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| author | J. Bruce Fields <bfields@redhat.com> | 2013-03-28 20:37:14 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2013-04-09 09:08:57 -0400 |
| commit | 0c7c3e67ab91ec6caa44bdf1fc89a48012ceb0c5 (patch) | |
| tree | a78bba34de95062dea4bc512a9a03023c24c686b /fs/nfsd | |
| parent | eb2099f31b0f090684a64ef8df44a30ff7c45fc2 (diff) | |
| download | blackbird-op-linux-0c7c3e67ab91ec6caa44bdf1fc89a48012ceb0c5.tar.gz blackbird-op-linux-0c7c3e67ab91ec6caa44bdf1fc89a48012ceb0c5.zip | |
nfsd4: don't close read-write opens too soon
Don't actually close any opens until we don't need them at all.
This means being left with write access when it's not really necessary,
but that's better than putting a file that might still have posix locks
held on it, as we have been.
Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Cc: stable@kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index ff1577d6df62..7d2e3b54b9df 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -307,13 +307,7 @@ static void __nfs4_file_put_access(struct nfs4_file *fp, int oflag) { if (atomic_dec_and_test(&fp->fi_access[oflag])) { nfs4_file_put_fd(fp, oflag); - /* - * It's also safe to get rid of the RDWR open *if* - * we no longer have need of the other kind of access - * or if we already have the other kind of open: - */ - if (fp->fi_fds[1-oflag] - || atomic_read(&fp->fi_access[1 - oflag]) == 0) + if (atomic_read(&fp->fi_access[1 - oflag]) == 0) nfs4_file_put_fd(fp, O_RDWR); } } |
