diff options
author | Jiri Kosina <jkosina@suse.cz> | 2010-08-04 15:14:38 +0200 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2010-08-04 15:14:38 +0200 |
commit | d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f (patch) | |
tree | 854ab394486288d40fa8179cbfaf66e8bdc44b0f /fs/xfs/xfs_bmap.c | |
parent | 73b2c7165b76b20eb1290e7efebc33cfd21db1ca (diff) | |
parent | 3a09b1be53d23df780a0cd0e4087a05e2ca4a00c (diff) | |
download | op-kernel-dev-d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f.zip op-kernel-dev-d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f.tar.gz |
Merge branch 'master' into for-next
Diffstat (limited to 'fs/xfs/xfs_bmap.c')
-rw-r--r-- | fs/xfs/xfs_bmap.c | 327 |
1 files changed, 42 insertions, 285 deletions
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 99587de..23f14e5 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -30,13 +30,10 @@ #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" #include "xfs_dir2_sf.h" -#include "xfs_attr_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_btree.h" -#include "xfs_dmapi.h" #include "xfs_mount.h" -#include "xfs_ialloc.h" #include "xfs_itable.h" #include "xfs_dir2_data.h" #include "xfs_dir2_leaf.h" @@ -104,7 +101,6 @@ xfs_bmap_add_extent( xfs_fsblock_t *first, /* pointer to firstblock variable */ xfs_bmap_free_t *flist, /* list of extents to be freed */ int *logflagsp, /* inode logging flags */ - xfs_extdelta_t *delta, /* Change made to incore extents */ int whichfork, /* data or attr fork */ int rsvd); /* OK to allocate reserved blocks */ @@ -122,7 +118,6 @@ xfs_bmap_add_extent_delay_real( xfs_fsblock_t *first, /* pointer to firstblock variable */ xfs_bmap_free_t *flist, /* list of extents to be freed */ int *logflagsp, /* inode logging flags */ - xfs_extdelta_t *delta, /* Change made to incore extents */ int rsvd); /* OK to allocate reserved blocks */ /* @@ -135,7 +130,6 @@ xfs_bmap_add_extent_hole_delay( xfs_extnum_t idx, /* extent number to update/insert */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ int *logflagsp,/* inode logging flags */ - xfs_extdelta_t *delta, /* Change made to incore extents */ int rsvd); /* OK to allocate reserved blocks */ /* @@ -149,7 +143,6 @@ xfs_bmap_add_extent_hole_real( xfs_btree_cur_t *cur, /* if null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ int *logflagsp, /* inode logging flags */ - xfs_extdelta_t *delta, /* Change made to incore extents */ int whichfork); /* data or attr fork */ /* @@ -162,8 +155,7 @@ xfs_bmap_add_extent_unwritten_real( xfs_extnum_t idx, /* extent number to update/insert */ xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ - int *logflagsp, /* inode logging flags */ - xfs_extdelta_t *delta); /* Change made to incore extents */ + int *logflagsp); /* inode logging flags */ /* * xfs_bmap_alloc is called by xfs_bmapi to allocate an extent for a file. @@ -200,7 +192,6 @@ xfs_bmap_del_extent( xfs_btree_cur_t *cur, /* if null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ int *logflagsp,/* inode logging flags */ - xfs_extdelta_t *delta, /* Change made to incore extents */ int whichfork, /* data or attr fork */ int rsvd); /* OK to allocate reserved blocks */ @@ -489,7 +480,6 @@ xfs_bmap_add_extent( xfs_fsblock_t *first, /* pointer to firstblock variable */ xfs_bmap_free_t *flist, /* list of extents to be freed */ int *logflagsp, /* inode logging flags */ - xfs_extdelta_t *delta, /* Change made to incore extents */ int whichfork, /* data or attr fork */ int rsvd) /* OK to use reserved data blocks */ { @@ -524,15 +514,6 @@ xfs_bmap_add_extent( logflags = XFS_ILOG_CORE | xfs_ilog_fext(whichfork); } else logflags = 0; - /* DELTA: single new extent */ - if (delta) { - if (delta->xed_startoff > new->br_startoff) - delta->xed_startoff = new->br_startoff; - if (delta->xed_blockcount < - new->br_startoff + new->br_blockcount) - delta->xed_blockcount = new->br_startoff + - new->br_blockcount; - } } /* * Any kind of new delayed allocation goes here. @@ -542,7 +523,7 @@ xfs_bmap_add_extent( ASSERT((cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL) == 0); if ((error = xfs_bmap_add_extent_hole_delay(ip, idx, new, - &logflags, delta, rsvd))) + &logflags, rsvd))) goto done; } /* @@ -553,7 +534,7 @@ xfs_bmap_add_extent( ASSERT((cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL) == 0); if ((error = xfs_bmap_add_extent_hole_real(ip, idx, cur, new, - &logflags, delta, whichfork))) + &logflags, whichfork))) goto done; } else { xfs_bmbt_irec_t prev; /* old extent at offset idx */ @@ -578,17 +559,17 @@ xfs_bmap_add_extent( XFS_BTCUR_BPRV_WASDEL); if ((error = xfs_bmap_add_extent_delay_real(ip, idx, &cur, new, &da_new, first, flist, - &logflags, delta, rsvd))) + &logflags, rsvd))) goto done; } else if (new->br_state == XFS_EXT_NORM) { ASSERT(new->br_state == XFS_EXT_NORM); if ((error = xfs_bmap_add_extent_unwritten_real( - ip, idx, &cur, new, &logflags, delta))) + ip, idx, &cur, new, &logflags))) goto done; } else { ASSERT(new->br_state == XFS_EXT_UNWRITTEN); if ((error = xfs_bmap_add_extent_unwritten_real( - ip, idx, &cur, new, &logflags, delta))) + ip, idx, &cur, new, &logflags))) goto done; } ASSERT(*curp == cur || *curp == NULL); @@ -601,7 +582,7 @@ xfs_bmap_add_extent( ASSERT((cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL) == 0); if ((error = xfs_bmap_add_extent_hole_real(ip, idx, cur, - new, &logflags, delta, whichfork))) + new, &logflags, whichfork))) goto done; } } @@ -666,7 +647,6 @@ xfs_bmap_add_extent_delay_real( xfs_fsblock_t *first, /* pointer to firstblock variable */ xfs_bmap_free_t *flist, /* list of extents to be freed */ int *logflagsp, /* inode logging flags */ - xfs_extdelta_t *delta, /* Change made to incore extents */ int rsvd) /* OK to use reserved data block allocation */ { xfs_btree_cur_t *cur; /* btree cursor */ @@ -797,11 +777,6 @@ xfs_bmap_add_extent_delay_real( goto done; } *dnew = 0; - /* DELTA: Three in-core extents are replaced by one. */ - temp = LEFT.br_startoff; - temp2 = LEFT.br_blockcount + - PREV.br_blockcount + - RIGHT.br_blockcount; break; case BMAP_LEFT_FILLING | BMAP_RIGHT_FILLING | BMAP_LEFT_CONTIG: @@ -832,10 +807,6 @@ xfs_bmap_add_extent_delay_real( goto done; } *dnew = 0; - /* DELTA: Two in-core extents are replaced by one. */ - temp = LEFT.br_startoff; - temp2 = LEFT.br_blockcount + - PREV.br_blockcount; break; case BMAP_LEFT_FILLING | BMAP_RIGHT_FILLING | BMAP_RIGHT_CONTIG: @@ -867,10 +838,6 @@ xfs_bmap_add_extent_delay_real( goto done; } *dnew = 0; - /* DELTA: Two in-core extents are replaced by one. */ - temp = PREV.br_startoff; - temp2 = PREV.br_blockcount + - RIGHT.br_blockcount; break; case BMAP_LEFT_FILLING | BMAP_RIGHT_FILLING: @@ -900,9 +867,6 @@ xfs_bmap_add_extent_delay_real( XFS_WANT_CORRUPTED_GOTO(i == 1, done); } *dnew = 0; - /* DELTA: The in-core extent described by new changed type. */ - temp = new->br_startoff; - temp2 = new->br_blockcount; break; case BMAP_LEFT_FILLING | BMAP_LEFT_CONTIG: @@ -942,10 +906,6 @@ xfs_bmap_add_extent_delay_real( xfs_bmbt_set_startblock(ep, nullstartblock((int)temp)); trace_xfs_bmap_post_update(ip, idx, state, _THIS_IP_); *dnew = temp; - /* DELTA: The boundary between two in-core extents moved. */ - temp = LEFT.br_startoff; - temp2 = LEFT.br_blockcount + - PREV.br_blockcount; break; case BMAP_LEFT_FILLING: @@ -990,9 +950,6 @@ xfs_bmap_add_extent_delay_real( xfs_bmbt_set_startblock(ep, nullstartblock((int)temp)); trace_xfs_bmap_post_update(ip, idx + 1, state, _THIS_IP_); *dnew = temp; - /* DELTA: One in-core extent is split in two. */ - temp = PREV.br_startoff; - temp2 = PREV.br_blockcount; break; case BMAP_RIGHT_FILLING | BMAP_RIGHT_CONTIG: @@ -1031,10 +988,6 @@ xfs_bmap_add_extent_delay_real( xfs_bmbt_set_startblock(ep, nullstartblock((int)temp)); trace_xfs_bmap_post_update(ip, idx, state, _THIS_IP_); *dnew = temp; - /* DELTA: The boundary between two in-core extents moved. */ - temp = PREV.br_startoff; - temp2 = PREV.br_blockcount + - RIGHT.br_blockcount; break; case BMAP_RIGHT_FILLING: @@ -1078,9 +1031,6 @@ xfs_bmap_add_extent_delay_real( xfs_bmbt_set_startblock(ep, nullstartblock((int)temp)); trace_xfs_bmap_post_update(ip, idx, state, _THIS_IP_); *dnew = temp; - /* DELTA: One in-core extent is split in two. */ - temp = PREV.br_startoff; - temp2 = PREV.br_blockcount; break; case 0: @@ -1161,9 +1111,6 @@ xfs_bmap_add_extent_delay_real( nullstartblock((int)temp2)); trace_xfs_bmap_post_update(ip, idx + 2, state, _THIS_IP_); *dnew = temp + temp2; - /* DELTA: One in-core extent is split in three. */ - temp = PREV.br_startoff; - temp2 = PREV.br_blockcount; break; case BMAP_LEFT_FILLING | BMAP_LEFT_CONTIG | BMAP_RIGHT_CONTIG: @@ -1179,13 +1126,6 @@ xfs_bmap_add_extent_delay_real( ASSERT(0); } *curp = cur; - if (delta) { - temp2 += temp; - if (delta->xed_startoff > temp) - delta->xed_startoff = temp; - if (delta->xed_blockcount < temp2) - delta->xed_blockcount = temp2; - } done: *logflagsp = rval; return error; @@ -1204,8 +1144,7 @@ xfs_bmap_add_extent_unwritten_real( xfs_extnum_t idx, /* extent number to update/insert */ xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ - int *logflagsp, /* inode logging flags */ - xfs_extdelta_t *delta) /* Change made to incore extents */ + int *logflagsp) /* inode logging flags */ { xfs_btree_cur_t *cur; /* btree cursor */ xfs_bmbt_rec_host_t *ep; /* extent entry for idx */ @@ -1219,8 +1158,6 @@ xfs_bmap_add_extent_unwritten_real( /* left is 0, right is 1, prev is 2 */ int rval=0; /* return value (logging flags) */ int state = 0;/* state bits, accessed thru macros */ - xfs_filblks_t temp=0; - xfs_filblks_t temp2=0; #define LEFT r[0] #define RIGHT r[1] @@ -1341,11 +1278,6 @@ xfs_bmap_add_extent_unwritten_real( RIGHT.br_blockcount, LEFT.br_state))) goto done; } - /* DELTA: Three in-core extents are replaced by one. */ - temp = LEFT.br_startoff; - temp2 = LEFT.br_blockcount + - PREV.br_blockcount + - RIGHT.br_blockcount; break; case BMAP_LEFT_FILLING | BMAP_RIGHT_FILLING | BMAP_LEFT_CONTIG: @@ -1382,10 +1314,6 @@ xfs_bmap_add_extent_unwritten_real( LEFT.br_state))) goto done; } - /* DELTA: Two in-core extents are replaced by one. */ - temp = LEFT.br_startoff; - temp2 = LEFT.br_blockcount + - PREV.br_blockcount; break; case BMAP_LEFT_FILLING | BMAP_RIGHT_FILLING | BMAP_RIGHT_CONTIG: @@ -1422,10 +1350,6 @@ xfs_bmap_add_extent_unwritten_real( newext))) goto done; } - /* DELTA: Two in-core extents are replaced by one. */ - temp = PREV.br_startoff; - temp2 = PREV.br_blockcount + - RIGHT.br_blockcount; break; case BMAP_LEFT_FILLING | BMAP_RIGHT_FILLING: @@ -1453,9 +1377,6 @@ xfs_bmap_add_extent_unwritten_real( newext))) goto done; } - /* DELTA: The in-core extent described by new changed type. */ - temp = new->br_startoff; - temp2 = new->br_blockcount; break; case BMAP_LEFT_FILLING | BMAP_LEFT_CONTIG: @@ -1501,10 +1422,6 @@ xfs_bmap_add_extent_unwritten_real( LEFT.br_state)) goto done; } - /* DELTA: The boundary between two in-core extents moved. */ - temp = LEFT.br_startoff; - temp2 = LEFT.br_blockcount + - PREV.br_blockcount; break; case BMAP_LEFT_FILLING: @@ -1544,9 +1461,6 @@ xfs_bmap_add_extent_unwritten_real( goto done; XFS_WANT_CORRUPTED_GOTO(i == 1, done); } - /* DELTA: One in-core extent is split in two. */ - temp = PREV.br_startoff; - temp2 = PREV.br_blockcount; break; case BMAP_RIGHT_FILLING | BMAP_RIGHT_CONTIG: @@ -1587,10 +1501,6 @@ xfs_bmap_add_extent_unwritten_real( newext))) goto done; } - /* DELTA: The boundary between two in-core extents moved. */ - temp = PREV.br_startoff; - temp2 = PREV.br_blockcount + - RIGHT.br_blockcount; break; case BMAP_RIGHT_FILLING: @@ -1630,9 +1540,6 @@ xfs_bmap_add_extent_unwritten_real( goto done; XFS_WANT_CORRUPTED_GOTO(i == 1, done); } - /* DELTA: One in-core extent is split in two. */ - temp = PREV.br_startoff; - temp2 = PREV.br_blockcount; break; case 0: @@ -1692,9 +1599,6 @@ xfs_bmap_add_extent_unwritten_real( goto done; XFS_WANT_CORRUPTED_GOTO(i == 1, done); } - /* DELTA: One in-core extent is split in three. */ - temp = PREV.br_startoff; - temp2 = PREV.br_blockcount; break; case BMAP_LEFT_FILLING | BMAP_LEFT_CONTIG | BMAP_RIGHT_CONTIG: @@ -1710,13 +1614,6 @@ xfs_bmap_add_extent_unwritten_real( ASSERT(0); } *curp = cur; - if (delta) { - temp2 += temp; - if (delta->xed_startoff > temp) - delta->xed_startoff = temp; - if (delta->xed_blockcount < temp2) - delta->xed_blockcount = temp2; - } done: *logflagsp = rval; return error; @@ -1736,7 +1633,6 @@ xfs_bmap_add_extent_hole_delay( xfs_extnum_t idx, /* extent number to update/insert */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ int *logflagsp, /* inode logging flags */ - xfs_extdelta_t *delta, /* Change made to incore extents */ int rsvd) /* OK to allocate reserved blocks */ { xfs_bmbt_rec_host_t *ep; /* extent record for idx */ @@ -1747,7 +1643,6 @@ xfs_bmap_add_extent_hole_delay( 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 temp2=0; ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); ep = xfs_iext_get_ext(ifp, idx); @@ -1819,9 +1714,6 @@ xfs_bmap_add_extent_hole_delay( xfs_iext_remove(ip, idx, 1, state); ip->i_df.if_lastex = idx - 1; - /* DELTA: Two in-core extents were replaced by one. */ - temp2 = temp; - temp = left.br_startoff; break; case BMAP_LEFT_CONTIG: @@ -1841,9 +1733,6 @@ xfs_bmap_add_extent_hole_delay( trace_xfs_bmap_post_update(ip, idx - 1, state, _THIS_IP_); ip->i_df.if_lastex = idx - 1; - /* DELTA: One in-core extent grew into a hole. */ - temp2 = temp; - temp = left.br_startoff; break; case BMAP_RIGHT_CONTIG: @@ -1862,9 +1751,6 @@ xfs_bmap_add_extent_hole_delay( trace_xfs_bmap_post_update(ip, idx, state, _THIS_IP_); ip->i_df.if_lastex = idx; - /* DELTA: One in-core extent grew into a hole. */ - temp2 = temp; - temp = new->br_startoff; break; case 0: @@ -1876,9 +1762,6 @@ xfs_bmap_add_extent_hole_delay( oldlen = newlen = 0; xfs_iext_insert(ip, idx, 1, new, state); ip->i_df.if_lastex = idx; - /* DELTA: A new in-core extent was added in a hole. */ - temp2 = new->br_blockcount; - temp = new->br_startoff; break; } if (oldlen != newlen) { @@ -1889,13 +1772,6 @@ xfs_bmap_add_extent_hole_delay( * Nothing to do for disk quota accounting here. */ } - if (delta) { - temp2 += temp; - if (delta->xed_startoff > temp) - delta->xed_startoff = temp; - if (delta->xed_blockcount < temp2) - delta->xed_blockcount = temp2; - } *logflagsp = 0; return 0; } @@ -1911,7 +1787,6 @@ xfs_bmap_add_extent_hole_real( xfs_btree_cur_t *cur, /* if null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ int *logflagsp, /* inode logging flags */ - xfs_extdelta_t *delta, /* Change made to incore extents */ int whichfork) /* data or attr fork */ { xfs_bmbt_rec_host_t *ep; /* pointer to extent entry ins. point */ @@ -1922,8 +1797,6 @@ xfs_bmap_add_extent_hole_real( xfs_bmbt_irec_t right; /* right neighbor extent entry */ int rval=0; /* return value (logging flags) */ int state; /* state bits, accessed thru macros */ - xfs_filblks_t temp=0; - xfs_filblks_t temp2=0; ifp = XFS_IFORK_PTR(ip, whichfork); ASSERT(idx <= ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t)); @@ -2020,11 +1893,6 @@ xfs_bmap_add_extent_hole_real( left.br_state))) goto done; } - /* DELTA: Two in-core extents were replaced by one. */ - temp = left.br_startoff; - temp2 = left.br_blockcount + - new->br_blockcount + - right.br_blockcount; break; case BMAP_LEFT_CONTIG: @@ -2056,10 +1924,6 @@ xfs_bmap_add_extent_hole_real( left.br_state))) goto done; } - /* DELTA: One in-core extent grew. */ - temp = left.br_startoff; - temp2 = left.br_blockcount + - new->br_blockcount; break; case BMAP_RIGHT_CONTIG: @@ -2092,10 +1956,6 @@ xfs_bmap_add_extent_hole_real( right.br_state))) goto done; } - /* DELTA: One in-core extent grew. */ - temp = new->br_startoff; - temp2 = new->br_blockcount + - right.br_blockcount; break; case 0: @@ -2123,18 +1983,8 @@ xfs_bmap_add_extent_hole_real( goto done; XFS_WANT_CORRUPTED_GOTO(i == 1, done); } - /* DELTA: A new extent was added in a hole. */ - temp = new->br_startoff; - temp2 = new->br_blockcount; break; } - if (delta) { - temp2 += temp; - if (delta->xed_startoff > temp) - delta->xed_startoff = temp; - if (delta->xed_blockcount < temp2) - delta->xed_blockcount = temp2; - } done: *logflagsp = rval; return error; @@ -2959,7 +2809,6 @@ xfs_bmap_del_extent( xfs_btree_cur_t *cur, /* if null, not a btree */ xfs_bmbt_irec_t *del, /* data to remove from extents */ int *logflagsp, /* inode logging flags */ - xfs_extdelta_t *delta, /* Change made to incore extents */ int whichfork, /* data or attr fork */ int rsvd) /* OK to allocate reserved blocks */ { @@ -3265,14 +3114,6 @@ xfs_bmap_del_extent( if (da_old > da_new) xfs_mod_incore_sb(mp, XFS_SBS_FDBLOCKS, (int64_t)(da_old - da_new), rsvd); - if (delta) { - /* DELTA: report the original extent. */ - if (delta->xed_startoff > got.br_startoff) - delta->xed_startoff = got.br_startoff; - if (delta->xed_blockcount < got.br_startoff+got.br_blockcount) - delta->xed_blockcount = got.br_startoff + - got.br_blockcount; - } done: *logflagsp = flags; return error; @@ -3754,9 +3595,10 @@ xfs_bmap_add_attrfork( ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS; } ASSERT(ip->i_d.di_anextents == 0); - IHOLD(ip); - xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); + + xfs_trans_ijoin_ref(tp, ip, XFS_ILOCK_EXCL); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); + switch (ip->i_d.di_format) { case XFS_DINODE_FMT_DEV: ip->i_d.di_forkoff = roundup(sizeof(xfs_dev_t), 8) >> 3; @@ -4483,8 +4325,7 @@ xfs_bmapi( xfs_extlen_t total, /* total blocks needed */ xfs_bmbt_irec_t *mval, /* output: map values */ int *nmap, /* i/o: mval size/count */ - xfs_bmap_free_t *flist, /* i/o: list extents to free */ - xfs_extdelta_t *delta) /* o: change made to incore extents */ + xfs_bmap_free_t *flist) /* i/o: list extents to free */ { xfs_fsblock_t abno; /* allocated block number */ xfs_extlen_t alen; /* allocated extent length */ @@ -4596,10 +4437,7 @@ xfs_bmapi( end = bno + len; obno = bno; bma.ip = NULL; - if (delta) { - delta->xed_startoff = NULLFILEOFF; - delta->xed_blockcount = 0; - } + while (bno < end && n < *nmap) { /* * Reading past eof, act as though there's a hole @@ -4620,19 +4458,13 @@ xfs_bmapi( * allocate the stuff asked for in this bmap call * but that wouldn't be as good. */ - if (wasdelay && !(flags & XFS_BMAPI_EXACT)) { + if (wasdelay) { alen = (xfs_extlen_t)got.br_blockcount; aoff = got.br_startoff; if (lastx != NULLEXTNUM && lastx) { ep = xfs_iext_get_ext(ifp, lastx - 1); xfs_bmbt_get_all(ep, &prev); } - } else if (wasdelay) { - alen = (xfs_extlen_t) - XFS_FILBLKS_MIN(len, - (got.br_startoff + - got.br_blockcount) - bno); - aoff = bno; } else { alen = (xfs_extlen_t) XFS_FILBLKS_MIN(len, MAXEXTLEN); @@ -4831,7 +4663,7 @@ xfs_bmapi( got.br_state = XFS_EXT_UNWRITTEN; } error = xfs_bmap_add_extent(ip, lastx, &cur, &got, - firstblock, flist, &tmp_logflags, delta, + firstblock, flist, &tmp_logflags, whichfork, (flags & XFS_BMAPI_RSVBLOCKS)); logflags |= tmp_logflags; if (error) @@ -4927,7 +4759,7 @@ xfs_bmapi( } mval->br_state = XFS_EXT_NORM; error = xfs_bmap_add_extent(ip, lastx, &cur, mval, - firstblock, flist, &tmp_logflags, delta, + firstblock, flist, &tmp_logflags, whichfork, (flags & XFS_BMAPI_RSVBLOCKS)); logflags |= tmp_logflags; if (error) @@ -5017,14 +4849,6 @@ xfs_bmapi( ASSERT(XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE || XFS_IFORK_NEXTENTS(ip, whichfork) > ifp->if_ext_max); error = 0; - if (delta && delta->xed_startoff != NULLFILEOFF) { - /* A change was actually made. - * Note that delta->xed_blockount is an offset at this - * point and needs to be converted to a block count. - */ - ASSERT(delta->xed_blockcount > delta->xed_startoff); - delta->xed_blockcount -= delta->xed_startoff; - } error0: /* * Log everything. Do this after conversion, there's no point in @@ -5136,8 +4960,6 @@ xfs_bunmapi( xfs_fsblock_t *firstblock, /* first allocated block controls a.g. for allocs */ xfs_bmap_free_t *flist, /* i/o: list extents to free */ - xfs_extdelta_t *delta, /* o: change made to incore - extents */ int *done) /* set if not done yet */ { xfs_btree_cur_t *cur; /* bmap btree cursor */ @@ -5196,10 +5018,7 @@ xfs_bunmapi( bno = start + len - 1; ep = xfs_bmap_search_extents(ip, bno, whichfork, &eof, &lastx, &got, &prev); - if (delta) { - delta->xed_startoff = NULLFILEOFF; - delta->xed_blockcount = 0; - } + /* * Check to see if the given block number is past the end of the * file, back up to the last block if so... @@ -5297,7 +5116,7 @@ xfs_bunmapi( } del.br_state = XFS_EXT_UNWRITTEN; error = xfs_bmap_add_extent(ip, lastx, &cur, &del, - firstblock, flist, &logflags, delta, + firstblock, flist, &logflags, XFS_DATA_FORK, 0); if (error) goto error0; @@ -5352,7 +5171,7 @@ xfs_bunmapi( prev.br_state = XFS_EXT_UNWRITTEN; error = xfs_bmap_add_extent(ip, lastx - 1, &cur, &prev, firstblock, flist, &logflags, - delta, XFS_DATA_FORK, 0); + XFS_DATA_FORK, 0); if (error) goto error0; goto nodelete; @@ -5361,7 +5180,7 @@ xfs_bunmapi( del.br_state = XFS_EXT_UNWRITTEN; error = xfs_bmap_add_extent(ip, lastx, &cur, &del, firstblock, flist, &logflags, - delta, XFS_DATA_FORK, 0); + XFS_DATA_FORK, 0); if (error) goto error0; goto nodelete; @@ -5414,7 +5233,7 @@ xfs_bunmapi( goto error0; } error = xfs_bmap_del_extent(ip, tp, lastx, flist, cur, &del, - &tmp_logflags, delta, whichfork, rsvd); + &tmp_logflags, whichfork, rsvd); logflags |= tmp_logflags; if (error) goto error0; @@ -5471,14 +5290,6 @@ nodelete: ASSERT(ifp->if_ext_max == XFS_IFORK_SIZE(ip, whichfork) / (uint)sizeof(xfs_bmbt_rec_t)); error = 0; - if (delta && delta->xed_startoff != NULLFILEOFF) { - /* A change was actually made. - * Note that delta->xed_blockount is an offset at this - * point and needs to be converted to a block count. - */ - ASSERT(delta->xed_blockcount > delta->xed_startoff); - delta->xed_blockcount -= delta->xed_startoff; - } error0: /* * Log everything. Do this after conversion, there's no point in @@ -5605,28 +5416,6 @@ xfs_getbmap( prealloced = 0; fixlen = 1LL << 32; } else { - /* - * If the BMV_IF_NO_DMAPI_READ interface bit specified, do - * not generate a DMAPI read event. Otherwise, if the - * DM_EVENT_READ bit is set for the file, generate a read - * event in order that the DMAPI application may do its thing - * before we return the extents. Usually this means restoring - * user file data to regions of the file that look like holes. - * - * The "old behavior" (from XFS_IOC_GETBMAP) is to not specify - * BMV_IF_NO_DMAPI_READ so that read events are generated. - * If this were not true, callers of ioctl(XFS_IOC_GETBMAP) - * could misinterpret holes in a DMAPI file as true holes, - * when in fact they may represent offline user data. - */ - if (DM_EVENT_ENABLED(ip, DM_EVENT_READ) && - !(iflags & BMV_IF_NO_DMAPI_READ)) { - error = XFS_SEND_DATA(mp, DM_EVENT_READ, ip, - 0, 0, 0, NULL); - if (error) - return XFS_ERROR(error); - } - if (ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS && ip->i_d.di_format != XFS_DINODE_FMT_BTREE && ip->i_d.di_format != XFS_DINODE_FMT_LOCAL) @@ -5713,7 +5502,7 @@ xfs_getbmap( error = xfs_bmapi(NULL, ip, XFS_BB_TO_FSBT(mp, bmv->bmv_offset), XFS_BB_TO_FSB(mp, bmv->bmv_length), bmapi_flags, NULL, 0, map, &nmap, - NULL, NULL); + NULL); if (error) goto out_free_map; ASSERT(nmap <= subnex); @@ -5859,66 +5648,34 @@ xfs_bmap_eof( } #ifdef DEBUG -STATIC -xfs_buf_t * +STATIC struct xfs_buf * xfs_bmap_get_bp( - xfs_btree_cur_t *cur, + struct xfs_btree_cur *cur, xfs_fsblock_t bno) { - int i; - xfs_buf_t *bp; + struct xfs_log_item_desc *lidp; + int i; if (!cur) - return(NULL); - - bp = NULL; - for(i = 0; i < XFS_BTREE_MAXLEVELS; i++) { - bp = cur->bc_bufs[i]; - if (!bp) break; - if (XFS_BUF_ADDR(bp) == bno) - break; /* Found it */ - } - if (i == XFS_BTREE_MAXLEVELS) - bp = NULL; - - if (!bp) { /* Chase down all the log items to see if the bp is there */ - xfs_log_item_chunk_t *licp; - xfs_trans_t *tp; - - tp = cur->bc_tp; - licp = &tp->t_items; - while (!bp && licp != NULL) { - if (xfs_lic_are_all_free(licp)) { - licp = licp->lic_next; - continue; - } - for (i = 0; i < licp->lic_unused; i++) { - xfs_log_item_desc_t *lidp; - xfs_log_item_t *lip; - xfs_buf_log_item_t *bip; - xfs_buf_t *lbp; - - if (xfs_lic_isfree(licp, i)) { - continue; - } - - lidp = xfs_lic_slot(licp, i); - lip = lidp->lid_item; - if (lip->li_type != XFS_LI_BUF) - continue; + return NULL; - bip = (xfs_buf_log_item_t *)lip; - lbp = bip->bli_buf; + for (i = 0; i < XFS_BTREE_MAXLEVELS; i++) { + if (!cur->bc_bufs[i]) + break; + if (XFS_BUF_ADDR(cur->bc_bufs[i]) == bno) + return cur->bc_bufs[i]; + } - if (XFS_BUF_ADDR(lbp) == bno) { - bp = lbp; - break; /* Found it */ - } - } - licp = licp->lic_next; - } + /* Chase down all the log items to see if the bp is there */ + list_for_each_entry(lidp, &cur->bc_tp->t_items, lid_trans) { + struct xfs_buf_log_item *bip; + bip = (struct xfs_buf_log_item *)lidp->lid_item; + if (bip->bli_item.li_type == XFS_LI_BUF && + XFS_BUF_ADDR(bip->bli_buf) == bno) + return bip->bli_buf; } - return(bp); + + return NULL; } STATIC void |