diff options
Diffstat (limited to 'fs/xfs/xfs_bmap.c')
| -rw-r--r-- | fs/xfs/xfs_bmap.c | 58 |
1 files changed, 40 insertions, 18 deletions
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 23f14e595c1..8abd12e32e1 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -614,7 +614,7 @@ xfs_bmap_add_extent( nblks += cur->bc_private.b.allocated; ASSERT(nblks <= da_old); if (nblks < da_old) - xfs_mod_incore_sb(ip->i_mount, XFS_SBS_FDBLOCKS, + xfs_icsb_modify_counters(ip->i_mount, XFS_SBS_FDBLOCKS, (int64_t)(da_old - nblks), rsvd); } /* @@ -1079,7 +1079,8 @@ xfs_bmap_add_extent_delay_real( diff = (int)(temp + temp2 - startblockval(PREV.br_startblock) - (cur ? cur->bc_private.b.allocated : 0)); if (diff > 0 && - xfs_mod_incore_sb(ip->i_mount, XFS_SBS_FDBLOCKS, -((int64_t)diff), rsvd)) { + xfs_icsb_modify_counters(ip->i_mount, XFS_SBS_FDBLOCKS, + -((int64_t)diff), rsvd)) { /* * Ick gross gag me with a spoon. */ @@ -1089,16 +1090,18 @@ xfs_bmap_add_extent_delay_real( temp--; diff--; if (!diff || - !xfs_mod_incore_sb(ip->i_mount, - XFS_SBS_FDBLOCKS, -((int64_t)diff), rsvd)) + !xfs_icsb_modify_counters(ip->i_mount, + XFS_SBS_FDBLOCKS, + -((int64_t)diff), rsvd)) break; } if (temp2) { temp2--; diff--; if (!diff || - !xfs_mod_incore_sb(ip->i_mount, - XFS_SBS_FDBLOCKS, -((int64_t)diff), rsvd)) + !xfs_icsb_modify_counters(ip->i_mount, + XFS_SBS_FDBLOCKS, + -((int64_t)diff), rsvd)) break; } } @@ -1766,7 +1769,7 @@ xfs_bmap_add_extent_hole_delay( } if (oldlen != newlen) { ASSERT(oldlen > newlen); - xfs_mod_incore_sb(ip->i_mount, XFS_SBS_FDBLOCKS, + xfs_icsb_modify_counters(ip->i_mount, XFS_SBS_FDBLOCKS, (int64_t)(oldlen - newlen), rsvd); /* * Nothing to do for disk quota accounting here. @@ -3111,9 +3114,10 @@ xfs_bmap_del_extent( * Nothing to do for disk quota accounting here. */ ASSERT(da_old >= da_new); - if (da_old > da_new) - xfs_mod_incore_sb(mp, XFS_SBS_FDBLOCKS, (int64_t)(da_old - da_new), - rsvd); + if (da_old > da_new) { + xfs_icsb_modify_counters(mp, XFS_SBS_FDBLOCKS, + (int64_t)(da_old - da_new), rsvd); + } done: *logflagsp = flags; return error; @@ -4526,13 +4530,13 @@ xfs_bmapi( -((int64_t)extsz), (flags & XFS_BMAPI_RSVBLOCKS)); } else { - error = xfs_mod_incore_sb(mp, + error = xfs_icsb_modify_counters(mp, XFS_SBS_FDBLOCKS, -((int64_t)alen), (flags & XFS_BMAPI_RSVBLOCKS)); } if (!error) { - error = xfs_mod_incore_sb(mp, + error = xfs_icsb_modify_counters(mp, XFS_SBS_FDBLOCKS, -((int64_t)indlen), (flags & XFS_BMAPI_RSVBLOCKS)); @@ -4542,7 +4546,7 @@ xfs_bmapi( (int64_t)extsz, (flags & XFS_BMAPI_RSVBLOCKS)); else if (error) - xfs_mod_incore_sb(mp, + xfs_icsb_modify_counters(mp, XFS_SBS_FDBLOCKS, (int64_t)alen, (flags & XFS_BMAPI_RSVBLOCKS)); @@ -4744,8 +4748,12 @@ xfs_bmapi( * Check if writing previously allocated but * unwritten extents. */ - if (wr && mval->br_state == XFS_EXT_UNWRITTEN && - ((flags & (XFS_BMAPI_PREALLOC|XFS_BMAPI_DELAY)) == 0)) { + if (wr && + ((mval->br_state == XFS_EXT_UNWRITTEN && + ((flags & (XFS_BMAPI_PREALLOC|XFS_BMAPI_DELAY)) == 0)) || + (mval->br_state == XFS_EXT_NORM && + ((flags & (XFS_BMAPI_PREALLOC|XFS_BMAPI_CONVERT)) == + (XFS_BMAPI_PREALLOC|XFS_BMAPI_CONVERT))))) { /* * Modify (by adding) the state flag, if writing. */ @@ -4757,7 +4765,9 @@ xfs_bmapi( *firstblock; cur->bc_private.b.flist = flist; } - mval->br_state = XFS_EXT_NORM; + mval->br_state = (mval->br_state == XFS_EXT_UNWRITTEN) + ? XFS_EXT_NORM + : XFS_EXT_UNWRITTEN; error = xfs_bmap_add_extent(ip, lastx, &cur, mval, firstblock, flist, &tmp_logflags, whichfork, (flags & XFS_BMAPI_RSVBLOCKS)); @@ -5200,7 +5210,7 @@ xfs_bunmapi( ip, -((long)del.br_blockcount), 0, XFS_QMOPT_RES_RTBLKS); } else { - xfs_mod_incore_sb(mp, XFS_SBS_FDBLOCKS, + xfs_icsb_modify_counters(mp, XFS_SBS_FDBLOCKS, (int64_t)del.br_blockcount, rsvd); (void)xfs_trans_reserve_quota_nblks(NULL, ip, -((long)del.br_blockcount), 0, @@ -5533,12 +5543,24 @@ xfs_getbmap( map[i].br_startblock)) goto out_free_map; - nexleft--; bmv->bmv_offset = out[cur_ext].bmv_offset + out[cur_ext].bmv_length; bmv->bmv_length = max_t(__int64_t, 0, bmvend - bmv->bmv_offset); + + /* + * In case we don't want to return the hole, + * don't increase cur_ext so that we can reuse + * it in the next loop. + */ + if ((iflags & BMV_IF_NO_HOLES) && + map[i].br_startblock == HOLESTARTBLOCK) { + memset(&out[cur_ext], 0, sizeof(out[cur_ext])); + continue; + } + + nexleft--; bmv->bmv_entries++; cur_ext++; } |