jfs: fix diAllocExt error in resizing filesystem
Resizing the filesystem would result in an diAllocExt error in some instances because changes in bmp->db_agsize would not get noticed if goto extendBmap was called. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Cc: jfs-discussion@lists.sourceforge.net Cc: linux-kernel@vger.kernel.org
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1 changed files with 5 additions and 1 deletions
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@ -81,6 +81,7 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
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struct inode *iplist[1];
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struct jfs_superblock *j_sb, *j_sb2;
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uint old_agsize;
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int agsizechanged = 0;
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struct buffer_head *bh, *bh2;
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/* If the volume hasn't grown, get out now */
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@ -333,6 +334,9 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
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*/
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if ((rc = dbExtendFS(ipbmap, XAddress, nblocks)))
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goto error_out;
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agsizechanged |= (bmp->db_agsize != old_agsize);
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/*
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* the map now has extended to cover additional nblocks:
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* dn_mapsize = oldMapsize + nblocks;
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@ -432,7 +436,7 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
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* will correctly identify the new ag);
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*/
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/* if new AG size the same as old AG size, done! */
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if (bmp->db_agsize != old_agsize) {
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if (agsizechanged) {
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if ((rc = diExtendFS(ipimap, ipbmap)))
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goto error_out;
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