lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

knfsd: Replace lock_kernel with a mutex for nfsd thread startup/shutdown locking.

Browse Source 
This removes the BKL from the RPC service creation codepath. The BKL
really isn't adequate for this job since some of this info needs
protection across sleeps.

Also, add some comments to try and clarify how the locking should work
and to make it clear that the BKL isn't necessary as long as there is
adequate locking between tasks when touching the svc_serv fields.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Neil Brown
2008-06-10 08:40:35 -04:00
committed by J. Bruce Fields
parent 0d169ca136
commit bedbdd8bad
4 changed files with 65 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
include/linux/nfsd/nfsd.h
View File

@ -54,6 +54,7 @@ typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int);
extern struct svc_program nfsd_program;
extern struct svc_version nfsd_version2, nfsd_version3,
nfsd_version4;
extern struct mutex nfsd_mutex;
extern struct svc_serv *nfsd_serv;
extern struct seq_operations nfs_exports_op;