diff options
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_bmap.c | 92 | ||||
| -rw-r--r-- | fs/xfs/xfs_bmap.h | 4 | ||||
| -rw-r--r-- | fs/xfs/xfs_filestream.c | 2 | 
3 files changed, 48 insertions, 50 deletions
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 68edf99bfad..608a0013791 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -2006,9 +2006,9 @@ 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->firstblock == NULLFSBLOCK;  	rt = XFS_IS_REALTIME_INODE(ap->ip) && ap->userdata; -	fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, ap->firstblock); +	fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, *ap->firstblock);  	/*  	 * If allocating at eof, and there's a previous real block,  	 * try to use its last block as our starting point. @@ -2380,8 +2380,8 @@ xfs_bmap_btalloc(  		ASSERT(!error);  		ASSERT(ap->alen);  	} -	nullfb = ap->firstblock == NULLFSBLOCK; -	fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, ap->firstblock); +	nullfb = *ap->firstblock == NULLFSBLOCK; +	fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, *ap->firstblock);  	if (nullfb) {  		if (ap->userdata && xfs_inode_is_filestream(ap->ip)) {  			ag = xfs_filestream_lookup_ag(ap->ip); @@ -2391,7 +2391,7 @@ xfs_bmap_btalloc(  			ap->rval = XFS_INO_TO_FSB(mp, ap->ip->i_ino);  		}  	} else -		ap->rval = ap->firstblock; +		ap->rval = *ap->firstblock;  	xfs_bmap_adjacent(ap); @@ -2402,7 +2402,7 @@ xfs_bmap_btalloc(  	if (nullfb || XFS_FSB_TO_AGNO(mp, ap->rval) == fb_agno)  		;  	else -		ap->rval = ap->firstblock; +		ap->rval = *ap->firstblock;  	/*  	 * Normal allocation, done through xfs_alloc_vextent.  	 */ @@ -2413,13 +2413,13 @@ xfs_bmap_btalloc(  	/* Trim the allocation back to the maximum an AG can fit. */  	args.maxlen = MIN(ap->alen, XFS_ALLOC_AG_MAX_USABLE(mp)); -	args.firstblock = ap->firstblock; +	args.firstblock = *ap->firstblock;  	blen = 0;  	if (nullfb) {  		error = xfs_bmap_btalloc_nullfb(ap, &args, &blen);  		if (error)  			return error; -	} else if (ap->low) { +	} else if (ap->flist->xbf_low) {  		if (xfs_inode_is_filestream(ap->ip))  			args.type = XFS_ALLOCTYPE_FIRST_AG;  		else @@ -2452,7 +2452,7 @@ xfs_bmap_btalloc(  	 * is >= the stripe unit and the allocation offset is  	 * at the end of file.  	 */ -	if (!ap->low && ap->aeof) { +	if (!ap->flist->xbf_low && ap->aeof) {  		if (!ap->off) {  			args.alignment = mp->m_dalign;  			atype = args.type; @@ -2540,12 +2540,25 @@ xfs_bmap_btalloc(  		args.minleft = 0;  		if ((error = xfs_alloc_vextent(&args)))  			return error; -		ap->low = 1; +		ap->flist->xbf_low = 1;  	}  	if (args.fsbno != NULLFSBLOCK) { -		ap->firstblock = ap->rval = args.fsbno; +		/* +		 * 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) == +		       XFS_FSB_TO_AGNO(mp, args.fsbno) || +		       (ap->flist->xbf_low && +			XFS_FSB_TO_AGNO(mp, *ap->firstblock) < +			XFS_FSB_TO_AGNO(mp, args.fsbno))); + +		ap->rval = args.fsbno; +		if (*ap->firstblock == NULLFSBLOCK) +			*ap->firstblock = args.fsbno;  		ASSERT(nullfb || fb_agno == args.agno || -		       (ap->low && fb_agno < args.agno)); +		       (ap->flist->xbf_low && fb_agno < args.agno));  		ap->alen = args.len;  		ap->ip->i_d.di_nblocks += args.len;  		xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE); @@ -4596,8 +4609,6 @@ xfs_bmapi_allocate(  	struct xfs_bmalloca	*bma,  	xfs_extnum_t		*lastx,  	struct xfs_btree_cur	**cur, -	xfs_fsblock_t		*firstblock, -	struct xfs_bmap_free	*flist,  	int			flags,  	int			*nallocs,  	int			*logflags) @@ -4647,9 +4658,7 @@ xfs_bmapi_allocate(  	 */  	bma->alen = alen;  	bma->off = aoff; -	bma->firstblock = *firstblock;  	bma->minlen = (flags & XFS_BMAPI_CONTIG) ? alen : 1; -	bma->low = flist->xbf_low;  	bma->aeof = 0;  	/* @@ -4671,24 +4680,18 @@ xfs_bmapi_allocate(  	 * Copy out result fields.  	 */  	abno = bma->rval; -	flist->xbf_low = bma->low;  	alen = bma->alen;  	aoff = bma->off; -	ASSERT(*firstblock == NULLFSBLOCK || -	       XFS_FSB_TO_AGNO(mp, *firstblock) == -	       XFS_FSB_TO_AGNO(mp, bma->firstblock) || -	       (flist->xbf_low && -		XFS_FSB_TO_AGNO(mp, *firstblock) < -			XFS_FSB_TO_AGNO(mp, bma->firstblock))); -	*firstblock = bma->firstblock; +	if (bma->flist->xbf_low) +		bma->minleft = 0;  	if (*cur) -		(*cur)->bc_private.b.firstblock = *firstblock; +		(*cur)->bc_private.b.firstblock = *bma->firstblock;  	if (abno == NULLFSBLOCK)  		return 0;  	if ((ifp->if_flags & XFS_IFBROOT) && !*cur) {  		(*cur) = xfs_bmbt_init_cursor(mp, bma->tp, bma->ip, whichfork); -		(*cur)->bc_private.b.firstblock = *firstblock; -		(*cur)->bc_private.b.flist = flist; +		(*cur)->bc_private.b.firstblock = *bma->firstblock; +		(*cur)->bc_private.b.flist = bma->flist;  	}  	/*  	 * Bump the number of extents we've allocated @@ -4715,11 +4718,12 @@ xfs_bmapi_allocate(  	if (bma->wasdel) {  		error = xfs_bmap_add_extent_delay_real(bma->tp, bma->ip, lastx, -				cur, &bma->got, firstblock, flist, logflags); +				cur, &bma->got, bma->firstblock, bma->flist, +				logflags);  	} else {  		error = xfs_bmap_add_extent_hole_real(bma->tp, bma->ip, lastx, -				cur, &bma->got, firstblock, flist, logflags, -				whichfork); +				cur, &bma->got, bma->firstblock, bma->flist, +				logflags, whichfork);  	}  	if (error) @@ -4746,8 +4750,6 @@ xfs_bmapi_convert_unwritten(  	xfs_filblks_t		len,  	xfs_extnum_t		*lastx,  	struct xfs_btree_cur	**cur, -	xfs_fsblock_t		*firstblock, -	struct xfs_bmap_free	*flist,  	int			flags,  	int			*logflags)  { @@ -4776,14 +4778,14 @@ xfs_bmapi_convert_unwritten(  	if ((ifp->if_flags & XFS_IFBROOT) && !*cur) {  		*cur = xfs_bmbt_init_cursor(bma->ip->i_mount, bma->tp,  					bma->ip, whichfork); -		(*cur)->bc_private.b.firstblock = *firstblock; -		(*cur)->bc_private.b.flist = flist; +		(*cur)->bc_private.b.firstblock = *bma->firstblock; +		(*cur)->bc_private.b.flist = bma->flist;  	}  	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, -			cur, mval, firstblock, flist, logflags); +			cur, mval, bma->firstblock, bma->flist, logflags);  	if (error)  		return error; @@ -4838,7 +4840,6 @@ xfs_bmapi_write(  	int			error;		/* error return */  	xfs_extnum_t		lastx;		/* last useful extent number */  	int			logflags;	/* flags for transaction logging */ -	xfs_extlen_t		minleft;	/* min blocks left after allocation */  	int			n;		/* current extent index */  	int			nallocs;	/* number of extents alloc'd */  	xfs_fileoff_t		obno;		/* old block number (offset) */ @@ -4900,11 +4901,11 @@ xfs_bmapi_write(  	if (*firstblock == NULLFSBLOCK) {  		if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE) -			minleft = be16_to_cpu(ifp->if_broot->bb_level) + 1; +			bma.minleft = be16_to_cpu(ifp->if_broot->bb_level) + 1;  		else -			minleft = 1; +			bma.minleft = 1;  	} else { -		minleft = 0; +		bma.minleft = 0;  	}  	if (!(ifp->if_flags & XFS_IFEXTENTS)) { @@ -4923,6 +4924,8 @@ xfs_bmapi_write(  	bma.ip = ip;  	bma.total = total;  	bma.userdata = 0; +	bma.flist = flist; +	bma.firstblock = firstblock;  	while (bno < end && n < *nmap) {  		inhole = eof || bma.got.br_startoff > bno; @@ -4938,16 +4941,12 @@ xfs_bmapi_write(  			bma.wasdel = wasdelay;  			bma.alen = len;  			bma.off = bno; -			bma.minleft = minleft; -			error = xfs_bmapi_allocate(&bma, &lastx, &cur, -					firstblock, flist, flags, &nallocs, -					&tmp_logflags); +			error = xfs_bmapi_allocate(&bma, &lastx, &cur, flags, +					&nallocs, &tmp_logflags);  			logflags |= tmp_logflags;  			if (error)  				goto error0; -			if (flist && flist->xbf_low) -				minleft = 0;  			if (bma.rval == NULLFSBLOCK)  				break;  		} @@ -4958,8 +4957,7 @@ xfs_bmapi_write(  		/* Execute unwritten extent conversion if necessary */  		error = xfs_bmapi_convert_unwritten(&bma, mval, len, &lastx, -						    &cur, firstblock, flist, -						    flags, &tmp_logflags); +						    &cur, flags, &tmp_logflags);  		logflags |= tmp_logflags;  		if (error == EAGAIN)  			continue; diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h index 6e8f8aee7cd..6e7c7a50d24 100644 --- a/fs/xfs/xfs_bmap.h +++ b/fs/xfs/xfs_bmap.h @@ -109,7 +109,8 @@ static inline void xfs_bmap_init(xfs_bmap_free_t *flp, xfs_fsblock_t *fbp)   * Argument structure for xfs_bmap_alloc.   */  typedef struct xfs_bmalloca { -	xfs_fsblock_t		firstblock; /* i/o first block allocated */ +	xfs_fsblock_t		*firstblock; /* i/o first block allocated */ +	struct xfs_bmap_free	*flist;	/* bmap freelist */  	xfs_fsblock_t		rval;	/* starting block of new extent */  	xfs_fileoff_t		off;	/* offset in file filling in */  	struct xfs_trans	*tp;	/* transaction pointer */ @@ -123,7 +124,6 @@ typedef struct xfs_bmalloca {  	char			eof;	/* set if allocating past last extent */  	char			wasdel;	/* replacing a delayed allocation */  	char			userdata;/* set if is user data */ -	char			low;	/* low on space, using seq'l ags */  	char			aeof;	/* allocated space at eof */  	char			conv;	/* overwriting unwritten extents */  } xfs_bmalloca_t; diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c index 3ff3d9e23de..137f957b8c7 100644 --- a/fs/xfs/xfs_filestream.c +++ b/fs/xfs/xfs_filestream.c @@ -761,7 +761,7 @@ xfs_filestream_new_ag(  	 */  	ag = (ag == NULLAGNUMBER) ? 0 : (ag + 1) % mp->m_sb.sb_agcount;  	flags = (ap->userdata ? XFS_PICK_USERDATA : 0) | -	        (ap->low ? XFS_PICK_LOWSPACE : 0); +	        (ap->flist->xbf_low ? XFS_PICK_LOWSPACE : 0);  	err = _xfs_filestream_pick_ag(mp, ag, agp, flags, minlen);  	if (err || *agp == NULLAGNUMBER)  |