_ifree_reservation(
xfs_calc_buf_res(1, XFS_FSB_TO_B(mp, 1)) +
xfs_calc_iunlink_remove_reservation(mp) +
xfs_calc_buf_res(1, 0) +
- xfs_calc_buf_res(2 + XFS_IALLOC_BLOCKS(mp) +
+ xfs_calc_buf_res(2 + mp->m_ialloc_blks +
mp->m_in_maxlevels, 0) +
xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1),
- XFS_FSB_TO_B(mp, 1));
+ XFS_FSB_TO_B(mp, 1)) +
+ xfs_calc_finobt_res(mp, 0, 1);
}
/*
@@ -555,7 +610,7 @@ xfs_calc_addafork_reservation(
return XFS_DQUOT_LOGRES(mp) +
xfs_calc_inode_res(mp, 1) +
xfs_calc_buf_res(2, mp->m_sb.sb_sectsize) +
- xfs_calc_buf_res(1, mp->m_dirblksize) +
+ xfs_calc_buf_res(1, mp->m_dir_geo->blksize) +
xfs_calc_buf_res(XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1,
XFS_FSB_TO_B(mp, 1)) +
xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1),
@@ -686,15 +741,14 @@ xfs_calc_qm_setqlim_reservation(
/*
* Allocating quota on disk if needed.
- * the write transaction log space: M_RES(mp)->tr_write.tr_logres
+ * the write transaction log space for quota file extent allocation
* the unit of quota allocation: one system block size
*/
STATIC uint
xfs_calc_qm_dqalloc_reservation(
struct xfs_mount *mp)
{
- ASSERT(M_RES(mp)->tr_write.tr_logres);
- return M_RES(mp)->tr_write.tr_logres +
+ return xfs_calc_write_reservation(mp) +
xfs_calc_buf_res(1,
XFS_FSB_TO_B(mp, XFS_DQUOT_CLUSTER_SIZE_FSB) - 1);
}
@@ -831,7 +885,6 @@ xfs_trans_resv_calc(
/* The following transaction are logged in logical format */
resp->tr_ichange.tr_logres = xfs_calc_ichange_reservation(mp);
resp->tr_growdata.tr_logres = xfs_calc_growdata_reservation(mp);
- resp->tr_swrite.tr_logres = xfs_calc_swrite_reservation(mp);
resp->tr_fsyncts.tr_logres = xfs_calc_swrite_reservation(mp);
resp->tr_writeid.tr_logres = xfs_calc_writeid_reservation(mp);
resp->tr_attrsetrt.tr_logres = xfs_calc_attrsetrt_reservation(mp);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-11 13:13:51 +0000