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[PATCH] knfsd: fix return value for writes to some files in 'nfsd' filesystem 

Most files in the 'nfsd' filesystem are transactional.  When you write, a
reply is generated that can be read back only on the same 'file'.

If the reply has zero length, the 'write' will incorrectly return a value of
'0' instead of the length that was written.  This causes 'rpc.nfsd' to give an
annoying warning.

This patch fixes the test.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
NeilBrown 2007-02-14 00:33:11 -08:00 committed by Linus Torvalds
parent 754ce4f299
commit 8971a1016b
1 changed files with 1 additions and 1 deletions
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2
fs/nfsd/nfsctl.c
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@ -123,7 +123,7 @@ static ssize_t nfsctl_transaction_write(struct file *file, const char __user *bu
return PTR_ERR(data);
rv = write_op[ino](file, data, size);
if (rv>0) {
if (rv >= 0) {
simple_transaction_set(file, rv);
rv = size;
}