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Revert "s3: locking: Update oplock optimization for the leases era !"

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This reverts commit 2e00feb278.

This should not have been in 4-4-test, see
https://bugzilla.samba.org/show_bug.cgi?id=12628#c6
v4-4-test is in the security fixes only mode.

This also introduces a regression that's fixed in v4-5 and higer only,
see https://bugzilla.samba.org/show_bug.cgi?id=12798

Signed-off-by: Stefan Metzmacher <metze@samba.org>
This commit is contained in:
Stefan Metzmacher 2017-07-12 08:47:33 +02:00
parent a709729657
commit 8d23e3321d
1 changed files with 9 additions and 13 deletions
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22
source3/locking/locking.c
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@ -118,21 +118,17 @@ bool strict_lock_default(files_struct *fsp, struct lock_struct *plock)
}
if (strict_locking == Auto) {
uint32_t lease_type = fsp_lease_type(fsp);
if ((lease_type & SMB2_LEASE_READ) &&
(plock->lock_type == READ_LOCK))
{
DBG_DEBUG("optimisation - read lease on file %s\n",
fsp_str_dbg(fsp));
if (EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type) &&
(plock->lock_type == READ_LOCK ||
plock->lock_type == WRITE_LOCK)) {
DEBUG(10, ("is_locked: optimisation - exclusive oplock "
"on file %s\n", fsp_str_dbg(fsp)));
return true;
}
if ((lease_type & SMB2_LEASE_WRITE) &&
(plock->lock_type == WRITE_LOCK))
{
DBG_DEBUG("optimisation - write lease on file %s\n",
fsp_str_dbg(fsp));
if ((fsp->oplock_type == LEVEL_II_OPLOCK) &&
(plock->lock_type == READ_LOCK)) {
DEBUG(10, ("is_locked: optimisation - level II oplock "
"on file %s\n", fsp_str_dbg(fsp)));
return true;
}
}