diff options
| author | Christoph Hellwig <hch@lst.de> | 2016-04-07 08:52:04 -0700 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-01 19:58:39 -0400 |
| commit | 24368aad47dc65b45040d6a31bfd6df1d6f3ec97 (patch) | |
| tree | 4edc788a0c66c6f29e80be53622f797c83f48ffb /fs | |
| parent | e864f39569f4092c2b2bc72c773b6e486c7e3bd9 (diff) | |
| download | linux-24368aad47dc65b45040d6a31bfd6df1d6f3ec97.tar.bz2 | |
nfsd: use RWF_SYNC
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfsd/vfs.c | 18 |
1 files changed, 7 insertions, 11 deletions
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); |