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authorStefan Metzmacher <metze@samba.org>2008-04-15 16:00:42 +0200
committerStefan Metzmacher <metze@samba.org>2008-06-03 14:03:49 +0200
commit0827b08a433b7dec91be7ca7406804087f3fef07 (patch)
treeaca0eecdf1c86d9f258277eb3fbd84d06599bdb1
parent6610a6c49a2140747aa8e36c26f855953471140d (diff)
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opendb: add write time handling
metze (This used to be commit 3868d8ce630c71e2c70aae442fcdbd68ba1eb708)
-rw-r--r--source4/cluster/ctdb/opendb_ctdb.c51
-rw-r--r--source4/librpc/idl/opendb.idl2
-rw-r--r--source4/ntvfs/common/opendb.c24
-rw-r--r--source4/ntvfs/common/opendb.h9
-rw-r--r--source4/ntvfs/common/opendb_tdb.c51
-rw-r--r--source4/ntvfs/posix/pvfs_open.c23
-rw-r--r--source4/ntvfs/posix/vfs_posix.h8
7 files changed, 116 insertions, 52 deletions
diff --git a/source4/cluster/ctdb/opendb_ctdb.c b/source4/cluster/ctdb/opendb_ctdb.c
index ed09cf0bbc..b1faf9e0e6 100644
--- a/source4/cluster/ctdb/opendb_ctdb.c
+++ b/source4/cluster/ctdb/opendb_ctdb.c
@@ -283,7 +283,8 @@ static NTSTATUS odb_oplock_break_send(struct odb_context *odb, struct opendb_ent
*/
static NTSTATUS odb_ctdb_open_file(struct odb_lock *lck,
void *file_handle, const char *path,
- int *fd, bool allow_level_II_oplock,
+ int *fd, NTTIME open_write_time,
+ bool allow_level_II_oplock,
uint32_t oplock_level, uint32_t *oplock_granted)
{
@@ -492,37 +493,30 @@ static NTSTATUS odb_ctdb_set_delete_on_close(struct odb_lock *lck, bool del_on_c
return odb_push_record(lck, &file);
}
+static NTSTATUS odb_ctdb_set_write_time(struct odb_lock *lck,
+ NTTIME write_time, bool force)
+{
+ /*
+ * as this file will went away and isn't used yet,
+ * copy the implementation from the tdb backend
+ * --metze
+ */
+ return NT_STATUS_FOOBAR;
+}
+
/*
return the current value of the delete_on_close bit, and how many
people still have the file open
*/
-static NTSTATUS odb_ctdb_get_delete_on_close(struct odb_context *odb,
- DATA_BLOB *key, bool *del_on_close)
+static NTSTATUS odb_ctdb_get_file_infos(struct odb_context *odb, DATA_BLOB *key,
+ bool *del_on_close, NTTIME *write_time)
{
- NTSTATUS status;
- struct opendb_file file;
- struct odb_lock *lck;
-
- (*del_on_close) = false;
-
- lck = odb_lock(odb, odb, key);
- NT_STATUS_HAVE_NO_MEMORY(lck);
-
- status = odb_pull_record(lck, &file);
- if (NT_STATUS_EQUAL(NT_STATUS_OBJECT_NAME_NOT_FOUND, status)) {
- talloc_free(lck);
- return NT_STATUS_OK;
- }
- if (!NT_STATUS_IS_OK(status)) {
- talloc_free(lck);
- return status;
- }
-
- (*del_on_close) = file.delete_on_close;
-
- talloc_free(lck);
-
- return NT_STATUS_OK;
+ /*
+ * as this file will went away and isn't used yet,
+ * copy the implementation from the tdb backend
+ * --metze
+ */
+ return NT_STATUS_FOOBAR;
}
@@ -589,7 +583,8 @@ static const struct opendb_ops opendb_ctdb_ops = {
.odb_rename = odb_ctdb_rename,
.odb_get_path = odb_ctdb_get_path,
.odb_set_delete_on_close = odb_ctdb_set_delete_on_close,
- .odb_get_delete_on_close = odb_ctdb_get_delete_on_close,
+ .odb_set_write_time = odb_ctdb_set_write_time,
+ .odb_get_file_infos = odb_ctdb_get_file_infos,
.odb_can_open = odb_ctdb_can_open,
.odb_update_oplock = odb_ctdb_update_oplock,
.odb_break_oplocks = odb_ctdb_break_oplocks
diff --git a/source4/librpc/idl/opendb.idl b/source4/librpc/idl/opendb.idl
index 72bf23a9b4..cdbaa6cb1b 100644
--- a/source4/librpc/idl/opendb.idl
+++ b/source4/librpc/idl/opendb.idl
@@ -35,6 +35,8 @@ interface opendb
typedef [public] struct {
boolean8 delete_on_close;
+ NTTIME open_write_time;
+ NTTIME changed_write_time;
utf8string path;
uint32 num_entries;
opendb_entry entries[num_entries];
diff --git a/source4/ntvfs/common/opendb.c b/source4/ntvfs/common/opendb.c
index 2913ea8431..6917bad52a 100644
--- a/source4/ntvfs/common/opendb.c
+++ b/source4/ntvfs/common/opendb.c
@@ -97,11 +97,13 @@ DATA_BLOB odb_get_key(TALLOC_CTX *mem_ctx, struct odb_lock *lck)
*/
NTSTATUS odb_open_file(struct odb_lock *lck,
void *file_handle, const char *path,
- int *fd, bool allow_level_II_oplock,
+ int *fd, NTTIME open_write_time,
+ bool allow_level_II_oplock,
uint32_t oplock_level, uint32_t *oplock_granted)
{
return ops->odb_open_file(lck, file_handle, path,
- fd, allow_level_II_oplock,
+ fd, open_write_time,
+ allow_level_II_oplock,
oplock_level, oplock_granted);
}
@@ -159,15 +161,23 @@ NTSTATUS odb_set_delete_on_close(struct odb_lock *lck, bool del_on_close)
}
/*
- return the current value of the delete_on_close bit, and how many
- people still have the file open
+ update the write time on an open file
*/
-NTSTATUS odb_get_delete_on_close(struct odb_context *odb,
- DATA_BLOB *key, bool *del_on_close)
+NTSTATUS odb_set_write_time(struct odb_lock *lck,
+ NTTIME write_time, bool force)
{
- return ops->odb_get_delete_on_close(odb, key, del_on_close);
+ return ops->odb_set_write_time(lck, write_time, force);
}
+/*
+ return the current value of the delete_on_close bit,
+ and the current write time.
+*/
+NTSTATUS odb_get_file_infos(struct odb_context *odb, DATA_BLOB *key,
+ bool *del_on_close, NTTIME *write_time)
+{
+ return ops->odb_get_file_infos(odb, key, del_on_close, write_time);
+}
/*
determine if a file can be opened with the given share_access,
diff --git a/source4/ntvfs/common/opendb.h b/source4/ntvfs/common/opendb.h
index 045476337a..179db111ca 100644
--- a/source4/ntvfs/common/opendb.h
+++ b/source4/ntvfs/common/opendb.h
@@ -27,7 +27,8 @@ struct opendb_ops {
DATA_BLOB (*odb_get_key)(TALLOC_CTX *mem_ctx, struct odb_lock *lck);
NTSTATUS (*odb_open_file)(struct odb_lock *lck,
void *file_handle, const char *path,
- int *fd, bool allow_level_II_oplock,
+ int *fd, NTTIME open_write_time,
+ 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,
@@ -36,8 +37,10 @@ struct opendb_ops {
NTSTATUS (*odb_rename)(struct odb_lock *lck, const char *path);
NTSTATUS (*odb_get_path)(struct odb_lock *lck, const char **path);
NTSTATUS (*odb_set_delete_on_close)(struct odb_lock *lck, bool del_on_close);
- NTSTATUS (*odb_get_delete_on_close)(struct odb_context *odb,
- DATA_BLOB *key, bool *del_on_close);
+ NTSTATUS (*odb_set_write_time)(struct odb_lock *lck,
+ NTTIME write_time, bool force);
+ NTSTATUS (*odb_get_file_infos)(struct odb_context *odb, DATA_BLOB *key,
+ bool *del_on_close, NTTIME *write_time);
NTSTATUS (*odb_can_open)(struct odb_lock *lck,
uint32_t stream_id, uint32_t share_access,
uint32_t access_mask, bool delete_on_close,
diff --git a/source4/ntvfs/common/opendb_tdb.c b/source4/ntvfs/common/opendb_tdb.c
index 99c0a95c20..d7531297ed 100644
--- a/source4/ntvfs/common/opendb_tdb.c
+++ b/source4/ntvfs/common/opendb_tdb.c
@@ -452,7 +452,8 @@ static NTSTATUS odb_tdb_open_can_internal(struct odb_context *odb,
*/
static NTSTATUS odb_tdb_open_file(struct odb_lock *lck,
void *file_handle, const char *path,
- int *fd, bool allow_level_II_oplock,
+ int *fd, NTTIME open_write_time,
+ bool allow_level_II_oplock,
uint32_t oplock_level, uint32_t *oplock_granted)
{
struct odb_context *odb = lck->odb;
@@ -474,6 +475,10 @@ static NTSTATUS odb_tdb_open_file(struct odb_lock *lck,
NT_STATUS_HAVE_NO_MEMORY(lck->file.path);
}
+ if (lck->file.open_write_time == 0) {
+ lck->file.open_write_time = open_write_time;
+ }
+
/*
possibly grant an exclusive, batch or level2 oplock
*/
@@ -785,20 +790,53 @@ static NTSTATUS odb_tdb_set_delete_on_close(struct odb_lock *lck, bool del_on_cl
}
/*
+ update the write time on an open file
+*/
+static NTSTATUS odb_tdb_set_write_time(struct odb_lock *lck,
+ NTTIME write_time, bool force)
+{
+ if (lck->file.path == NULL) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ if (lck->file.changed_write_time != 0 && !force) {
+ return NT_STATUS_OK;
+ }
+
+ lck->file.changed_write_time = write_time;
+
+ return odb_push_record(lck, &lck->file);
+}
+
+/*
return the current value of the delete_on_close bit, and how many
people still have the file open
*/
-static NTSTATUS odb_tdb_get_delete_on_close(struct odb_context *odb,
- DATA_BLOB *key, bool *del_on_close)
+static NTSTATUS odb_tdb_get_file_infos(struct odb_context *odb, DATA_BLOB *key,
+ bool *del_on_close, NTTIME *write_time)
{
struct odb_lock *lck;
- (*del_on_close) = false;
+ if (del_on_close) {
+ *del_on_close = false;
+ }
+ if (write_time) {
+ *write_time = 0;
+ }
lck = odb_lock(odb, odb, key);
NT_STATUS_HAVE_NO_MEMORY(lck);
- (*del_on_close) = lck->file.delete_on_close;
+ if (del_on_close) {
+ *del_on_close = lck->file.delete_on_close;
+ }
+ if (write_time) {
+ if (lck->file.changed_write_time == 0) {
+ *write_time = lck->file.open_write_time;
+ } else {
+ *write_time = lck->file.changed_write_time;
+ }
+ }
talloc_free(lck);
@@ -852,7 +890,8 @@ static const struct opendb_ops opendb_tdb_ops = {
.odb_rename = odb_tdb_rename,
.odb_get_path = odb_tdb_get_path,
.odb_set_delete_on_close = odb_tdb_set_delete_on_close,
- .odb_get_delete_on_close = odb_tdb_get_delete_on_close,
+ .odb_set_write_time = odb_tdb_set_write_time,
+ .odb_get_file_infos = odb_tdb_get_file_infos,
.odb_can_open = odb_tdb_can_open,
.odb_update_oplock = odb_tdb_update_oplock,
.odb_break_oplocks = odb_tdb_break_oplocks
diff --git a/source4/ntvfs/posix/pvfs_open.c b/source4/ntvfs/posix/pvfs_open.c
index dada9f503f..bdb6c9bad0 100644
--- a/source4/ntvfs/posix/pvfs_open.c
+++ b/source4/ntvfs/posix/pvfs_open.c
@@ -280,6 +280,7 @@ static NTSTATUS pvfs_open_directory(struct pvfs_state *pvfs,
f->handle->position = 0;
f->handle->mode = 0;
f->handle->oplock = NULL;
+ ZERO_STRUCT(f->handle->write_time);
f->handle->open_completed = false;
if ((create_options & NTCREATEX_OPTIONS_DELETE_ON_CLOSE) &&
@@ -317,7 +318,8 @@ static NTSTATUS pvfs_open_directory(struct pvfs_state *pvfs,
/* now really mark the file as open */
status = odb_open_file(lck, f->handle, name->full_name,
- NULL, false, OPLOCK_NONE, NULL);
+ NULL, name->dos.write_time,
+ false, OPLOCK_NONE, NULL);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(lck);
@@ -377,7 +379,8 @@ static NTSTATUS pvfs_open_directory(struct pvfs_state *pvfs,
}
status = odb_open_file(lck, f->handle, name->full_name,
- NULL, false, OPLOCK_NONE, NULL);
+ NULL, name->dos.write_time,
+ false, OPLOCK_NONE, NULL);
if (!NT_STATUS_IS_OK(status)) {
goto cleanup_delete;
@@ -594,8 +597,8 @@ static NTSTATUS pvfs_create_file(struct pvfs_state *pvfs,
DATA_BLOB locking_key;
status = pvfs_locking_key(parent, req, &locking_key);
NT_STATUS_NOT_OK_RETURN(status);
- status = odb_get_delete_on_close(pvfs->odb_context, &locking_key,
- &del_on_close);
+ status = odb_get_file_infos(pvfs->odb_context, &locking_key,
+ &del_on_close, NULL);
NT_STATUS_NOT_OK_RETURN(status);
if (del_on_close) {
return NT_STATUS_DELETE_PENDING;
@@ -730,10 +733,12 @@ static NTSTATUS pvfs_create_file(struct pvfs_state *pvfs,
f->handle->mode = 0;
f->handle->oplock = NULL;
f->handle->have_opendb_entry = true;
+ ZERO_STRUCT(f->handle->write_time);
f->handle->open_completed = false;
status = odb_open_file(lck, f->handle, name->full_name,
- &f->handle->fd, allow_level_II_oplock,
+ &f->handle->fd, name->dos.write_time,
+ allow_level_II_oplock,
oplock_level, &oplock_granted);
talloc_free(lck);
if (!NT_STATUS_IS_OK(status)) {
@@ -1334,6 +1339,7 @@ NTSTATUS pvfs_open(struct ntvfs_module_context *ntvfs,
f->handle->mode = 0;
f->handle->oplock = NULL;
f->handle->have_opendb_entry = false;
+ ZERO_STRUCT(f->handle->write_time);
f->handle->open_completed = false;
/* form the lock context used for byte range locking and
@@ -1437,7 +1443,8 @@ NTSTATUS pvfs_open(struct ntvfs_module_context *ntvfs,
/* now really mark the file as open */
status = odb_open_file(lck, f->handle, name->full_name,
- &f->handle->fd, allow_level_II_oplock,
+ &f->handle->fd, name->dos.write_time,
+ allow_level_II_oplock,
oplock_level, &oplock_granted);
if (!NT_STATUS_IS_OK(status)) {
@@ -1915,8 +1922,8 @@ bool pvfs_delete_on_close_set(struct pvfs_state *pvfs, struct pvfs_file_handle *
NTSTATUS status;
bool del_on_close;
- status = odb_get_delete_on_close(pvfs->odb_context, &h->odb_locking_key,
- &del_on_close);
+ status = odb_get_file_infos(pvfs->odb_context, &h->odb_locking_key,
+ &del_on_close, NULL);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1,("WARNING: unable to determine delete on close status for open file\n"));
return false;
diff --git a/source4/ntvfs/posix/vfs_posix.h b/source4/ntvfs/posix/vfs_posix.h
index c194698b64..875deb4015 100644
--- a/source4/ntvfs/posix/vfs_posix.h
+++ b/source4/ntvfs/posix/vfs_posix.h
@@ -169,6 +169,14 @@ struct pvfs_file_handle {
/* we need this hook back to our parent for lock destruction */
struct pvfs_state *pvfs;
+ struct {
+ bool update_triggered;
+ struct timed_event *update_event;
+ bool update_on_close;
+ NTTIME close_time;
+ bool update_forced;
+ } write_time;
+
/* the open went through to completion */
bool open_completed;
};