From 24368aad47dc65b45040d6a31bfd6df1d6f3ec97 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 7 Apr 2016 08:52:04 -0700 Subject: nfsd: use RWF_SYNC Signed-off-by: Christoph Hellwig Signed-off-by: Al Viro --- fs/nfsd/vfs.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) (limited to 'fs/nfsd') diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index d40010e4f1a9..6fbd81ecb410 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -935,8 +935,8 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, int stable = *stablep; int use_wgather; loff_t pos = offset; - loff_t end = LLONG_MAX; unsigned int pflags = current->flags; + int flags = 0; if (test_bit(RQ_LOCAL, &rqstp->rq_flags)) /* @@ -955,9 +955,12 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, if (!EX_ISSYNC(exp)) stable = 0; + if (stable && !use_wgather) + flags |= RWF_SYNC; + /* Write the data. */ oldfs = get_fs(); set_fs(KERNEL_DS); - host_err = vfs_writev(file, (struct iovec __user *)vec, vlen, &pos, 0); + host_err = vfs_writev(file, (struct iovec __user *)vec, vlen, &pos, flags); set_fs(oldfs); if (host_err < 0) goto out_nfserr; @@ -965,15 +968,8 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, nfsdstats.io_write += host_err; fsnotify_modify(file); - if (stable) { - if (use_wgather) { - host_err = wait_for_concurrent_writes(file); - } else { - if (*cnt) - end = offset + *cnt - 1; - host_err = vfs_fsync_range(file, offset, end, 0); - } - } + if (stable && use_wgather) + host_err = wait_for_concurrent_writes(file); out_nfserr: dprintk("nfsd: write complete host_err=%d\n", host_err); -- cgit v1.2.3