/*
- * Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like. Any license provided herein, whether implied or
- * otherwise, applies only to this software file. Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA 94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-
#include "xfs.h"
-
-#include "xfs_macros.h"
+#include "xfs_fs.h"
#include "xfs_types.h"
-#include "xfs_inum.h"
+#include "xfs_bit.h"
#include "xfs_log.h"
+#include "xfs_inum.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
#include "xfs_dir.h"
#include "xfs_dir2.h"
-#include "xfs_dmapi.h"
-#include "xfs_mount.h"
-#include "xfs_alloc_btree.h"
+#include "xfs_da_btree.h"
#include "xfs_bmap_btree.h"
+#include "xfs_alloc_btree.h"
#include "xfs_ialloc_btree.h"
-#include "xfs_btree.h"
-#include "xfs_ialloc.h"
-#include "xfs_attr_sf.h"
#include "xfs_dir_sf.h"
#include "xfs_dir2_sf.h"
+#include "xfs_attr_sf.h"
#include "xfs_dinode.h"
-#include "xfs_inode_item.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_inode_item.h"
#include "xfs_extfree_item.h"
#include "xfs_alloc.h"
#include "xfs_bmap.h"
#include "xfs_rtalloc.h"
#include "xfs_error.h"
-#include "xfs_da_btree.h"
#include "xfs_dir_leaf.h"
-#include "xfs_bit.h"
+#include "xfs_attr_leaf.h"
#include "xfs_rw.h"
#include "xfs_quota.h"
#include "xfs_trans_space.h"
xfs_bmbt_set_all(&base[to], new);
}
+/*
+ * Helper routine to reset inode di_forkoff field when switching
+ * attribute fork from local to extent format - we reset it where
+ * possible to make space available for inline data fork extents.
+ */
+STATIC void
+xfs_bmap_forkoff_reset(
+ xfs_mount_t *mp,
+ xfs_inode_t *ip,
+ int whichfork)
+{
+ if (whichfork == XFS_ATTR_FORK &&
+ (ip->i_d.di_format != XFS_DINODE_FMT_DEV) &&
+ (ip->i_d.di_format != XFS_DINODE_FMT_UUID) &&
+ ((mp->m_attroffset >> 3) > ip->i_d.di_forkoff)) {
+ ip->i_d.di_forkoff = mp->m_attroffset >> 3;
+ ip->i_df.if_ext_max = XFS_IFORK_DSIZE(ip) /
+ (uint)sizeof(xfs_bmbt_rec_t);
+ ip->i_afp->if_ext_max = XFS_IFORK_ASIZE(ip) /
+ (uint)sizeof(xfs_bmbt_rec_t);
+ }
+}
+
/*
* Convert a local file to an extents file.
* This code is out of bounds for data forks of regular files,
memcpy((char *)XFS_BUF_PTR(bp), ifp->if_u1.if_data,
ifp->if_bytes);
xfs_trans_log_buf(tp, bp, 0, ifp->if_bytes - 1);
+ xfs_bmap_forkoff_reset(args.mp, ip, whichfork);
xfs_idata_realloc(ip, -ifp->if_bytes, whichfork);
xfs_iext_realloc(ip, 1, whichfork);
ep = ifp->if_u1.if_extents;
XFS_TRANS_MOD_DQUOT_BYINO(args.mp, tp, ip,
XFS_TRANS_DQ_BCOUNT, 1L);
flags |= XFS_ILOG_FEXT(whichfork);
- } else
+ } else {
ASSERT(XFS_IFORK_NEXTENTS(ip, whichfork) == 0);
+ xfs_bmap_forkoff_reset(ip->i_mount, ip, whichfork);
+ }
ifp->if_flags &= ~XFS_IFINLINE;
ifp->if_flags |= XFS_IFEXTENTS;
XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_EXTENTS);
int /* error code */
xfs_bmap_add_attrfork(
xfs_inode_t *ip, /* incore inode pointer */
- int rsvd) /* OK to allocated reserved blocks in trans */
+ int size, /* space new attribute needs */
+ int rsvd) /* xact may use reserved blks */
{
- int blks; /* space reservation */
- int committed; /* xaction was committed */
- int error; /* error return value */
xfs_fsblock_t firstblock; /* 1st block/ag allocated */
xfs_bmap_free_t flist; /* freed extent list */
- int logflags; /* logging flags */
xfs_mount_t *mp; /* mount structure */
- unsigned long s; /* spinlock spl value */
xfs_trans_t *tp; /* transaction pointer */
+ unsigned long s; /* spinlock spl value */
+ int blks; /* space reservation */
+ int version = 1; /* superblock attr version */
+ int committed; /* xaction was committed */
+ int logflags; /* logging flags */
+ int error; /* error return value */
+ ASSERT(XFS_IFORK_Q(ip) == 0);
ASSERT(ip->i_df.if_ext_max ==
XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t));
- if (XFS_IFORK_Q(ip))
- return 0;
+
mp = ip->i_mount;
ASSERT(!XFS_NOT_DQATTACHED(mp, ip));
tp = xfs_trans_alloc(mp, XFS_TRANS_ADDAFORK);
case XFS_DINODE_FMT_LOCAL:
case XFS_DINODE_FMT_EXTENTS:
case XFS_DINODE_FMT_BTREE:
- ip->i_d.di_forkoff = mp->m_attroffset >> 3;
+ ip->i_d.di_forkoff = xfs_attr_shortform_bytesfit(ip, size);
+ if (!ip->i_d.di_forkoff)
+ ip->i_d.di_forkoff = mp->m_attroffset >> 3;
+ else if (!(mp->m_flags & XFS_MOUNT_COMPAT_ATTR))
+ version = 2;
break;
default:
ASSERT(0);
xfs_trans_log_inode(tp, ip, logflags);
if (error)
goto error2;
- if (!XFS_SB_VERSION_HASATTR(&mp->m_sb)) {
+ if (!XFS_SB_VERSION_HASATTR(&mp->m_sb) ||
+ (!XFS_SB_VERSION_HASATTR2(&mp->m_sb) && version == 2)) {
+ __int64_t sbfields = 0;
+
s = XFS_SB_LOCK(mp);
if (!XFS_SB_VERSION_HASATTR(&mp->m_sb)) {
XFS_SB_VERSION_ADDATTR(&mp->m_sb);
+ sbfields |= XFS_SB_VERSIONNUM;
+ }
+ if (!XFS_SB_VERSION_HASATTR2(&mp->m_sb) && version == 2) {
+ XFS_SB_VERSION_ADDATTR2(&mp->m_sb);
+ sbfields |= (XFS_SB_VERSIONNUM | XFS_SB_FEATURES2);
+ }
+ if (sbfields) {
XFS_SB_UNLOCK(mp, s);
- xfs_mod_sb(tp, XFS_SB_VERSIONNUM);
+ xfs_mod_sb(tp, sbfields);
} else
XFS_SB_UNLOCK(mp, s);
}
* (a signed 32-bit number, xfs_extnum_t), or by di_anextents
* (a signed 16-bit number, xfs_aextnum_t).
*/
- maxleafents = (whichfork == XFS_DATA_FORK) ? MAXEXTNUM : MAXAEXTNUM;
+ if (whichfork == XFS_DATA_FORK) {
+ maxleafents = MAXEXTNUM;
+ sz = (mp->m_flags & XFS_MOUNT_COMPAT_ATTR) ?
+ mp->m_attroffset : XFS_BMDR_SPACE_CALC(MINDBTPTRS);
+ } else {
+ maxleafents = MAXAEXTNUM;
+ sz = (mp->m_flags & XFS_MOUNT_COMPAT_ATTR) ?
+ mp->m_sb.sb_inodesize - mp->m_attroffset :
+ XFS_BMDR_SPACE_CALC(MINABTPTRS);
+ }
+ maxrootrecs = (int)XFS_BTREE_BLOCK_MAXRECS(sz, xfs_bmdr, 0);
minleafrecs = mp->m_bmap_dmnr[0];
minnoderecs = mp->m_bmap_dmnr[1];
- sz = (whichfork == XFS_DATA_FORK) ?
- mp->m_attroffset :
- mp->m_sb.sb_inodesize - mp->m_attroffset;
- maxrootrecs = (int)XFS_BTREE_BLOCK_MAXRECS(sz, xfs_bmdr, 0);
maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs;
for (level = 1; maxblocks > 1; level++) {
if (maxblocks <= maxrootrecs)
xfs_extlen_t alen; /* allocated extent length */
xfs_fileoff_t aoff; /* allocated file offset */
xfs_bmalloca_t bma; /* args for xfs_bmap_alloc */
- char contig; /* allocation must be one extent */
xfs_btree_cur_t *cur; /* bmap btree cursor */
- char delay; /* this request is for delayed alloc */
xfs_fileoff_t end; /* end of mapped file region */
int eof; /* we've hit the end of extent list */
+ char contig; /* allocation must be one extent */
+ char delay; /* this request is for delayed alloc */
+ char exact; /* don't do all of wasdelayed extent */
xfs_bmbt_rec_t *ep; /* extent list entry pointer */
int error; /* error return */
- char exact; /* don't do all of wasdelayed extent */
xfs_bmbt_irec_t got; /* current extent list record */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_extlen_t indlen; /* indirect blocks length */
- char inhole; /* current location is hole in file */
xfs_extnum_t lastx; /* last useful extent number */
int logflags; /* flags for transaction logging */
xfs_extlen_t minleft; /* min blocks left after allocation */
xfs_extnum_t nextents; /* number of extents in file */
xfs_fileoff_t obno; /* old block number (offset) */
xfs_bmbt_irec_t prev; /* previous extent list record */
- char stateless; /* ignore state flag set */
int tmp_logflags; /* temp flags holder */
+ int whichfork; /* data or attr fork */
+ char inhole; /* current location is hole in file */
+ char stateless; /* ignore state flag set */
char trim; /* output trimmed to match range */
char userdata; /* allocating non-metadata */
char wasdelay; /* old extent was delayed */
- int whichfork; /* data or attr fork */
char wr; /* this is a write request */
+ char rt; /* this is a realtime file */
char rsvd; /* OK to allocate reserved blocks */
#ifdef DEBUG
xfs_fileoff_t orig_bno; /* original block number value */
}
if (XFS_FORCED_SHUTDOWN(mp))
return XFS_ERROR(EIO);
+ rt = XFS_IS_REALTIME_INODE(ip);
ifp = XFS_IFORK_PTR(ip, whichfork);
ASSERT(ifp->if_ext_max ==
XFS_IFORK_SIZE(ip, whichfork) / (uint)sizeof(xfs_bmbt_rec_t));
}
minlen = contig ? alen : 1;
if (delay) {
- indlen = (xfs_extlen_t)
- xfs_bmap_worst_indlen(ip, alen);
- ASSERT(indlen > 0);
+ xfs_extlen_t extsz = 0;
+
+ /* Figure out the extent size, adjust alen */
+ if (rt) {
+ if (!(extsz = ip->i_d.di_extsize))
+ extsz = mp->m_sb.sb_rextsize;
+ alen = roundup(alen, extsz);
+ extsz = alen / mp->m_sb.sb_rextsize;
+ }
+
/*
* Make a transaction-less quota reservation for
* delayed allocation blocks. This number gets
* We return EDQUOT if we haven't allocated
* blks already inside this loop;
*/
- if (XFS_TRANS_RESERVE_BLKQUOTA(
- mp, NULL, ip, (long)alen)) {
+ if (XFS_TRANS_RESERVE_QUOTA_NBLKS(
+ mp, NULL, ip, (long)alen, 0,
+ rt ? XFS_QMOPT_RES_RTBLKS :
+ XFS_QMOPT_RES_REGBLKS)) {
if (n == 0) {
*nmap = 0;
ASSERT(cur == NULL);
* Split changing sb for alen and indlen since
* they could be coming from different places.
*/
- if (ip->i_d.di_flags & XFS_DIFLAG_REALTIME) {
- xfs_extlen_t extsz;
- xfs_extlen_t ralen;
- if (!(extsz = ip->i_d.di_extsize))
- extsz = mp->m_sb.sb_rextsize;
- ralen = roundup(alen, extsz);
- ralen = ralen / mp->m_sb.sb_rextsize;
- if (xfs_mod_incore_sb(mp,
- XFS_SBS_FREXTENTS,
- -(ralen), rsvd)) {
- if (XFS_IS_QUOTA_ON(ip->i_mount))
- XFS_TRANS_UNRESERVE_BLKQUOTA(
- mp, NULL, ip,
- (long)alen);
- break;
- }
- } else {
- if (xfs_mod_incore_sb(mp,
- XFS_SBS_FDBLOCKS,
- -(alen), rsvd)) {
- if (XFS_IS_QUOTA_ON(ip->i_mount))
- XFS_TRANS_UNRESERVE_BLKQUOTA(
- mp, NULL, ip,
- (long)alen);
- break;
+ indlen = (xfs_extlen_t)
+ xfs_bmap_worst_indlen(ip, alen);
+ ASSERT(indlen > 0);
+
+ if (rt)
+ error = xfs_mod_incore_sb(mp,
+ XFS_SBS_FREXTENTS,
+ -(extsz), rsvd);
+ else
+ error = xfs_mod_incore_sb(mp,
+ XFS_SBS_FDBLOCKS,
+ -(alen), rsvd);
+ if (!error) {
+ error = xfs_mod_incore_sb(mp,
+ XFS_SBS_FDBLOCKS,
+ -(indlen), rsvd);
+ if (error && rt) {
+ xfs_mod_incore_sb(ip->i_mount,
+ XFS_SBS_FREXTENTS,
+ extsz, rsvd);
+ } else if (error) {
+ xfs_mod_incore_sb(ip->i_mount,
+ XFS_SBS_FDBLOCKS,
+ alen, rsvd);
}
}
- if (xfs_mod_incore_sb(mp, XFS_SBS_FDBLOCKS,
- -(indlen), rsvd)) {
- XFS_TRANS_UNRESERVE_BLKQUOTA(
- mp, NULL, ip, (long)alen);
+ if (error) {
+ if (XFS_IS_QUOTA_ON(ip->i_mount))
+ /* unreserve the blocks now */
+ XFS_TRANS_UNRESERVE_QUOTA_NBLKS(
+ mp, NULL, ip,
+ (long)alen, 0, rt ?
+ XFS_QMOPT_RES_RTBLKS :
+ XFS_QMOPT_RES_REGBLKS);
break;
}
+
ip->i_delayed_blks += alen;
abno = NULLSTARTBLOCK(indlen);
} else {
}
if (wasdel) {
ASSERT(STARTBLOCKVAL(del.br_startblock) > 0);
- xfs_mod_incore_sb(mp, XFS_SBS_FDBLOCKS,
- (int)del.br_blockcount, rsvd);
- /* Unreserve our quota space */
- XFS_TRANS_RESERVE_QUOTA_NBLKS(
- mp, NULL, ip, -((long)del.br_blockcount), 0,
- isrt ? XFS_QMOPT_RES_RTBLKS :
+ /* Update realtim/data freespace, unreserve quota */
+ if (isrt) {
+ xfs_filblks_t rtexts;
+
+ rtexts = XFS_FSB_TO_B(mp, del.br_blockcount);
+ do_div(rtexts, mp->m_sb.sb_rextsize);
+ xfs_mod_incore_sb(mp, XFS_SBS_FREXTENTS,
+ (int)rtexts, rsvd);
+ XFS_TRANS_RESERVE_QUOTA_NBLKS(mp, NULL, ip,
+ -((long)del.br_blockcount), 0,
+ XFS_QMOPT_RES_RTBLKS);
+ } else {
+ xfs_mod_incore_sb(mp, XFS_SBS_FDBLOCKS,
+ (int)del.br_blockcount, rsvd);
+ XFS_TRANS_RESERVE_QUOTA_NBLKS(mp, NULL, ip,
+ -((long)del.br_blockcount), 0,
XFS_QMOPT_RES_REGBLKS);
+ }
ip->i_delayed_blks -= del.br_blockcount;
if (cur)
cur->bc_private.b.flags |=
out.bmv_offset = XFS_FSB_TO_BB(mp, map[i].br_startoff);
out.bmv_length = XFS_FSB_TO_BB(mp, map[i].br_blockcount);
ASSERT(map[i].br_startblock != DELAYSTARTBLOCK);
- if (prealloced &&
- map[i].br_startblock == HOLESTARTBLOCK &&
- out.bmv_offset + out.bmv_length == bmvend) {
- /*
- * came to hole at end of file
- */
+ if (map[i].br_startblock == HOLESTARTBLOCK &&
+ ((prealloced && out.bmv_offset + out.bmv_length == bmvend) ||
+ whichfork == XFS_ATTR_FORK )) {
+ /*
+ * came to hole at end of file or the end of
+ attribute fork
+ */
goto unlock_and_return;
} else {
out.bmv_block =
xfs_trans_brelse(NULL, bp);
error_norelse:
cmn_err(CE_WARN, "%s: BAD after btree leaves for %d extents",
- i, __FUNCTION__);
+ __FUNCTION__, i);
panic("%s: CORRUPTED BTREE OR SOMETHING", __FUNCTION__);
return;
}
projects / linux-2.6 / blobdiff