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opendb: add allow_level_II_oplock parameter to odb_open_file()

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Not all clients support a fallback to level II oplocks.

metze
(This used to be commit 146f1fe0b6)
This commit is contained in:
Stefan Metzmacher 2008-03-06 15:47:27 +01:00
parent 0339ae5ad8
commit b7db5f7cb5
5 changed files with 27 additions and 12 deletions
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1
source4/cluster/ctdb/opendb_ctdb.c
View File

@ -284,6 +284,7 @@ static NTSTATUS odb_ctdb_open_file(struct odb_lock *lck,
uint32_t stream_id, uint32_t share_access,
uint32_t access_mask, bool delete_on_close,
uint32_t open_disposition, bool break_to_none,
bool allow_level_II_oplock,
uint32_t oplock_level, uint32_t *oplock_granted)
{

1
source4/librpc/idl/opendb.idl
View File

@ -23,6 +23,7 @@ interface opendb
/* we need a per-entry delete on close, as well as a per-file
one, to cope with strange semantics on open */
boolean8 delete_on_close;
boolean8 allow_level_II_oplock;
uint32 oplock_level;
} opendb_entry;

4
source4/ntvfs/common/opendb.c
View File

@ -98,11 +98,13 @@ _PUBLIC_ NTSTATUS odb_open_file(struct odb_lock *lck,
uint32_t stream_id, uint32_t share_access,
uint32_t access_mask, bool delete_on_close,
uint32_t open_disposition, bool break_to_none,
bool allow_level_II_oplock,
uint32_t oplock_level, uint32_t *oplock_granted)
{
return ops->odb_open_file(lck, file_handle, path, stream_id, share_access,
access_mask, delete_on_close, open_disposition,
break_to_none, oplock_level, oplock_granted);
break_to_none, allow_level_II_oplock,
oplock_level, oplock_granted);
}

1
source4/ntvfs/common/opendb.h
View File

@ -30,6 +30,7 @@ struct opendb_ops {
uint32_t stream_id, uint32_t share_access,
uint32_t access_mask, bool delete_on_close,
uint32_t open_disposition, bool break_to_none,
bool allow_level_II_oplock,
uint32_t oplock_level, uint32_t *oplock_granted);
NTSTATUS (*odb_open_file_pending)(struct odb_lock *lck, void *private);
NTSTATUS (*odb_close_file)(struct odb_lock *lck, void *file_handle,

32
source4/ntvfs/common/opendb_tdb.c
View File

@ -344,7 +344,8 @@ static NTSTATUS odb_tdb_open_can_internal(struct odb_context *odb,
break request and suspending this call
until the break is acknowledged or the file
is closed */
if (break_to_none) {
if (break_to_none ||
!file->entries[i].allow_level_II_oplock) {
oplock_return = OPLOCK_BREAK_TO_NONE;
}
odb_oplock_break_send(odb, &file->entries[i],
@ -391,7 +392,8 @@ static NTSTATUS odb_tdb_open_can_internal(struct odb_context *odb,
* send an oplock break to the holder of the
* oplock and tell caller to retry later
*/
if (break_to_none) {
if (break_to_none ||
!file->entries[i].allow_level_II_oplock) {
oplock_return = OPLOCK_BREAK_TO_NONE;
}
odb_oplock_break_send(odb, &file->entries[i],
@ -418,6 +420,7 @@ static NTSTATUS odb_tdb_open_file(struct odb_lock *lck,
uint32_t stream_id, uint32_t share_access,
uint32_t access_mask, bool delete_on_close,
uint32_t open_disposition, bool break_to_none,
bool allow_level_II_oplock,
uint32_t oplock_level, uint32_t *oplock_granted)
{
struct odb_context *odb = lck->odb;
@ -447,13 +450,14 @@ static NTSTATUS odb_tdb_open_file(struct odb_lock *lck,
NT_STATUS_NOT_OK_RETURN(status);
/* see if it conflicts */
e.server = odb->ntvfs_ctx->server_id;
e.file_handle = file_handle;
e.stream_id = stream_id;
e.share_access = share_access;
e.access_mask = access_mask;
e.delete_on_close = delete_on_close;
e.oplock_level = OPLOCK_NONE;
e.server = odb->ntvfs_ctx->server_id;
e.file_handle = file_handle;
e.stream_id = stream_id;
e.share_access = share_access;
e.access_mask = access_mask;
e.delete_on_close = delete_on_close;
e.allow_level_II_oplock = allow_level_II_oplock;
e.oplock_level = OPLOCK_NONE;
/*
possibly grant an exclusive, batch or level2 oplock
@ -466,17 +470,23 @@ static NTSTATUS odb_tdb_open_file(struct odb_lock *lck,
if (file.num_entries == 0) {
e.oplock_level = OPLOCK_EXCLUSIVE;
*oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
} else {
} else if (allow_level_II_oplock) {
e.oplock_level = OPLOCK_LEVEL_II;
*oplock_granted = LEVEL_II_OPLOCK_RETURN;
} else {
e.oplock_level = OPLOCK_NONE;
*oplock_granted = NO_OPLOCK_RETURN;
}
} else if (oplock_level == OPLOCK_BATCH) {
if (file.num_entries == 0) {
e.oplock_level = OPLOCK_BATCH;
*oplock_granted = BATCH_OPLOCK_RETURN;
} else {
} else if (allow_level_II_oplock) {
e.oplock_level = OPLOCK_LEVEL_II;
*oplock_granted = LEVEL_II_OPLOCK_RETURN;
} else {
e.oplock_level = OPLOCK_NONE;
*oplock_granted = NO_OPLOCK_RETURN;
}
} else if (oplock_level == OPLOCK_LEVEL_II) {
e.oplock_level = OPLOCK_LEVEL_II;