xfs: truncate transaction does not modify the inobt (a606ebdb) · Commits · 戴 / test

The truncate transaction does not ever modify the inode btree, but includes an associated log reservation. Update xfs_calc_itruncate_reservation() to remove the reservation associated with inobt updates. Signed-off-by:

Brian Foster <bfoster@redhat.com> Reviewed-by:

Dave Chinner <dchinner@redhat.com> Reviewed-by:

Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by:

Darrick J. Wong <darrick.wong@oracle.com>

fs/xfs/libxfs/xfs_trans_resv.c

+1 −8

Original line number	Diff line number	Diff line
		@@ -232,8 +232,6 @@ xfs_calc_write_reservation(
		* the super block to reflect the freed blocks: sector size
		* worst case split in allocation btrees per extent assuming 4 extents:
		* 4 exts * 2 trees * (2 * max depth - 1) * block size
		* the inode btree: max depth * blocksize
		* the allocation btrees: 2 trees * (max depth - 1) * block size
		*/
		STATIC uint
		xfs_calc_itruncate_reservation(
		@@ -245,12 +243,7 @@ xfs_calc_itruncate_reservation(
		XFS_FSB_TO_B(mp, 1))),
		(xfs_calc_buf_res(9, mp->m_sb.sb_sectsize) +
		xfs_calc_buf_res(xfs_allocfree_log_count(mp, 4),
		XFS_FSB_TO_B(mp, 1)) +
		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 + mp->m_ialloc_blks +
		mp->m_in_maxlevels, 0)));
		XFS_FSB_TO_B(mp, 1))));
		}

		/*

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