ufs_get_fs_state() needs the file system type to read the state from the
correct place in the superblock. It takes the type from
UFS_SB(sb)->s_flags, but that value is stored after the first call to
ufs_get_fs_state(). The patch below moves the assignment of s_flags up,
before the first call to ufs_get_fs_state().
The patch is against linux-2.6.23-rc6-git7, but it applies (with offset)
to 2.6.22 and to earlier versions as well. It has been tested on the
Solaris flavor of UFS (ufstype=sunx86) - with this change, the file
system can be used in read-write mode.
* Please cc me when replying to this - I am not subscribed to the
linux-kernel list. *
Leonid
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -897,6 +897,8 @@
ufs_print_super_stuff(sb, usb1, usb2, usb3);
+ sbi->s_flags = flags;
+
/*
* Check, if file system was correctly unmounted.
* If not, make it read only.
@@ -1026,8 +1028,6 @@
uspi->s_maxsymlinklen =
fs32_to_cpu(sb, usb3->fs_un2.fs_44.fs_maxsymlinklen);
- sbi->s_flags = flags;
-
inode = iget(sb, UFS_ROOTINO);
if (!inode || is_bad_inode(inode))
goto failed;
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