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authorStefan Metzmacher <metze@samba.org>2008-03-06 15:47:27 +0100
committerStefan Metzmacher <metze@samba.org>2008-03-06 17:19:12 +0100
commitb7db5f7cb57eca4bf28fd8238e5f958a6038158e (patch)
treee41bd43cb93e463b49c6e4d6cd1a180bec896d7a /source4/ntvfs
parent0339ae5ad82c248b43afa9431b13cda536b18fd6 (diff)
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opendb: add allow_level_II_oplock parameter to odb_open_file()
Not all clients support a fallback to level II oplocks. metze (This used to be commit 146f1fe0b67ca0805f0e71358abc57da0c0579a9)
Diffstat (limited to 'source4/ntvfs')
-rw-r--r--source4/ntvfs/common/opendb.c4
-rw-r--r--source4/ntvfs/common/opendb.h1
-rw-r--r--source4/ntvfs/common/opendb_tdb.c32
3 files changed, 25 insertions, 12 deletions
diff --git a/source4/ntvfs/common/opendb.c b/source4/ntvfs/common/opendb.c
index 6c1a9c070a..a7e5458aaf 100644
--- a/source4/ntvfs/common/opendb.c
+++ b/source4/ntvfs/common/opendb.c
@@ -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);
}
diff --git a/source4/ntvfs/common/opendb.h b/source4/ntvfs/common/opendb.h
index 69a7f718ba..1c7f815dea 100644
--- a/source4/ntvfs/common/opendb.h
+++ b/source4/ntvfs/common/opendb.h
@@ -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,
diff --git a/source4/ntvfs/common/opendb_tdb.c b/source4/ntvfs/common/opendb_tdb.c
index 47b35f594c..0736af3d1e 100644
--- a/source4/ntvfs/common/opendb_tdb.c
+++ b/source4/ntvfs/common/opendb_tdb.c
@@ -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;