Message ID | 20180703172319.24509-16-bfoster@redhat.com (mailing list archive) |
---|---|
State | Accepted |
Headers | show |
On Tue, Jul 03, 2018 at 01:23:09PM -0400, Brian Foster wrote: > The xfs_bmalloca.firstblock field carries the firstblock value from > the transaction into the bmap infrastructure. It's initialized in > one place from ->t_firstblock, so drop the field and access > ->t_firstblock directly throughout the bmap code. > > Signed-off-by: Brian Foster <bfoster@redhat.com> Looks ok, Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> --D > --- > fs/xfs/libxfs/xfs_bmap.c | 44 +++++++++++++++++++++------------------- > fs/xfs/libxfs/xfs_bmap.h | 1 - > 2 files changed, 23 insertions(+), 22 deletions(-) > > diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c > index 43157e5ff46b..bd1273546b54 100644 > --- a/fs/xfs/libxfs/xfs_bmap.c > +++ b/fs/xfs/libxfs/xfs_bmap.c > @@ -1794,7 +1794,7 @@ xfs_bmap_add_extent_delay_real( > > if (xfs_bmap_needs_btree(bma->ip, whichfork)) { > error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, > - bma->firstblock, &bma->cur, 1, > + &bma->tp->t_firstblock, &bma->cur, 1, > &tmp_rval, whichfork); > rval |= tmp_rval; > if (error) > @@ -1872,7 +1872,7 @@ xfs_bmap_add_extent_delay_real( > > if (xfs_bmap_needs_btree(bma->ip, whichfork)) { > error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, > - bma->firstblock, &bma->cur, 1, &tmp_rval, > + &bma->tp->t_firstblock, &bma->cur, 1, &tmp_rval, > whichfork); > rval |= tmp_rval; > if (error) > @@ -1953,7 +1953,7 @@ xfs_bmap_add_extent_delay_real( > > if (xfs_bmap_needs_btree(bma->ip, whichfork)) { > error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, > - bma->firstblock, &bma->cur, 1, > + &bma->tp->t_firstblock, &bma->cur, 1, > &tmp_rval, whichfork); > rval |= tmp_rval; > if (error) > @@ -1991,7 +1991,7 @@ xfs_bmap_add_extent_delay_real( > > ASSERT(bma->cur == NULL); > error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, > - bma->firstblock, &bma->cur, da_old > 0, > + &bma->tp->t_firstblock, &bma->cur, da_old > 0, > &tmp_logflags, whichfork); > bma->logflags |= tmp_logflags; > if (error) > @@ -3056,10 +3056,11 @@ xfs_bmap_adjacent( > XFS_FSB_TO_AGBNO(mp, x) < mp->m_sb.sb_agblocks) > > mp = ap->ip->i_mount; > - nullfb = *ap->firstblock == NULLFSBLOCK; > + nullfb = ap->tp->t_firstblock == NULLFSBLOCK; > rt = XFS_IS_REALTIME_INODE(ap->ip) && > xfs_alloc_is_userdata(ap->datatype); > - fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, *ap->firstblock); > + fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, > + ap->tp->t_firstblock); > /* > * If allocating at eof, and there's a previous real block, > * try to use its last block as our starting point. > @@ -3417,8 +3418,9 @@ xfs_bmap_btalloc( > } > > > - nullfb = *ap->firstblock == NULLFSBLOCK; > - fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, *ap->firstblock); > + nullfb = ap->tp->t_firstblock == NULLFSBLOCK; > + fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, > + ap->tp->t_firstblock); > if (nullfb) { > if (xfs_alloc_is_userdata(ap->datatype) && > xfs_inode_is_filestream(ap->ip)) { > @@ -3429,7 +3431,7 @@ xfs_bmap_btalloc( > ap->blkno = XFS_INO_TO_FSB(mp, ap->ip->i_ino); > } > } else > - ap->blkno = *ap->firstblock; > + ap->blkno = ap->tp->t_firstblock; > > xfs_bmap_adjacent(ap); > > @@ -3440,7 +3442,7 @@ xfs_bmap_btalloc( > if (nullfb || XFS_FSB_TO_AGNO(mp, ap->blkno) == fb_agno) > ; > else > - ap->blkno = *ap->firstblock; > + ap->blkno = ap->tp->t_firstblock; > /* > * Normal allocation, done through xfs_alloc_vextent. > */ > @@ -3453,7 +3455,7 @@ xfs_bmap_btalloc( > > /* Trim the allocation back to the maximum an AG can fit. */ > args.maxlen = min(ap->length, mp->m_ag_max_usable); > - args.firstblock = *ap->firstblock; > + args.firstblock = ap->tp->t_firstblock; > blen = 0; > if (nullfb) { > /* > @@ -3602,13 +3604,13 @@ xfs_bmap_btalloc( > * check the allocation happened at the same or higher AG than > * the first block that was allocated. > */ > - ASSERT(*ap->firstblock == NULLFSBLOCK || > - XFS_FSB_TO_AGNO(mp, *ap->firstblock) <= > + ASSERT(ap->tp->t_firstblock == NULLFSBLOCK || > + XFS_FSB_TO_AGNO(mp, ap->tp->t_firstblock) <= > XFS_FSB_TO_AGNO(mp, args.fsbno)); > > ap->blkno = args.fsbno; > - if (*ap->firstblock == NULLFSBLOCK) > - *ap->firstblock = args.fsbno; > + if (ap->tp->t_firstblock == NULLFSBLOCK) > + ap->tp->t_firstblock = args.fsbno; > ASSERT(nullfb || fb_agno <= args.agno); > ap->length = args.len; > /* > @@ -4065,12 +4067,12 @@ xfs_bmapi_allocate( > return error; > > if (bma->cur) > - bma->cur->bc_private.b.firstblock = *bma->firstblock; > + bma->cur->bc_private.b.firstblock = bma->tp->t_firstblock; > if (bma->blkno == NULLFSBLOCK) > return 0; > if ((ifp->if_flags & XFS_IFBROOT) && !bma->cur) { > bma->cur = xfs_bmbt_init_cursor(mp, bma->tp, bma->ip, whichfork); > - bma->cur->bc_private.b.firstblock = *bma->firstblock; > + bma->cur->bc_private.b.firstblock = bma->tp->t_firstblock; > } > /* > * Bump the number of extents we've allocated > @@ -4106,7 +4108,8 @@ xfs_bmapi_allocate( > else > error = xfs_bmap_add_extent_hole_real(bma->tp, bma->ip, > whichfork, &bma->icur, &bma->cur, &bma->got, > - bma->firstblock, &bma->logflags, bma->flags); > + &bma->tp->t_firstblock, &bma->logflags, > + bma->flags); > > bma->logflags |= tmp_logflags; > if (error) > @@ -4157,7 +4160,7 @@ xfs_bmapi_convert_unwritten( > if ((ifp->if_flags & XFS_IFBROOT) && !bma->cur) { > bma->cur = xfs_bmbt_init_cursor(bma->ip->i_mount, bma->tp, > bma->ip, whichfork); > - bma->cur->bc_private.b.firstblock = *bma->firstblock; > + bma->cur->bc_private.b.firstblock = bma->tp->t_firstblock; > } > mval->br_state = (mval->br_state == XFS_EXT_UNWRITTEN) > ? XFS_EXT_NORM : XFS_EXT_UNWRITTEN; > @@ -4174,7 +4177,7 @@ xfs_bmapi_convert_unwritten( > } > > error = xfs_bmap_add_extent_unwritten_real(bma->tp, bma->ip, whichfork, > - &bma->icur, &bma->cur, mval, bma->firstblock, > + &bma->icur, &bma->cur, mval, &bma->tp->t_firstblock, > &tmp_logflags); > /* > * Log the inode core unconditionally in the unwritten extent conversion > @@ -4315,7 +4318,6 @@ xfs_bmapi_write( > bma.ip = ip; > bma.total = total; > bma.datatype = 0; > - bma.firstblock = &tp->t_firstblock; > ASSERT(!tp || tp->t_dfops); > > while (bno < end && n < *nmap) { > diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h > index fa839679ecb6..bbd641ae3261 100644 > --- a/fs/xfs/libxfs/xfs_bmap.h > +++ b/fs/xfs/libxfs/xfs_bmap.h > @@ -19,7 +19,6 @@ extern kmem_zone_t *xfs_bmap_free_item_zone; > * Argument structure for xfs_bmap_alloc. > */ > struct xfs_bmalloca { > - xfs_fsblock_t *firstblock; /* i/o first block allocated */ > struct xfs_trans *tp; /* transaction pointer */ > struct xfs_inode *ip; /* incore inode pointer */ > struct xfs_bmbt_irec prev; /* extent before the new one */ > -- > 2.17.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-xfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 43157e5ff46b..bd1273546b54 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -1794,7 +1794,7 @@ xfs_bmap_add_extent_delay_real( if (xfs_bmap_needs_btree(bma->ip, whichfork)) { error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, - bma->firstblock, &bma->cur, 1, + &bma->tp->t_firstblock, &bma->cur, 1, &tmp_rval, whichfork); rval |= tmp_rval; if (error) @@ -1872,7 +1872,7 @@ xfs_bmap_add_extent_delay_real( if (xfs_bmap_needs_btree(bma->ip, whichfork)) { error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, - bma->firstblock, &bma->cur, 1, &tmp_rval, + &bma->tp->t_firstblock, &bma->cur, 1, &tmp_rval, whichfork); rval |= tmp_rval; if (error) @@ -1953,7 +1953,7 @@ xfs_bmap_add_extent_delay_real( if (xfs_bmap_needs_btree(bma->ip, whichfork)) { error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, - bma->firstblock, &bma->cur, 1, + &bma->tp->t_firstblock, &bma->cur, 1, &tmp_rval, whichfork); rval |= tmp_rval; if (error) @@ -1991,7 +1991,7 @@ xfs_bmap_add_extent_delay_real( ASSERT(bma->cur == NULL); error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, - bma->firstblock, &bma->cur, da_old > 0, + &bma->tp->t_firstblock, &bma->cur, da_old > 0, &tmp_logflags, whichfork); bma->logflags |= tmp_logflags; if (error) @@ -3056,10 +3056,11 @@ xfs_bmap_adjacent( XFS_FSB_TO_AGBNO(mp, x) < mp->m_sb.sb_agblocks) mp = ap->ip->i_mount; - nullfb = *ap->firstblock == NULLFSBLOCK; + nullfb = ap->tp->t_firstblock == NULLFSBLOCK; rt = XFS_IS_REALTIME_INODE(ap->ip) && xfs_alloc_is_userdata(ap->datatype); - fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, *ap->firstblock); + fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, + ap->tp->t_firstblock); /* * If allocating at eof, and there's a previous real block, * try to use its last block as our starting point. @@ -3417,8 +3418,9 @@ xfs_bmap_btalloc( } - nullfb = *ap->firstblock == NULLFSBLOCK; - fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, *ap->firstblock); + nullfb = ap->tp->t_firstblock == NULLFSBLOCK; + fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, + ap->tp->t_firstblock); if (nullfb) { if (xfs_alloc_is_userdata(ap->datatype) && xfs_inode_is_filestream(ap->ip)) { @@ -3429,7 +3431,7 @@ xfs_bmap_btalloc( ap->blkno = XFS_INO_TO_FSB(mp, ap->ip->i_ino); } } else - ap->blkno = *ap->firstblock; + ap->blkno = ap->tp->t_firstblock; xfs_bmap_adjacent(ap); @@ -3440,7 +3442,7 @@ xfs_bmap_btalloc( if (nullfb || XFS_FSB_TO_AGNO(mp, ap->blkno) == fb_agno) ; else - ap->blkno = *ap->firstblock; + ap->blkno = ap->tp->t_firstblock; /* * Normal allocation, done through xfs_alloc_vextent. */ @@ -3453,7 +3455,7 @@ xfs_bmap_btalloc( /* Trim the allocation back to the maximum an AG can fit. */ args.maxlen = min(ap->length, mp->m_ag_max_usable); - args.firstblock = *ap->firstblock; + args.firstblock = ap->tp->t_firstblock; blen = 0; if (nullfb) { /* @@ -3602,13 +3604,13 @@ xfs_bmap_btalloc( * check the allocation happened at the same or higher AG than * the first block that was allocated. */ - ASSERT(*ap->firstblock == NULLFSBLOCK || - XFS_FSB_TO_AGNO(mp, *ap->firstblock) <= + ASSERT(ap->tp->t_firstblock == NULLFSBLOCK || + XFS_FSB_TO_AGNO(mp, ap->tp->t_firstblock) <= XFS_FSB_TO_AGNO(mp, args.fsbno)); ap->blkno = args.fsbno; - if (*ap->firstblock == NULLFSBLOCK) - *ap->firstblock = args.fsbno; + if (ap->tp->t_firstblock == NULLFSBLOCK) + ap->tp->t_firstblock = args.fsbno; ASSERT(nullfb || fb_agno <= args.agno); ap->length = args.len; /* @@ -4065,12 +4067,12 @@ xfs_bmapi_allocate( return error; if (bma->cur) - bma->cur->bc_private.b.firstblock = *bma->firstblock; + bma->cur->bc_private.b.firstblock = bma->tp->t_firstblock; if (bma->blkno == NULLFSBLOCK) return 0; if ((ifp->if_flags & XFS_IFBROOT) && !bma->cur) { bma->cur = xfs_bmbt_init_cursor(mp, bma->tp, bma->ip, whichfork); - bma->cur->bc_private.b.firstblock = *bma->firstblock; + bma->cur->bc_private.b.firstblock = bma->tp->t_firstblock; } /* * Bump the number of extents we've allocated @@ -4106,7 +4108,8 @@ xfs_bmapi_allocate( else error = xfs_bmap_add_extent_hole_real(bma->tp, bma->ip, whichfork, &bma->icur, &bma->cur, &bma->got, - bma->firstblock, &bma->logflags, bma->flags); + &bma->tp->t_firstblock, &bma->logflags, + bma->flags); bma->logflags |= tmp_logflags; if (error) @@ -4157,7 +4160,7 @@ xfs_bmapi_convert_unwritten( if ((ifp->if_flags & XFS_IFBROOT) && !bma->cur) { bma->cur = xfs_bmbt_init_cursor(bma->ip->i_mount, bma->tp, bma->ip, whichfork); - bma->cur->bc_private.b.firstblock = *bma->firstblock; + bma->cur->bc_private.b.firstblock = bma->tp->t_firstblock; } mval->br_state = (mval->br_state == XFS_EXT_UNWRITTEN) ? XFS_EXT_NORM : XFS_EXT_UNWRITTEN; @@ -4174,7 +4177,7 @@ xfs_bmapi_convert_unwritten( } error = xfs_bmap_add_extent_unwritten_real(bma->tp, bma->ip, whichfork, - &bma->icur, &bma->cur, mval, bma->firstblock, + &bma->icur, &bma->cur, mval, &bma->tp->t_firstblock, &tmp_logflags); /* * Log the inode core unconditionally in the unwritten extent conversion @@ -4315,7 +4318,6 @@ xfs_bmapi_write( bma.ip = ip; bma.total = total; bma.datatype = 0; - bma.firstblock = &tp->t_firstblock; ASSERT(!tp || tp->t_dfops); while (bno < end && n < *nmap) { diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index fa839679ecb6..bbd641ae3261 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -19,7 +19,6 @@ extern kmem_zone_t *xfs_bmap_free_item_zone; * Argument structure for xfs_bmap_alloc. */ struct xfs_bmalloca { - xfs_fsblock_t *firstblock; /* i/o first block allocated */ struct xfs_trans *tp; /* transaction pointer */ struct xfs_inode *ip; /* incore inode pointer */ struct xfs_bmbt_irec prev; /* extent before the new one */
The xfs_bmalloca.firstblock field carries the firstblock value from the transaction into the bmap infrastructure. It's initialized in one place from ->t_firstblock, so drop the field and access ->t_firstblock directly throughout the bmap code. Signed-off-by: Brian Foster <bfoster@redhat.com> --- fs/xfs/libxfs/xfs_bmap.c | 44 +++++++++++++++++++++------------------- fs/xfs/libxfs/xfs_bmap.h | 1 - 2 files changed, 23 insertions(+), 22 deletions(-)