Message ID | 20170903072956.3175-10-hch@lst.de (mailing list archive) |
---|---|
State | Accepted |
Headers | show |
On Sun, Sep 03, 2017 at 09:29:48AM +0200, Christoph Hellwig wrote: > Use xfs_iext_get_extent to find, and xfs_iext_update_extent to update > entries in the in-core extent list. This isolates the function from > the detailed layout of the extent list, and generally makes the code > a lot more readable. > > Signed-off-by: Christoph Hellwig <hch@lst.de> > --- Reviewed-by: Brian Foster <bfoster@redhat.com> > fs/xfs/libxfs/xfs_bmap.c | 21 +++++++++++---------- > 1 file changed, 11 insertions(+), 10 deletions(-) > > diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c > index c15b81611403..eae66f7999c8 100644 > --- a/fs/xfs/libxfs/xfs_bmap.c > +++ b/fs/xfs/libxfs/xfs_bmap.c > @@ -2701,7 +2701,7 @@ xfs_bmap_add_extent_hole_delay( > xfs_filblks_t oldlen=0; /* old indirect size */ > xfs_bmbt_irec_t right; /* right neighbor extent entry */ > int state; /* state bits, accessed thru macros */ > - xfs_filblks_t temp=0; /* temp for indirect calculations */ > + xfs_filblks_t temp; /* temp for indirect calculations */ > > ifp = XFS_IFORK_PTR(ip, whichfork); > state = 0; > @@ -2764,14 +2764,14 @@ xfs_bmap_add_extent_hole_delay( > right.br_blockcount; > > trace_xfs_bmap_pre_update(ip, *idx, state, _THIS_IP_); > - xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, *idx), temp); > oldlen = startblockval(left.br_startblock) + > startblockval(new->br_startblock) + > startblockval(right.br_startblock); > newlen = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp), > oldlen); > - xfs_bmbt_set_startblock(xfs_iext_get_ext(ifp, *idx), > - nullstartblock((int)newlen)); > + left.br_startblock = nullstartblock(newlen); > + left.br_blockcount = temp; > + xfs_iext_update_extent(ifp, *idx, &left); > trace_xfs_bmap_post_update(ip, *idx, state, _THIS_IP_); > > xfs_iext_remove(ip, *idx + 1, 1, state); > @@ -2787,13 +2787,13 @@ xfs_bmap_add_extent_hole_delay( > temp = left.br_blockcount + new->br_blockcount; > > trace_xfs_bmap_pre_update(ip, *idx, state, _THIS_IP_); > - xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, *idx), temp); > oldlen = startblockval(left.br_startblock) + > startblockval(new->br_startblock); > newlen = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp), > oldlen); > - xfs_bmbt_set_startblock(xfs_iext_get_ext(ifp, *idx), > - nullstartblock((int)newlen)); > + left.br_blockcount = temp; > + left.br_startblock = nullstartblock(newlen); > + xfs_iext_update_extent(ifp, *idx, &left); > trace_xfs_bmap_post_update(ip, *idx, state, _THIS_IP_); > break; > > @@ -2809,9 +2809,10 @@ xfs_bmap_add_extent_hole_delay( > startblockval(right.br_startblock); > newlen = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp), > oldlen); > - xfs_bmbt_set_allf(xfs_iext_get_ext(ifp, *idx), > - new->br_startoff, > - nullstartblock((int)newlen), temp, right.br_state); > + right.br_startoff = new->br_startoff; > + right.br_startblock = nullstartblock(newlen); > + right.br_blockcount = temp; > + xfs_iext_update_extent(ifp, *idx, &right); > trace_xfs_bmap_post_update(ip, *idx, state, _THIS_IP_); > break; > > -- > 2.11.0 > > -- > 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 c15b81611403..eae66f7999c8 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -2701,7 +2701,7 @@ xfs_bmap_add_extent_hole_delay( xfs_filblks_t oldlen=0; /* old indirect size */ xfs_bmbt_irec_t right; /* right neighbor extent entry */ int state; /* state bits, accessed thru macros */ - xfs_filblks_t temp=0; /* temp for indirect calculations */ + xfs_filblks_t temp; /* temp for indirect calculations */ ifp = XFS_IFORK_PTR(ip, whichfork); state = 0; @@ -2764,14 +2764,14 @@ xfs_bmap_add_extent_hole_delay( right.br_blockcount; trace_xfs_bmap_pre_update(ip, *idx, state, _THIS_IP_); - xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, *idx), temp); oldlen = startblockval(left.br_startblock) + startblockval(new->br_startblock) + startblockval(right.br_startblock); newlen = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp), oldlen); - xfs_bmbt_set_startblock(xfs_iext_get_ext(ifp, *idx), - nullstartblock((int)newlen)); + left.br_startblock = nullstartblock(newlen); + left.br_blockcount = temp; + xfs_iext_update_extent(ifp, *idx, &left); trace_xfs_bmap_post_update(ip, *idx, state, _THIS_IP_); xfs_iext_remove(ip, *idx + 1, 1, state); @@ -2787,13 +2787,13 @@ xfs_bmap_add_extent_hole_delay( temp = left.br_blockcount + new->br_blockcount; trace_xfs_bmap_pre_update(ip, *idx, state, _THIS_IP_); - xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, *idx), temp); oldlen = startblockval(left.br_startblock) + startblockval(new->br_startblock); newlen = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp), oldlen); - xfs_bmbt_set_startblock(xfs_iext_get_ext(ifp, *idx), - nullstartblock((int)newlen)); + left.br_blockcount = temp; + left.br_startblock = nullstartblock(newlen); + xfs_iext_update_extent(ifp, *idx, &left); trace_xfs_bmap_post_update(ip, *idx, state, _THIS_IP_); break; @@ -2809,9 +2809,10 @@ xfs_bmap_add_extent_hole_delay( startblockval(right.br_startblock); newlen = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp), oldlen); - xfs_bmbt_set_allf(xfs_iext_get_ext(ifp, *idx), - new->br_startoff, - nullstartblock((int)newlen), temp, right.br_state); + right.br_startoff = new->br_startoff; + right.br_startblock = nullstartblock(newlen); + right.br_blockcount = temp; + xfs_iext_update_extent(ifp, *idx, &right); trace_xfs_bmap_post_update(ip, *idx, state, _THIS_IP_); break;
Use xfs_iext_get_extent to find, and xfs_iext_update_extent to update entries in the in-core extent list. This isolates the function from the detailed layout of the extent list, and generally makes the code a lot more readable. Signed-off-by: Christoph Hellwig <hch@lst.de> --- fs/xfs/libxfs/xfs_bmap.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-)