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NFS: Fix error reporting in nfs_file_write()

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When doing O_DSYNC writes, the actual write errors are reported through
generic_write_sync(), so we must test the result.

Reported-by: J. R. Okajima <hooanon05g@gmail.com>
Fixes: 18290650b1c8 ("NFS: Move buffered I/O locking into nfs_file_write()")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2016-09-03 12:05:31 -04:00
parent a41bd25ae6
commit c49edecd51
1 changed files with 4 additions and 1 deletions
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5
fs/nfs/file.c
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@ -657,7 +657,10 @@ ssize_t nfs_file_write(struct kiocb *iocb, struct iov_iter *from)
if (result <= 0) if (result <= 0)
goto out; goto out;
written = generic_write_sync(iocb, result); result = generic_write_sync(iocb, result);
if (result < 0)
goto out;
written = result;
iocb->ki_pos += written; iocb->ki_pos += written;
/* Return error values */ /* Return error values */