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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-27 18:13:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-27 18:13:34 -0700 |
| commit | 7420a8c0de8d99b201aeeab6fed16ca95ebf55a5 (patch) | |
| tree | 0787800f490f98ffd41b958e52ab15732335744e /fs/nfsd | |
| parent | 12ba8d1e9262ce81a695795410bd9ee5c9407ba1 (diff) | |
| parent | 72f98e72551fad573c6cace8e8551ef094f482dd (diff) | |
| download | linux-7420a8c0de8d99b201aeeab6fed16ca95ebf55a5.tar.bz2 | |
Merge branch 'flock' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
* 'flock' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl:
locks: turn lock_flocks into a spinlock
fasync: re-organize fasync entry insertion to allow it under a spinlock
locks/nfsd: allocate file lock outside of spinlock
lockd: fix nlmsvc_notify_blocked locking
lockd: push lock_flocks down
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/Kconfig | 1 | ||||
| -rw-r--r-- | fs/nfsd/nfs4state.c | 26 |
2 files changed, 15 insertions, 12 deletions
diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig index 31a78fce4732..18b3e8975fe0 100644 --- a/fs/nfsd/Kconfig +++ b/fs/nfsd/Kconfig @@ -2,7 +2,6 @@ config NFSD tristate "NFS server support" depends on INET depends on FILE_LOCKING - depends on BKL # fix as soon as lockd is done select LOCKD select SUNRPC select EXPORTFS diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 9019e8ec9dc8..56347e0ac88d 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2614,7 +2614,7 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_sta struct nfs4_delegation *dp; struct nfs4_stateowner *sop = stp->st_stateowner; int cb_up = atomic_read(&sop->so_client->cl_cb_set); - struct file_lock fl, *flp = &fl; + struct file_lock *fl; int status, flag = 0; flag = NFS4_OPEN_DELEGATE_NONE; @@ -2648,20 +2648,24 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_sta flag = NFS4_OPEN_DELEGATE_NONE; goto out; } - locks_init_lock(&fl); - fl.fl_lmops = &nfsd_lease_mng_ops; - fl.fl_flags = FL_LEASE; - fl.fl_type = flag == NFS4_OPEN_DELEGATE_READ? F_RDLCK: F_WRLCK; - fl.fl_end = OFFSET_MAX; - fl.fl_owner = (fl_owner_t)dp; - fl.fl_file = find_readable_file(stp->st_file); - BUG_ON(!fl.fl_file); - fl.fl_pid = current->tgid; + status = -ENOMEM; + fl = locks_alloc_lock(); + if (!fl) + goto out; + locks_init_lock(fl); + fl->fl_lmops = &nfsd_lease_mng_ops; + fl->fl_flags = FL_LEASE; + fl->fl_type = flag == NFS4_OPEN_DELEGATE_READ? F_RDLCK: F_WRLCK; + fl->fl_end = OFFSET_MAX; + fl->fl_owner = (fl_owner_t)dp; + fl->fl_file = find_readable_file(stp->st_file); + BUG_ON(!fl->fl_file); + fl->fl_pid = current->tgid; /* vfs_setlease checks to see if delegation should be handed out. * the lock_manager callbacks fl_mylease and fl_change are used */ - if ((status = vfs_setlease(fl.fl_file, fl.fl_type, &flp))) { + if ((status = vfs_setlease(fl->fl_file, fl->fl_type, &fl))) { dprintk("NFSD: setlease failed [%d], no delegation\n", status); unhash_delegation(dp); flag = NFS4_OPEN_DELEGATE_NONE; |