diff options
Diffstat (limited to 'fs/xfs/xfs_bmap.c')
| -rw-r--r-- | fs/xfs/xfs_bmap.c | 47 |
1 files changed, 21 insertions, 26 deletions
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index a54326bf9aa..3ef14530727 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -4607,9 +4607,7 @@ xfs_bmapi_delay( STATIC int xfs_bmapi_allocate( struct xfs_bmalloca *bma, - xfs_extnum_t *lastx, int flags, - int *nallocs, int *logflags) { struct xfs_mount *mp = bma->ip->i_mount; @@ -4628,8 +4626,8 @@ xfs_bmapi_allocate( if (bma->wasdel) { bma->length = (xfs_extlen_t)bma->got.br_blockcount; bma->offset = bma->got.br_startoff; - if (*lastx != NULLEXTNUM && *lastx) { - xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *lastx - 1), + if (bma->idx != NULLEXTNUM && bma->idx) { + xfs_bmbt_get_all(xfs_iext_get_ext(ifp, bma->idx - 1), &bma->prev); } } else { @@ -4680,7 +4678,7 @@ xfs_bmapi_allocate( * Bump the number of extents we've allocated * in this call. */ - (*nallocs)++; + bma->nallocs++; if (bma->cur) bma->cur->bc_private.b.flags = @@ -4700,13 +4698,14 @@ xfs_bmapi_allocate( bma->got.br_state = XFS_EXT_UNWRITTEN; if (bma->wasdel) { - error = xfs_bmap_add_extent_delay_real(bma->tp, bma->ip, lastx, - &bma->cur, &bma->got, bma->firstblock, - bma->flist, logflags); + error = xfs_bmap_add_extent_delay_real(bma->tp, bma->ip, + &bma->idx, &bma->cur, &bma->got, + bma->firstblock, bma->flist, logflags); } else { - error = xfs_bmap_add_extent_hole_real(bma->tp, bma->ip, lastx, - &bma->cur, &bma->got, bma->firstblock, - bma->flist, logflags, whichfork); + error = xfs_bmap_add_extent_hole_real(bma->tp, bma->ip, + &bma->idx, &bma->cur, &bma->got, + bma->firstblock, bma->flist, logflags, + whichfork); } if (error) @@ -4717,7 +4716,7 @@ xfs_bmapi_allocate( * or xfs_bmap_add_extent_hole_real might have merged it into one of * the neighbouring ones. */ - xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *lastx), &bma->got); + xfs_bmbt_get_all(xfs_iext_get_ext(ifp, bma->idx), &bma->got); ASSERT(bma->got.br_startoff <= bma->offset); ASSERT(bma->got.br_startoff + bma->got.br_blockcount >= @@ -4732,7 +4731,6 @@ xfs_bmapi_convert_unwritten( struct xfs_bmalloca *bma, struct xfs_bmbt_irec *mval, xfs_filblks_t len, - xfs_extnum_t *lastx, int flags, int *logflags) { @@ -4767,7 +4765,7 @@ xfs_bmapi_convert_unwritten( mval->br_state = (mval->br_state == XFS_EXT_UNWRITTEN) ? XFS_EXT_NORM : XFS_EXT_UNWRITTEN; - error = xfs_bmap_add_extent_unwritten_real(bma->tp, bma->ip, lastx, + error = xfs_bmap_add_extent_unwritten_real(bma->tp, bma->ip, &bma->idx, &bma->cur, mval, bma->firstblock, bma->flist, logflags); if (error) return error; @@ -4777,7 +4775,7 @@ xfs_bmapi_convert_unwritten( * xfs_bmap_add_extent_unwritten_real might have merged it into one * of the neighbouring ones. */ - xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *lastx), &bma->got); + xfs_bmbt_get_all(xfs_iext_get_ext(ifp, bma->idx), &bma->got); /* * We may have combined previously unwritten space with written space, @@ -4820,10 +4818,8 @@ xfs_bmapi_write( xfs_fileoff_t end; /* end of mapped file region */ int eof; /* after the end of extents */ int error; /* error return */ - xfs_extnum_t lastx; /* last useful extent number */ int logflags; /* flags for transaction logging */ int n; /* current extent index */ - int nallocs; /* number of extents alloc'd */ xfs_fileoff_t obno; /* old block number (offset) */ int tmp_logflags; /* temp flags holder */ int whichfork; /* data or attr fork */ @@ -4871,7 +4867,6 @@ xfs_bmapi_write( XFS_STATS_INC(xs_blk_mapw); logflags = 0; - nallocs = 0; if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL) { error = xfs_bmap_local_to_extents(tp, ip, firstblock, total, @@ -4895,7 +4890,7 @@ xfs_bmapi_write( goto error0; } - xfs_bmap_search_extents(ip, bno, whichfork, &eof, &lastx, &bma.got, + xfs_bmap_search_extents(ip, bno, whichfork, &eof, &bma.idx, &bma.got, &bma.prev); n = 0; end = bno + len; @@ -4923,8 +4918,7 @@ xfs_bmapi_write( bma.length = len; bma.offset = bno; - error = xfs_bmapi_allocate(&bma, &lastx, flags, - &nallocs, &tmp_logflags); + error = xfs_bmapi_allocate(&bma, flags, &tmp_logflags); logflags |= tmp_logflags; if (error) goto error0; @@ -4937,7 +4931,7 @@ xfs_bmapi_write( end, n, flags); /* Execute unwritten extent conversion if necessary */ - error = xfs_bmapi_convert_unwritten(&bma, mval, len, &lastx, + error = xfs_bmapi_convert_unwritten(&bma, mval, len, flags, &tmp_logflags); logflags |= tmp_logflags; if (error == EAGAIN) @@ -4953,14 +4947,15 @@ xfs_bmapi_write( * XFS_BMAP_MAX_NMAP extents no matter what. Otherwise * the transaction may get too big. */ - if (bno >= end || n >= *nmap || nallocs >= *nmap) + if (bno >= end || n >= *nmap || bma.nallocs >= *nmap) break; /* Else go on to the next record. */ bma.prev = bma.got; - if (++lastx < ifp->if_bytes / sizeof(xfs_bmbt_rec_t)) - xfs_bmbt_get_all(xfs_iext_get_ext(ifp, lastx), &bma.got); - else + if (++bma.idx < ifp->if_bytes / sizeof(xfs_bmbt_rec_t)) { + xfs_bmbt_get_all(xfs_iext_get_ext(ifp, bma.idx), + &bma.got); + } else eof = 1; } *nmap = n; |