diff options
author | Suresh Jayaraman <sjayaraman@suse.de> | 2010-10-18 23:29:37 +0530 |
---|---|---|
committer | Steve French <sfrench@us.ibm.com> | 2010-10-21 13:14:27 +0000 |
commit | 3f9bcca7820a6711307b6499952b13cfcfc31dd6 (patch) | |
tree | 6c380f5877562778335d6794e1e4a297f8970d77 /fs/cifs/file.c | |
parent | 3e24e132878c83910b61eb7704511a6d96a0389f (diff) | |
download | op-kernel-dev-3f9bcca7820a6711307b6499952b13cfcfc31dd6.zip op-kernel-dev-3f9bcca7820a6711307b6499952b13cfcfc31dd6.tar.gz |
cifs: convert cifs_tcp_ses_lock from a rwlock to a spinlock
cifs_tcp_ses_lock is a rwlock with protects the cifs_tcp_ses_list,
server->smb_ses_list and the ses->tcon_list. It also protects a few
ref counters in server, ses and tcon. In most cases the critical section
doesn't seem to be large, in a few cases where it is slightly large, there
seem to be really no benefit from concurrent access. I briefly considered RCU
mechanism but it appears to me that there is no real need.
Replace it with a spinlock and get rid of the last rwlock in the cifs code.
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/file.c')
0 files changed, 0 insertions, 0 deletions