diff options
Diffstat (limited to 'fs/lockd/xdr4.c')
| -rw-r--r-- | fs/lockd/xdr4.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c index 712fdfeb8ef0..e343c820301f 100644 --- a/fs/lockd/xdr4.c +++ b/fs/lockd/xdr4.c @@ -33,6 +33,17 @@ loff_t_to_s64(loff_t offset) return res; } +void nlm4svc_set_file_lock_range(struct file_lock *fl, u64 off, u64 len) +{ + s64 end = off + len - 1; + + fl->fl_start = off; + if (len == 0 || end < 0) + fl->fl_end = OFFSET_MAX; + else + fl->fl_end = end; +} + /* * NLM file handles are defined by specification to be a variable-length * XDR opaque no longer than 1024 bytes. However, this implementation @@ -78,9 +89,8 @@ svcxdr_decode_lock(struct xdr_stream *xdr, struct nlm_lock *lock) return false; locks_init_lock(fl); - fl->fl_flags = FL_POSIX; - fl->fl_type = F_RDLCK; - + fl->c.flc_type = F_RDLCK; + nlm4svc_set_file_lock_range(fl, lock->lock_start, lock->lock_len); return true; } @@ -91,7 +101,7 @@ svcxdr_encode_holder(struct xdr_stream *xdr, const struct nlm_lock *lock) s64 start, len; /* exclusive */ - if (xdr_stream_encode_bool(xdr, fl->fl_type != F_RDLCK) < 0) + if (xdr_stream_encode_bool(xdr, fl->c.flc_type != F_RDLCK) < 0) return false; if (xdr_stream_encode_u32(xdr, lock->svid) < 0) return false; @@ -148,7 +158,7 @@ nlm4svc_decode_testargs(struct svc_rqst *rqstp, struct xdr_stream *xdr) if (!svcxdr_decode_lock(xdr, &argp->lock)) return false; if (exclusive) - argp->lock.fl.fl_type = F_WRLCK; + argp->lock.fl.c.flc_type = F_WRLCK; return true; } @@ -168,7 +178,7 @@ nlm4svc_decode_lockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr) if (!svcxdr_decode_lock(xdr, &argp->lock)) return false; if (exclusive) - argp->lock.fl.fl_type = F_WRLCK; + argp->lock.fl.c.flc_type = F_WRLCK; if (xdr_stream_decode_bool(xdr, &argp->reclaim) < 0) return false; if (xdr_stream_decode_u32(xdr, &argp->state) < 0) @@ -193,7 +203,7 @@ nlm4svc_decode_cancargs(struct svc_rqst *rqstp, struct xdr_stream *xdr) if (!svcxdr_decode_lock(xdr, &argp->lock)) return false; if (exclusive) - argp->lock.fl.fl_type = F_WRLCK; + argp->lock.fl.c.flc_type = F_WRLCK; return true; } @@ -207,7 +217,7 @@ nlm4svc_decode_unlockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr) return false; if (!svcxdr_decode_lock(xdr, &argp->lock)) return false; - argp->lock.fl.fl_type = F_UNLCK; + argp->lock.fl.c.flc_type = F_UNLCK; return true; } @@ -257,7 +267,6 @@ nlm4svc_decode_shareargs(struct svc_rqst *rqstp, struct xdr_stream *xdr) struct nlm_args *argp = rqstp->rq_argp; struct nlm_lock *lock = &argp->lock; - memset(lock, 0, sizeof(*lock)); locks_init_lock(&lock->fl); lock->svid = ~(u32)0; |