[PATCH] Claim i_alloc_sem while changing file size in nfsd

[PATCH] Claim i_alloc_sem while changing file size in nfsd

nfsd should hold i_alloc_sem while calling notify_change
with ATTR_SIZE set, just like do_truncate does.

From: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
### Diffstat output
 ./fs/nfsd/vfs.c |    2 ++
 1 files changed, 2 insertions(+)

diff ./fs/nfsd/vfs.c~current~ ./fs/nfsd/vfs.c