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NFSv4: Revert "Truncating file opens should also sync O_DIRECT writes" 

We're not holding any locks, so both nfs_wb_all() and inode_dio_wait()
are unenforcible and have livelock potential. Just limit ourselves to
flushing out the data.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2016-07-14 12:42:40 -04:00
parent 9a773e7c8d
commit 8b7d9d09b2
1 changed files with 1 additions and 1 deletions
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fs/nfs/nfs4file.c
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@ -66,7 +66,7 @@ nfs4_file_open(struct inode *inode, struct file *filp)
if (openflags & O_TRUNC) {
attr.ia_valid |= ATTR_SIZE;
attr.ia_size = 0;
nfs_sync_inode(inode);
filemap_write_and_wait(inode->i_mapping);
}
inode = NFS_PROTO(dir)->open_context(dir, ctx, openflags, &attr, NULL);