tree 83d7129b09c08d74ff2f6e494b71a83243db3925
parent 0abbb609ac511fc226b8b1082613193c8ecf8324
author Al Viro <viro@zeniv.linux.org.uk> 1275096764 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1275686187 -0400

fix the deadlock in qib_fs

get_sb_single() calls fill_super with superblock locked; calling
deactivate_super() will deadlock immedately.  Moreover, if fill_super
callback returns an error, get_sb_single() will release the reference
to superblock itself just fine.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>