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| author | Bill Pemberton <wfp5p@virginia.edu> | 2010-04-16 08:01:20 -0500 |
|---|---|---|
| committer | Dave Kleikamp <shaggy@linux.vnet.ibm.com> | 2010-04-16 08:01:20 -0500 |
| commit | 2b0b39517d1af5294128dbc2fd7ed39c8effa540 (patch) | |
| tree | f210f174aec2531294b6fbdb3890dffc709e32b9 | |
| parent | d7eecb483cc29e929bbc5515b8def830d7fc6ad2 (diff) | |
| download | linux-stable-2b0b39517d1af5294128dbc2fd7ed39c8effa540.tar.gz linux-stable-2b0b39517d1af5294128dbc2fd7ed39c8effa540.tar.bz2 linux-stable-2b0b39517d1af5294128dbc2fd7ed39c8effa540.zip | |
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
| -rw-r--r-- | fs/jfs/resize.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/jfs/resize.c b/fs/jfs/resize.c index 7f24a0bb08ca..1aba0039f1c9 100644 --- a/fs/jfs/resize.c +++ b/fs/jfs/resize.c @@ -81,6 +81,7 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize) struct inode *iplist[1]; struct jfs_superblock *j_sb, *j_sb2; uint old_agsize; + int agsizechanged = 0; struct buffer_head *bh, *bh2; /* If the volume hasn't grown, get out now */ @@ -333,6 +334,9 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize) */ if ((rc = dbExtendFS(ipbmap, XAddress, nblocks))) goto error_out; + + agsizechanged |= (bmp->db_agsize != old_agsize); + /* * the map now has extended to cover additional nblocks: * dn_mapsize = oldMapsize + nblocks; @@ -432,7 +436,7 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize) * will correctly identify the new ag); */ /* if new AG size the same as old AG size, done! */ - if (bmp->db_agsize != old_agsize) { + if (agsizechanged) { if ((rc = diExtendFS(ipimap, ipbmap))) goto error_out; |