1 |
1275 |
phoenix |
/*
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* Copyright (C) International Business Machines Corp., 2000-2003
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/fs.h>
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20 |
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#include <linux/locks.h>
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21 |
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22 |
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#include "jfs_incore.h"
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23 |
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#include "jfs_filsys.h"
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24 |
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#include "jfs_metapage.h"
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25 |
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#include "jfs_dinode.h"
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26 |
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#include "jfs_imap.h"
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#include "jfs_dmap.h"
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28 |
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#include "jfs_superblock.h"
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#include "jfs_txnmgr.h"
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#include "jfs_debug.h"
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31 |
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32 |
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extern s64 jfs_get_volume_size(struct super_block *);
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33 |
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34 |
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#define BITSPERPAGE (PSIZE << 3)
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#define L2MEGABYTE 20
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#define MEGABYTE (1 << L2MEGABYTE)
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37 |
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#define MEGABYTE32 (MEGABYTE << 5)
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38 |
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39 |
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/* convert block number to bmap file page number */
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40 |
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#define BLKTODMAPN(b)\
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(((b) >> 13) + ((b) >> 23) + ((b) >> 33) + 3 + 1)
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42 |
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43 |
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/*
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* jfs_extendfs()
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*
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* function: extend file system;
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*
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48 |
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* |-------------------------------|----------|----------|
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49 |
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* file system space fsck inline log
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50 |
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* workspace space
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51 |
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*
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52 |
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* input:
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53 |
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* new LVSize: in LV blocks (required)
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* new LogSize: in LV blocks (optional)
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* new FSSize: in LV blocks (optional)
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*
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* new configuration:
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* 1. set new LogSize as specified or default from new LVSize;
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* 2. compute new FSCKSize from new LVSize;
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* 3. set new FSSize as MIN(FSSize, LVSize-(LogSize+FSCKSize)) where
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* assert(new FSSize >= old FSSize),
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* i.e., file system must not be shrinked;
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*/
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int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
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{
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int rc = 0;
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struct jfs_sb_info *sbi = JFS_SBI(sb);
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struct inode *ipbmap = sbi->ipbmap;
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struct inode *ipbmap2;
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struct inode *ipimap = sbi->ipimap;
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struct jfs_log *log = sbi->log;
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struct bmap *bmp = sbi->bmap;
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s64 newLogAddress, newFSCKAddress;
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int newFSCKSize;
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s64 newMapSize = 0, mapSize;
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s64 XAddress, XSize, nblocks, xoff, xaddr, t64;
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s64 oldLVSize;
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78 |
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s64 newFSSize;
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79 |
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s64 VolumeSize;
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80 |
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int newNpages = 0, nPages, newPage, xlen, t32;
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81 |
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int tid;
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82 |
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int log_formatted = 0;
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struct inode *iplist[1];
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struct jfs_superblock *j_sb, *j_sb2;
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85 |
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uint old_agsize;
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86 |
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struct buffer_head *bh, *bh2;
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88 |
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/* If the volume hasn't grown, get out now */
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90 |
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if (sbi->mntflag & JFS_INLINELOG)
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oldLVSize = addressPXD(&sbi->logpxd) + lengthPXD(&sbi->logpxd);
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else
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oldLVSize = addressPXD(&sbi->fsckpxd) +
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lengthPXD(&sbi->fsckpxd);
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96 |
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if (oldLVSize >= newLVSize) {
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printk(KERN_WARNING
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"jfs_extendfs: volume hasn't grown, returning\n");
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goto out;
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100 |
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}
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101 |
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102 |
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VolumeSize = jfs_get_volume_size(sb);
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if (VolumeSize) {
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if (newLVSize > VolumeSize) {
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printk(KERN_WARNING "jfs_extendfs: invalid size\n");
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rc = -EINVAL;
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goto out;
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}
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} else {
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110 |
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/* check the device */
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bh = sb_bread(sb, newLVSize - 1);
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if (!bh) {
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printk(KERN_WARNING "jfs_extendfs: invalid size\n");
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rc = -EINVAL;
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goto out;
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116 |
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}
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117 |
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bforget(bh);
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118 |
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}
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120 |
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/* Can't extend write-protected drive */
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if (isReadOnly(ipbmap)) {
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printk(KERN_WARNING "jfs_extendfs: read-only file system\n");
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rc = -EROFS;
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goto out;
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126 |
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}
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127 |
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/*
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* reconfigure LV spaces
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* ---------------------
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*
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* validate new size, or, if not specified, determine new size
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*/
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/*
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* reconfigure inline log space:
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*/
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138 |
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if ((sbi->mntflag & JFS_INLINELOG)) {
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if (newLogSize == 0) {
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/*
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* no size specified: default to 1/256 of aggregate
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* size; rounded up to a megabyte boundary;
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*/
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144 |
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newLogSize = newLVSize >> 8;
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t32 = (1 << (20 - sbi->l2bsize)) - 1;
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newLogSize = (newLogSize + t32) & ~t32;
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147 |
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newLogSize =
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148 |
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min(newLogSize, MEGABYTE32 >> sbi->l2bsize);
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} else {
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150 |
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/*
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* convert the newLogSize to fs blocks.
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152 |
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*
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* Since this is given in megabytes, it will always be
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* an even number of pages.
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*/
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newLogSize = (newLogSize * MEGABYTE) >> sbi->l2bsize;
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}
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159 |
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} else
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160 |
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newLogSize = 0;
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161 |
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162 |
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newLogAddress = newLVSize - newLogSize;
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/*
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* reconfigure fsck work space:
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*
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* configure it to the end of the logical volume regardless of
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* whether file system extends to the end of the aggregate;
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169 |
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* Need enough 4k pages to cover:
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* - 1 bit per block in aggregate rounded up to BPERDMAP boundary
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* - 1 extra page to handle control page and intermediate level pages
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* - 50 extra pages for the chkdsk service log
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173 |
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*/
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t64 = ((newLVSize - newLogSize + BPERDMAP - 1) >> L2BPERDMAP)
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175 |
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<< L2BPERDMAP;
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176 |
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t32 = ((t64 + (BITSPERPAGE - 1)) / BITSPERPAGE) + 1 + 50;
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177 |
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newFSCKSize = t32 << sbi->l2nbperpage;
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178 |
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newFSCKAddress = newLogAddress - newFSCKSize;
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179 |
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180 |
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/*
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181 |
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* compute new file system space;
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182 |
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*/
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183 |
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newFSSize = newLVSize - newLogSize - newFSCKSize;
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184 |
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185 |
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/* file system cannot be shrinked */
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186 |
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if (newFSSize < bmp->db_mapsize) {
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187 |
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rc = -EINVAL;
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188 |
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goto out;
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189 |
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}
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190 |
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191 |
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/*
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192 |
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* If we're expanding enough that the inline log does not overlap
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193 |
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* the old one, we can format the new log before we quiesce the
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194 |
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* filesystem.
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195 |
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*/
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196 |
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if ((sbi->mntflag & JFS_INLINELOG) && (newLogAddress > oldLVSize)) {
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197 |
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if ((rc = lmLogFormat(log, newLogAddress, newLogSize)))
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198 |
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goto out;
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199 |
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log_formatted = 1;
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200 |
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}
|
201 |
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/*
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202 |
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* quiesce file system
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203 |
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*
|
204 |
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* (prepare to move the inline log and to prevent map update)
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205 |
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*
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206 |
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* block any new transactions and wait for completion of
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207 |
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* all wip transactions and flush modified pages s.t.
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208 |
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* on-disk file system is in consistent state and
|
209 |
|
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* log is not required for recovery.
|
210 |
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*/
|
211 |
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txQuiesce(sb);
|
212 |
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|
213 |
|
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if (sbi->mntflag & JFS_INLINELOG) {
|
214 |
|
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/*
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215 |
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* deactivate old inline log
|
216 |
|
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*/
|
217 |
|
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lmLogShutdown(log);
|
218 |
|
|
|
219 |
|
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/*
|
220 |
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* mark on-disk super block for fs in transition;
|
221 |
|
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*
|
222 |
|
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* update on-disk superblock for the new space configuration
|
223 |
|
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* of inline log space and fsck work space descriptors:
|
224 |
|
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* N.B. FS descriptor is NOT updated;
|
225 |
|
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*
|
226 |
|
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* crash recovery:
|
227 |
|
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* logredo(): if FM_EXTENDFS, return to fsck() for cleanup;
|
228 |
|
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* fsck(): if FM_EXTENDFS, reformat inline log and fsck
|
229 |
|
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* workspace from superblock inline log descriptor and fsck
|
230 |
|
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* workspace descriptor;
|
231 |
|
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*/
|
232 |
|
|
|
233 |
|
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/* read in superblock */
|
234 |
|
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if ((rc = readSuper(sb, &bh)))
|
235 |
|
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goto error_out;
|
236 |
|
|
j_sb = (struct jfs_superblock *)bh->b_data;
|
237 |
|
|
|
238 |
|
|
/* mark extendfs() in progress */
|
239 |
|
|
j_sb->s_state |= cpu_to_le32(FM_EXTENDFS);
|
240 |
|
|
j_sb->s_xsize = cpu_to_le64(newFSSize);
|
241 |
|
|
PXDaddress(&j_sb->s_xfsckpxd, newFSCKAddress);
|
242 |
|
|
PXDlength(&j_sb->s_xfsckpxd, newFSCKSize);
|
243 |
|
|
PXDaddress(&j_sb->s_xlogpxd, newLogAddress);
|
244 |
|
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PXDlength(&j_sb->s_xlogpxd, newLogSize);
|
245 |
|
|
|
246 |
|
|
/* synchronously update superblock */
|
247 |
|
|
mark_buffer_dirty(bh);
|
248 |
|
|
ll_rw_block(WRITE, 1, &bh);
|
249 |
|
|
wait_on_buffer(bh);
|
250 |
|
|
brelse(bh);
|
251 |
|
|
|
252 |
|
|
/*
|
253 |
|
|
* format new inline log synchronously;
|
254 |
|
|
*
|
255 |
|
|
* crash recovery: if log move in progress,
|
256 |
|
|
* reformat log and exit success;
|
257 |
|
|
*/
|
258 |
|
|
if (!log_formatted)
|
259 |
|
|
if ((rc = lmLogFormat(log, newLogAddress, newLogSize)))
|
260 |
|
|
goto error_out;
|
261 |
|
|
|
262 |
|
|
/*
|
263 |
|
|
* activate new log
|
264 |
|
|
*/
|
265 |
|
|
log->base = newLogAddress;
|
266 |
|
|
log->size = newLogSize >> (L2LOGPSIZE - sb->s_blocksize_bits);
|
267 |
|
|
if ((rc = lmLogInit(log)))
|
268 |
|
|
goto error_out;
|
269 |
|
|
}
|
270 |
|
|
|
271 |
|
|
/*
|
272 |
|
|
* extend block allocation map
|
273 |
|
|
* ---------------------------
|
274 |
|
|
*
|
275 |
|
|
* extendfs() for new extension, retry after crash recovery;
|
276 |
|
|
*
|
277 |
|
|
* note: both logredo() and fsck() rebuild map from
|
278 |
|
|
* the bitmap and configuration parameter from superblock
|
279 |
|
|
* (disregarding all other control information in the map);
|
280 |
|
|
*
|
281 |
|
|
* superblock:
|
282 |
|
|
* s_size: aggregate size in physical blocks;
|
283 |
|
|
*/
|
284 |
|
|
/*
|
285 |
|
|
* compute the new block allocation map configuration
|
286 |
|
|
*
|
287 |
|
|
* map dinode:
|
288 |
|
|
* di_size: map file size in byte;
|
289 |
|
|
* di_nblocks: number of blocks allocated for map file;
|
290 |
|
|
* di_mapsize: number of blocks in aggregate (covered by map);
|
291 |
|
|
* map control page:
|
292 |
|
|
* db_mapsize: number of blocks in aggregate (covered by map);
|
293 |
|
|
*/
|
294 |
|
|
newMapSize = newFSSize;
|
295 |
|
|
/* number of data pages of new bmap file:
|
296 |
|
|
* roundup new size to full dmap page boundary and
|
297 |
|
|
* add 1 extra dmap page for next extendfs()
|
298 |
|
|
*/
|
299 |
|
|
t64 = (newMapSize - 1) + BPERDMAP;
|
300 |
|
|
newNpages = BLKTODMAPN(t64) + 1;
|
301 |
|
|
|
302 |
|
|
/*
|
303 |
|
|
* extend map from current map (WITHOUT growing mapfile)
|
304 |
|
|
*
|
305 |
|
|
* map new extension with unmapped part of the last partial
|
306 |
|
|
* dmap page, if applicable, and extra page(s) allocated
|
307 |
|
|
* at end of bmap by mkfs() or previous extendfs();
|
308 |
|
|
*/
|
309 |
|
|
extendBmap:
|
310 |
|
|
/* compute number of blocks requested to extend */
|
311 |
|
|
mapSize = bmp->db_mapsize;
|
312 |
|
|
XAddress = mapSize; /* eXtension Address */
|
313 |
|
|
XSize = newMapSize - mapSize; /* eXtension Size */
|
314 |
|
|
old_agsize = bmp->db_agsize; /* We need to know if this changes */
|
315 |
|
|
|
316 |
|
|
/* compute number of blocks that can be extended by current mapfile */
|
317 |
|
|
t64 = dbMapFileSizeToMapSize(ipbmap);
|
318 |
|
|
if (mapSize > t64) {
|
319 |
|
|
printk(KERN_ERR "jfs_extendfs: mapSize (0x%Lx) > t64 (0x%Lx)\n",
|
320 |
|
|
(long long) mapSize, (long long) t64);
|
321 |
|
|
rc = -EIO;
|
322 |
|
|
goto error_out;
|
323 |
|
|
}
|
324 |
|
|
nblocks = min(t64 - mapSize, XSize);
|
325 |
|
|
|
326 |
|
|
/*
|
327 |
|
|
* update map pages for new extension:
|
328 |
|
|
*
|
329 |
|
|
* update/init dmap and bubble up the control hierarchy
|
330 |
|
|
* incrementally fold up dmaps into upper levels;
|
331 |
|
|
* update bmap control page;
|
332 |
|
|
*/
|
333 |
|
|
if ((rc = dbExtendFS(ipbmap, XAddress, nblocks)))
|
334 |
|
|
goto error_out;
|
335 |
|
|
/*
|
336 |
|
|
* the map now has extended to cover additional nblocks:
|
337 |
|
|
* dn_mapsize = oldMapsize + nblocks;
|
338 |
|
|
*/
|
339 |
|
|
/* ipbmap->i_mapsize += nblocks; */
|
340 |
|
|
XSize -= nblocks;
|
341 |
|
|
|
342 |
|
|
/*
|
343 |
|
|
* grow map file to cover remaining extension
|
344 |
|
|
* and/or one extra dmap page for next extendfs();
|
345 |
|
|
*
|
346 |
|
|
* allocate new map pages and its backing blocks, and
|
347 |
|
|
* update map file xtree
|
348 |
|
|
*/
|
349 |
|
|
/* compute number of data pages of current bmap file */
|
350 |
|
|
nPages = ipbmap->i_size >> L2PSIZE;
|
351 |
|
|
|
352 |
|
|
/* need to grow map file ? */
|
353 |
|
|
if (nPages == newNpages)
|
354 |
|
|
goto finalizeBmap;
|
355 |
|
|
|
356 |
|
|
/*
|
357 |
|
|
* grow bmap file for the new map pages required:
|
358 |
|
|
*
|
359 |
|
|
* allocate growth at the start of newly extended region;
|
360 |
|
|
* bmap file only grows sequentially, i.e., both data pages
|
361 |
|
|
* and possibly xtree index pages may grow in append mode,
|
362 |
|
|
* s.t. logredo() can reconstruct pre-extension state
|
363 |
|
|
* by washing away bmap file of pages outside s_size boundary;
|
364 |
|
|
*/
|
365 |
|
|
/*
|
366 |
|
|
* journal map file growth as if a regular file growth:
|
367 |
|
|
* (note: bmap is created with di_mode = IFJOURNAL|IFREG);
|
368 |
|
|
*
|
369 |
|
|
* journaling of bmap file growth is not required since
|
370 |
|
|
* logredo() do/can not use log records of bmap file growth
|
371 |
|
|
* but it provides careful write semantics, pmap update, etc.;
|
372 |
|
|
*/
|
373 |
|
|
/* synchronous write of data pages: bmap data pages are
|
374 |
|
|
* cached in meta-data cache, and not written out
|
375 |
|
|
* by txCommit();
|
376 |
|
|
*/
|
377 |
|
|
fsync_inode_data_buffers(ipbmap);
|
378 |
|
|
diWriteSpecial(ipbmap, 0);
|
379 |
|
|
|
380 |
|
|
newPage = nPages; /* first new page number */
|
381 |
|
|
xoff = newPage << sbi->l2nbperpage;
|
382 |
|
|
xlen = (newNpages - nPages) << sbi->l2nbperpage;
|
383 |
|
|
xlen = min(xlen, (int) nblocks) & ~(sbi->nbperpage - 1);
|
384 |
|
|
xaddr = XAddress;
|
385 |
|
|
|
386 |
|
|
tid = txBegin(sb, COMMIT_FORCE);
|
387 |
|
|
|
388 |
|
|
if ((rc = xtAppend(tid, ipbmap, 0, xoff, nblocks, &xlen, &xaddr, 0))) {
|
389 |
|
|
txEnd(tid);
|
390 |
|
|
goto error_out;
|
391 |
|
|
}
|
392 |
|
|
/* update bmap file size */
|
393 |
|
|
ipbmap->i_size += xlen << sbi->l2bsize;
|
394 |
|
|
ipbmap->i_blocks += LBLK2PBLK(sb, xlen);
|
395 |
|
|
|
396 |
|
|
iplist[0] = ipbmap;
|
397 |
|
|
rc = txCommit(tid, 1, &iplist[0], COMMIT_FORCE);
|
398 |
|
|
|
399 |
|
|
txEnd(tid);
|
400 |
|
|
|
401 |
|
|
if (rc)
|
402 |
|
|
goto error_out;
|
403 |
|
|
|
404 |
|
|
/*
|
405 |
|
|
* map file has been grown now to cover extension to further out;
|
406 |
|
|
* di_size = new map file size;
|
407 |
|
|
*
|
408 |
|
|
* if huge extension, the previous extension based on previous
|
409 |
|
|
* map file size may not have been sufficient to cover whole extension
|
410 |
|
|
* (it could have been used up for new map pages),
|
411 |
|
|
* but the newly grown map file now covers lot bigger new free space
|
412 |
|
|
* available for further extension of map;
|
413 |
|
|
*/
|
414 |
|
|
/* any more blocks to extend ? */
|
415 |
|
|
if (XSize)
|
416 |
|
|
goto extendBmap;
|
417 |
|
|
|
418 |
|
|
finalizeBmap:
|
419 |
|
|
/* finalize bmap */
|
420 |
|
|
dbFinalizeBmap(ipbmap);
|
421 |
|
|
|
422 |
|
|
/*
|
423 |
|
|
* update inode allocation map
|
424 |
|
|
* ---------------------------
|
425 |
|
|
*
|
426 |
|
|
* move iag lists from old to new iag;
|
427 |
|
|
* agstart field is not updated for logredo() to reconstruct
|
428 |
|
|
* iag lists if system crash occurs.
|
429 |
|
|
* (computation of ag number from agstart based on agsize
|
430 |
|
|
* will correctly identify the new ag);
|
431 |
|
|
*/
|
432 |
|
|
/* if new AG size the same as old AG size, done! */
|
433 |
|
|
if (bmp->db_agsize != old_agsize) {
|
434 |
|
|
if ((rc = diExtendFS(ipimap, ipbmap)))
|
435 |
|
|
goto error_out;
|
436 |
|
|
|
437 |
|
|
/* finalize imap */
|
438 |
|
|
if ((rc = diSync(ipimap)))
|
439 |
|
|
goto error_out;
|
440 |
|
|
}
|
441 |
|
|
|
442 |
|
|
/*
|
443 |
|
|
* finalize
|
444 |
|
|
* --------
|
445 |
|
|
*
|
446 |
|
|
* extension is committed when on-disk super block is
|
447 |
|
|
* updated with new descriptors: logredo will recover
|
448 |
|
|
* crash before it to pre-extension state;
|
449 |
|
|
*/
|
450 |
|
|
|
451 |
|
|
/* sync log to skip log replay of bmap file growth transaction; */
|
452 |
|
|
/* lmLogSync(log, 1); */
|
453 |
|
|
|
454 |
|
|
/*
|
455 |
|
|
* synchronous write bmap global control page;
|
456 |
|
|
* for crash before completion of write
|
457 |
|
|
* logredo() will recover to pre-extendfs state;
|
458 |
|
|
* for crash after completion of write,
|
459 |
|
|
* logredo() will recover post-extendfs state;
|
460 |
|
|
*/
|
461 |
|
|
if ((rc = dbSync(ipbmap)))
|
462 |
|
|
goto error_out;
|
463 |
|
|
|
464 |
|
|
/*
|
465 |
|
|
* copy primary bmap inode to secondary bmap inode
|
466 |
|
|
*/
|
467 |
|
|
|
468 |
|
|
ipbmap2 = diReadSpecial(sb, BMAP_I, 1);
|
469 |
|
|
if (ipbmap2 == NULL) {
|
470 |
|
|
printk(KERN_ERR "jfs_extendfs: diReadSpecial(bmap) failed\n");
|
471 |
|
|
goto error_out;
|
472 |
|
|
}
|
473 |
|
|
memcpy(&JFS_IP(ipbmap2)->i_xtroot, &JFS_IP(ipbmap)->i_xtroot, 288);
|
474 |
|
|
ipbmap2->i_size = ipbmap->i_size;
|
475 |
|
|
ipbmap2->i_blocks = ipbmap->i_blocks;
|
476 |
|
|
|
477 |
|
|
diWriteSpecial(ipbmap2, 1);
|
478 |
|
|
diFreeSpecial(ipbmap2);
|
479 |
|
|
|
480 |
|
|
/*
|
481 |
|
|
* update superblock
|
482 |
|
|
*/
|
483 |
|
|
if ((rc = readSuper(sb, &bh)))
|
484 |
|
|
goto error_out;
|
485 |
|
|
j_sb = (struct jfs_superblock *)bh->b_data;
|
486 |
|
|
|
487 |
|
|
/* mark extendfs() completion */
|
488 |
|
|
j_sb->s_state &= cpu_to_le32(~FM_EXTENDFS);
|
489 |
|
|
j_sb->s_size = cpu_to_le64(bmp->db_mapsize <<
|
490 |
|
|
le16_to_cpu(j_sb->s_l2bfactor));
|
491 |
|
|
j_sb->s_agsize = cpu_to_le32(bmp->db_agsize);
|
492 |
|
|
|
493 |
|
|
/* update inline log space descriptor */
|
494 |
|
|
if (sbi->mntflag & JFS_INLINELOG) {
|
495 |
|
|
PXDaddress(&(j_sb->s_logpxd), newLogAddress);
|
496 |
|
|
PXDlength(&(j_sb->s_logpxd), newLogSize);
|
497 |
|
|
}
|
498 |
|
|
|
499 |
|
|
/* record log's mount serial number */
|
500 |
|
|
j_sb->s_logserial = cpu_to_le32(log->serial);
|
501 |
|
|
|
502 |
|
|
/* update fsck work space descriptor */
|
503 |
|
|
PXDaddress(&(j_sb->s_fsckpxd), newFSCKAddress);
|
504 |
|
|
PXDlength(&(j_sb->s_fsckpxd), newFSCKSize);
|
505 |
|
|
j_sb->s_fscklog = 1;
|
506 |
|
|
/* sb->s_fsckloglen remains the same */
|
507 |
|
|
|
508 |
|
|
/* Update secondary superblock */
|
509 |
|
|
bh2 = sb_bread(sb, SUPER2_OFF >> sb->s_blocksize_bits);
|
510 |
|
|
if (bh2) {
|
511 |
|
|
j_sb2 = (struct jfs_superblock *)bh2->b_data;
|
512 |
|
|
memcpy(j_sb2, j_sb, sizeof (struct jfs_superblock));
|
513 |
|
|
|
514 |
|
|
mark_buffer_dirty(bh);
|
515 |
|
|
ll_rw_block(WRITE, 1, &bh2);
|
516 |
|
|
wait_on_buffer(bh2);
|
517 |
|
|
brelse(bh2);
|
518 |
|
|
}
|
519 |
|
|
|
520 |
|
|
/* write primary superblock */
|
521 |
|
|
mark_buffer_dirty(bh);
|
522 |
|
|
ll_rw_block(WRITE, 1, &bh);
|
523 |
|
|
wait_on_buffer(bh);
|
524 |
|
|
brelse(bh);
|
525 |
|
|
|
526 |
|
|
goto resume;
|
527 |
|
|
|
528 |
|
|
error_out:
|
529 |
|
|
jfs_error(sb, "jfs_extendfs");
|
530 |
|
|
|
531 |
|
|
resume:
|
532 |
|
|
/*
|
533 |
|
|
* resume file system transactions
|
534 |
|
|
*/
|
535 |
|
|
txResume(sb);
|
536 |
|
|
|
537 |
|
|
out:
|
538 |
|
|
return rc;
|
539 |
|
|
}
|