From 2fb8b5027dbde32a45edf5f3d7ee082be9261d93 Mon Sep 17 00:00:00 2001 From: Jie Liu Date: Fri, 3 May 2013 15:41:19 +0800 Subject: xfs: Remove two dead transaction log reservaion macros Upstream commit 5b292ae3a951a58e32119d73c7ac8f5bec7395a3 xfs: make use of xfs_calc_buf_res() in xfs_trans.c Beginning from above commit, neither XFS_ALLOCFREE_LOG_RES() nor XFS_DIROP_LOG_RES() is used by those routines for calculating transaction space reservations, so it's safe to remove them now. Also, with a slightly update for the relevant comments to reflect the ideas of why those log count numbers should be. Signed-off-by: Jie Liu Reviewed-by: Ben Myers Signed-off-by: Ben Myers --- fs/xfs/xfs_trans.h | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) (limited to 'fs/xfs') diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index a44dba5b2cdb..6d526569820c 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -210,23 +210,18 @@ struct xfs_log_item_desc { /* * Per-extent log reservation for the allocation btree changes * involved in freeing or allocating an extent. - * 2 trees * (2 blocks/level * max depth - 1) * block size + * 2 trees * (2 blocks/level * max depth - 1) */ -#define XFS_ALLOCFREE_LOG_RES(mp,nx) \ - ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1))) #define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \ ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1))) /* * Per-directory log reservation for any directory change. - * dir blocks: (1 btree block per level + data block + free block) * dblock size - * bmap btree: (levels + 2) * max depth * block size + * dir blocks: (1 btree block per level + data block + free block) + * bmap btree: (levels + 2) * max depth * v2 directory blocks can be fragmented below the dirblksize down to the fsb * size, so account for that in the DAENTER macros. */ -#define XFS_DIROP_LOG_RES(mp) \ - (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \ - (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1))) #define XFS_DIROP_LOG_COUNT(mp) \ (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \ XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1) -- cgit v1.2.3