/* The open brlock.tdb database. */
-static TDB_CONTEXT *tdb;
+static struct db_context *brlock_db;
/****************************************************************************
Debug info at level 10 for lock struct.
void brl_init(int read_only)
{
- if (tdb) {
+ if (brlock_db) {
return;
}
- tdb = tdb_open_log(lock_path("brlock.tdb"),
- lp_open_files_db_hash_size(),
- TDB_DEFAULT|(read_only?0x0:TDB_CLEAR_IF_FIRST),
- read_only?O_RDONLY:(O_RDWR|O_CREAT), 0644 );
- if (!tdb) {
+ brlock_db = db_open(NULL, lock_path("brlock.tdb"),
+ lp_open_files_db_hash_size(),
+ TDB_DEFAULT
+ |TDB_VOLATILE
+ |(read_only?0x0:TDB_CLEAR_IF_FIRST),
+ read_only?O_RDONLY:(O_RDWR|O_CREAT), 0644 );
+ if (!brlock_db) {
DEBUG(0,("Failed to open byte range locking database %s\n",
lock_path("brlock.tdb")));
return;
void brl_shutdown(int read_only)
{
- if (!tdb) {
+ if (!brlock_db) {
return;
}
- tdb_close(tdb);
+ TALLOC_FREE(brlock_db);
}
#if ZERO_ZERO
****************************************************************************/
static NTSTATUS brl_lock_windows(struct byte_range_lock *br_lck,
- const struct lock_struct *plock, BOOL blocking_lock)
+ struct lock_struct *plock, BOOL blocking_lock)
{
unsigned int i;
files_struct *fsp = br_lck->fsp;
- struct lock_struct *locks = (struct lock_struct *)br_lck->lock_data;
+ struct lock_struct *locks = br_lck->lock_data;
for (i=0; i < br_lck->num_locks; i++) {
/* Do any Windows or POSIX locks conflict ? */
if (brl_conflict(&locks[i], plock)) {
+ /* Remember who blocked us. */
+ plock->context.smbpid = locks[i].context.smbpid;
return brl_lock_failed(fsp,plock,blocking_lock);
}
#if ZERO_ZERO
locks,
br_lck->num_locks,
&errno_ret)) {
+
+ /* We don't know who blocked us. */
+ plock->context.smbpid = 0xFFFFFFFF;
+
if (errno_ret == EACCES || errno_ret == EAGAIN) {
return NT_STATUS_FILE_LOCK_CONFLICT;
} else {
memcpy(&locks[br_lck->num_locks], plock, sizeof(struct lock_struct));
br_lck->num_locks += 1;
- br_lck->lock_data = (void *)locks;
+ br_lck->lock_data = locks;
br_lck->modified = True;
return NT_STATUS_OK;
}
/* Never get here. */
- smb_panic("brlock_posix_split_merge\n");
+ smb_panic("brlock_posix_split_merge");
/* Notreached. */
- abort();
+
/* Keep some compilers happy. */
return 0;
}
We must cope with range splits and merges.
****************************************************************************/
-static NTSTATUS brl_lock_posix(struct byte_range_lock *br_lck,
- const struct lock_struct *plock)
+static NTSTATUS brl_lock_posix(struct messaging_context *msg_ctx,
+ struct byte_range_lock *br_lck,
+ struct lock_struct *plock)
{
unsigned int i, count;
- struct lock_struct *locks = (struct lock_struct *)br_lck->lock_data;
+ struct lock_struct *locks = br_lck->lock_data;
struct lock_struct *tp;
BOOL lock_was_added = False;
BOOL signal_pending_read = False;
if (brl_conflict(curr_lock, plock)) {
/* No games with error messages. */
SAFE_FREE(tp);
+ /* Remember who blocked us. */
+ plock->context.smbpid = curr_lock->context.smbpid;
return NT_STATUS_FILE_LOCK_CONFLICT;
}
/* Just copy the Windows lock into the new array. */
/* Can't block ourselves with POSIX locks. */
/* No games with error messages. */
SAFE_FREE(tp);
+ /* Remember who blocked us. */
+ plock->context.smbpid = curr_lock->context.smbpid;
return NT_STATUS_FILE_LOCK_CONFLICT;
}
plock->size,
plock->lock_type,
&errno_ret)) {
+
+ /* We don't know who blocked us. */
+ plock->context.smbpid = 0xFFFFFFFF;
+
if (errno_ret == EACCES || errno_ret == EAGAIN) {
SAFE_FREE(tp);
return NT_STATUS_FILE_LOCK_CONFLICT;
}
br_lck->num_locks = count;
SAFE_FREE(br_lck->lock_data);
- br_lck->lock_data = (void *)tp;
+ br_lck->lock_data = tp;
locks = tp;
br_lck->modified = True;
DEBUG(10,("brl_lock_posix: sending unlock message to pid %s\n",
procid_str_static(&pend_lock->context.pid )));
- message_send_pid(pend_lock->context.pid,
- MSG_SMB_UNLOCK,
- NULL, 0, True);
+ messaging_send(msg_ctx, pend_lock->context.pid,
+ MSG_SMB_UNLOCK, &data_blob_null);
}
}
}
Lock a range of bytes.
****************************************************************************/
-NTSTATUS brl_lock(struct byte_range_lock *br_lck,
+NTSTATUS brl_lock(struct messaging_context *msg_ctx,
+ struct byte_range_lock *br_lck,
uint32 smbpid,
- struct process_id pid,
+ struct server_id pid,
br_off start,
br_off size,
enum brl_type lock_type,
enum brl_flavour lock_flav,
- BOOL blocking_lock)
+ BOOL blocking_lock,
+ uint32 *psmbpid)
{
NTSTATUS ret;
struct lock_struct lock;
if (lock_flav == WINDOWS_LOCK) {
ret = brl_lock_windows(br_lck, &lock, blocking_lock);
} else {
- ret = brl_lock_posix(br_lck, &lock);
+ ret = brl_lock_posix(msg_ctx, br_lck, &lock);
}
#if ZERO_ZERO
qsort(br_lck->lock_data, (size_t)br_lck->num_locks, sizeof(lock), lock_compare);
#endif
+ /* If we're returning an error, return who blocked us. */
+ if (!NT_STATUS_IS_OK(ret) && psmbpid) {
+ *psmbpid = lock.context.smbpid;
+ }
return ret;
}
Unlock a range of bytes - Windows semantics.
****************************************************************************/
-static BOOL brl_unlock_windows(struct byte_range_lock *br_lck, const struct lock_struct *plock)
+static BOOL brl_unlock_windows(struct messaging_context *msg_ctx,
+ struct byte_range_lock *br_lck,
+ const struct lock_struct *plock)
{
unsigned int i, j;
- struct lock_struct *locks = (struct lock_struct *)br_lck->lock_data;
+ struct lock_struct *locks = br_lck->lock_data;
enum brl_type deleted_lock_type = READ_LOCK; /* shut the compiler up.... */
#if ZERO_ZERO
DEBUG(10,("brl_unlock: sending unlock message to pid %s\n",
procid_str_static(&pend_lock->context.pid )));
- message_send_pid(pend_lock->context.pid,
- MSG_SMB_UNLOCK,
- NULL, 0, True);
+ messaging_send(msg_ctx, pend_lock->context.pid,
+ MSG_SMB_UNLOCK, &data_blob_null);
}
}
Unlock a range of bytes - POSIX semantics.
****************************************************************************/
-static BOOL brl_unlock_posix(struct byte_range_lock *br_lck, const struct lock_struct *plock)
+static BOOL brl_unlock_posix(struct messaging_context *msg_ctx,
+ struct byte_range_lock *br_lck,
+ const struct lock_struct *plock)
{
unsigned int i, j, count;
struct lock_struct *tp;
- struct lock_struct *locks = (struct lock_struct *)br_lck->lock_data;
+ struct lock_struct *locks = br_lck->lock_data;
BOOL overlap_found = False;
/* No zero-zero locks for POSIX. */
br_lck->num_locks = count;
SAFE_FREE(br_lck->lock_data);
locks = tp;
- br_lck->lock_data = (void *)tp;
+ br_lck->lock_data = tp;
br_lck->modified = True;
/* Send unlock messages to any pending waiters that overlap. */
DEBUG(10,("brl_unlock: sending unlock message to pid %s\n",
procid_str_static(&pend_lock->context.pid )));
- message_send_pid(pend_lock->context.pid,
- MSG_SMB_UNLOCK,
- NULL, 0, True);
+ messaging_send(msg_ctx, pend_lock->context.pid,
+ MSG_SMB_UNLOCK, &data_blob_null);
}
}
Unlock a range of bytes.
****************************************************************************/
-BOOL brl_unlock(struct byte_range_lock *br_lck,
+BOOL brl_unlock(struct messaging_context *msg_ctx,
+ struct byte_range_lock *br_lck,
uint32 smbpid,
- struct process_id pid,
+ struct server_id pid,
br_off start,
br_off size,
enum brl_flavour lock_flav)
lock.lock_flav = lock_flav;
if (lock_flav == WINDOWS_LOCK) {
- return brl_unlock_windows(br_lck, &lock);
+ return brl_unlock_windows(msg_ctx, br_lck, &lock);
} else {
- return brl_unlock_posix(br_lck, &lock);
+ return brl_unlock_posix(msg_ctx, br_lck, &lock);
}
}
BOOL brl_locktest(struct byte_range_lock *br_lck,
uint32 smbpid,
- struct process_id pid,
+ struct server_id pid,
br_off start,
br_off size,
enum brl_type lock_type,
BOOL ret = True;
unsigned int i;
struct lock_struct lock;
- const struct lock_struct *locks = (struct lock_struct *)br_lck->lock_data;
+ const struct lock_struct *locks = br_lck->lock_data;
files_struct *fsp = br_lck->fsp;
lock.context.smbpid = smbpid;
NTSTATUS brl_lockquery(struct byte_range_lock *br_lck,
uint32 *psmbpid,
- struct process_id pid,
+ struct server_id pid,
br_off *pstart,
br_off *psize,
enum brl_type *plock_type,
{
unsigned int i;
struct lock_struct lock;
- const struct lock_struct *locks = (struct lock_struct *)br_lck->lock_data;
+ const struct lock_struct *locks = br_lck->lock_data;
files_struct *fsp = br_lck->fsp;
lock.context.smbpid = *psmbpid;
BOOL brl_lock_cancel(struct byte_range_lock *br_lck,
uint32 smbpid,
- struct process_id pid,
+ struct server_id pid,
br_off start,
br_off size,
enum brl_flavour lock_flav)
{
unsigned int i;
- struct lock_struct *locks = (struct lock_struct *)br_lck->lock_data;
+ struct lock_struct *locks = br_lck->lock_data;
struct lock_context context;
context.smbpid = smbpid;
fd and so we should not immediately close the fd.
****************************************************************************/
-void brl_close_fnum(struct byte_range_lock *br_lck)
+void brl_close_fnum(struct messaging_context *msg_ctx,
+ struct byte_range_lock *br_lck)
{
files_struct *fsp = br_lck->fsp;
uint16 tid = fsp->conn->cnum;
int fnum = fsp->fnum;
unsigned int i, j, dcount=0;
int num_deleted_windows_locks = 0;
- struct lock_struct *locks = (struct lock_struct *)br_lck->lock_data;
- struct process_id pid = procid_self();
+ struct lock_struct *locks = br_lck->lock_data;
+ struct server_id pid = procid_self();
BOOL unlock_individually = False;
if(lp_posix_locking(fsp->conn->params)) {
unsigned int num_locks_copy;
/* Copy the current lock array. */
- locks_copy = (struct lock_struct *)TALLOC_MEMDUP(br_lck, locks, br_lck->num_locks * sizeof(struct lock_struct));
- if (!locks_copy) {
- smb_panic("brl_close_fnum: talloc fail.\n");
+ if (br_lck->num_locks) {
+ locks_copy = (struct lock_struct *)TALLOC_MEMDUP(br_lck, locks, br_lck->num_locks * sizeof(struct lock_struct));
+ if (!locks_copy) {
+ smb_panic("brl_close_fnum: talloc failed");
+ }
+ } else {
+ locks_copy = NULL;
}
+
num_locks_copy = br_lck->num_locks;
for (i=0; i < num_locks_copy; i++) {
if (lock->context.tid == tid && procid_equal(&lock->context.pid, &pid) &&
(lock->fnum == fnum)) {
- brl_unlock(br_lck,
+ brl_unlock(msg_ctx,
+ br_lck,
lock->context.smbpid,
pid,
lock->start,
/* We could send specific lock info here... */
if (brl_pending_overlap(lock, pend_lock)) {
- message_send_pid(pend_lock->context.pid,
- MSG_SMB_UNLOCK,
- NULL, 0, True);
+ messaging_send(msg_ctx, pend_lock->context.pid,
+ MSG_SMB_UNLOCK, &data_blob_null);
}
}
return True;
}
+struct brl_forall_cb {
+ void (*fn)(struct file_id id, struct server_id pid,
+ enum brl_type lock_type,
+ enum brl_flavour lock_flav,
+ br_off start, br_off size,
+ void *private_data);
+ void *private_data;
+};
+
/****************************************************************************
Traverse the whole database with this function, calling traverse_callback
on each lock.
****************************************************************************/
-static int traverse_fn(TDB_CONTEXT *ttdb, TDB_DATA kbuf, TDB_DATA dbuf, void *state)
+static int traverse_fn(struct db_record *rec, void *state)
{
+ struct brl_forall_cb *cb = (struct brl_forall_cb *)state;
struct lock_struct *locks;
- struct lock_key *key;
+ struct file_id *key;
unsigned int i;
unsigned int num_locks = 0;
unsigned int orig_num_locks = 0;
- BRLOCK_FN(traverse_callback) = (BRLOCK_FN_CAST())state;
-
/* In a traverse function we must make a copy of
dbuf before modifying it. */
- locks = (struct lock_struct *)memdup(dbuf.dptr, dbuf.dsize);
+ locks = (struct lock_struct *)memdup(rec->value.dptr,
+ rec->value.dsize);
if (!locks) {
return -1; /* Terminate traversal. */
}
- key = (struct lock_key *)kbuf.dptr;
- orig_num_locks = num_locks = dbuf.dsize/sizeof(*locks);
+ key = (struct file_id *)rec->key.dptr;
+ orig_num_locks = num_locks = rec->value.dsize/sizeof(*locks);
/* Ensure the lock db is clean of entries from invalid processes. */
}
if (orig_num_locks != num_locks) {
- dbuf.dptr = (char *)locks;
- dbuf.dsize = num_locks * sizeof(*locks);
-
- if (dbuf.dsize) {
- tdb_store(ttdb, kbuf, dbuf, TDB_REPLACE);
+ if (num_locks) {
+ TDB_DATA data;
+ data.dptr = (uint8_t *)locks;
+ data.dsize = num_locks*sizeof(struct lock_struct);
+ rec->store(rec, data, TDB_REPLACE);
} else {
- tdb_delete(ttdb, kbuf);
+ rec->delete_rec(rec);
}
}
for ( i=0; i<num_locks; i++) {
- traverse_callback(key->device,
- key->inode,
- locks[i].context.pid,
- locks[i].lock_type,
- locks[i].lock_flav,
- locks[i].start,
- locks[i].size);
+ cb->fn(*key,
+ locks[i].context.pid,
+ locks[i].lock_type,
+ locks[i].lock_flav,
+ locks[i].start,
+ locks[i].size,
+ cb->private_data);
}
SAFE_FREE(locks);
Call the specified function on each lock in the database.
********************************************************************/
-int brl_forall(BRLOCK_FN(fn))
+int brl_forall(void (*fn)(struct file_id id, struct server_id pid,
+ enum brl_type lock_type,
+ enum brl_flavour lock_flav,
+ br_off start, br_off size,
+ void *private_data),
+ void *private_data)
{
- if (!tdb) {
+ struct brl_forall_cb cb;
+
+ if (!brlock_db) {
return 0;
}
- return tdb_traverse(tdb, traverse_fn, (void *)fn);
+ cb.fn = fn;
+ cb.private_data = private_data;
+ return brlock_db->traverse(brlock_db, traverse_fn, &cb);
}
/*******************************************************************
{
TDB_DATA key;
- key.dptr = (char *)&br_lck->key;
- key.dsize = sizeof(struct lock_key);
+ key.dptr = (uint8 *)&br_lck->key;
+ key.dsize = sizeof(struct file_id);
if (br_lck->read_only) {
SMB_ASSERT(!br_lck->modified);
if (br_lck->num_locks == 0) {
/* No locks - delete this entry. */
- if (tdb_delete(tdb, key) == -1) {
- smb_panic("Could not delete byte range lock entry\n");
+ NTSTATUS status = br_lck->record->delete_rec(br_lck->record);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("delete_rec returned %s\n",
+ nt_errstr(status)));
+ smb_panic("Could not delete byte range lock entry");
}
} else {
TDB_DATA data;
- data.dptr = (char *)br_lck->lock_data;
+ NTSTATUS status;
+
+ data.dptr = (uint8 *)br_lck->lock_data;
data.dsize = br_lck->num_locks * sizeof(struct lock_struct);
- if (tdb_store(tdb, key, data, TDB_REPLACE) == -1) {
- smb_panic("Could not store byte range mode entry\n");
+ status = br_lck->record->store(br_lck->record, data,
+ TDB_REPLACE);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("store returned %s\n", nt_errstr(status)));
+ smb_panic("Could not store byte range mode entry");
}
}
done:
- if (!br_lck->read_only) {
- tdb_chainunlock(tdb, key);
- }
SAFE_FREE(br_lck->lock_data);
+ TALLOC_FREE(br_lck->record);
return 0;
}
static struct byte_range_lock *brl_get_locks_internal(TALLOC_CTX *mem_ctx,
files_struct *fsp, BOOL read_only)
{
- TDB_DATA key;
- TDB_DATA data;
+ TDB_DATA key, data;
struct byte_range_lock *br_lck = TALLOC_P(mem_ctx, struct byte_range_lock);
if (br_lck == NULL) {
br_lck->fsp = fsp;
br_lck->num_locks = 0;
br_lck->modified = False;
- memset(&br_lck->key, '\0', sizeof(struct lock_key));
- br_lck->key.device = fsp->dev;
- br_lck->key.inode = fsp->inode;
+ memset(&br_lck->key, '\0', sizeof(struct file_id));
+ br_lck->key = fsp->file_id;
- key.dptr = (char *)&br_lck->key;
- key.dsize = sizeof(struct lock_key);
+ key.dptr = (uint8 *)&br_lck->key;
+ key.dsize = sizeof(struct file_id);
if (!fsp->lockdb_clean) {
/* We must be read/write to clean
}
if (read_only) {
- br_lck->read_only = True;
- } else {
- if (tdb_chainlock(tdb, key) != 0) {
+ if (brlock_db->fetch(brlock_db, br_lck, key, &data) == -1) {
+ DEBUG(3, ("Could not fetch byte range lock record\n"));
+ TALLOC_FREE(br_lck);
+ return NULL;
+ }
+ br_lck->record = NULL;
+ }
+ else {
+ br_lck->record = brlock_db->fetch_locked(brlock_db, br_lck, key);
+
+ if (br_lck->record == NULL) {
DEBUG(3, ("Could not lock byte range lock entry\n"));
TALLOC_FREE(br_lck);
return NULL;
}
- br_lck->read_only = False;
+
+ data = br_lck->record->value;
}
+ br_lck->read_only = read_only;
+
talloc_set_destructor(br_lck, byte_range_lock_destructor);
- data = tdb_fetch(tdb, key);
- br_lck->lock_data = (void *)data.dptr;
br_lck->num_locks = data.dsize / sizeof(struct lock_struct);
+ if (!(br_lck->lock_data = SMB_MALLOC_ARRAY(
+ struct lock_struct, br_lck->num_locks))) {
+ DEBUG(0, ("malloc failed\n"));
+ TALLOC_FREE(br_lck);
+ return NULL;
+ }
+ memcpy(br_lck->lock_data, data.dptr, data.dsize);
+
if (!fsp->lockdb_clean) {
+ int orig_num_locks = br_lck->num_locks;
/* This is the first time we've accessed this. */
/* Go through and ensure all entries exist - remove any that don't. */
/* Makes the lockdb self cleaning at low cost. */
- struct lock_struct *locks =
- (struct lock_struct *)br_lck->lock_data;
-
- if (!validate_lock_entries(&br_lck->num_locks, &locks)) {
+ if (!validate_lock_entries(&br_lck->num_locks,
+ &br_lck->lock_data)) {
SAFE_FREE(br_lck->lock_data);
TALLOC_FREE(br_lck);
return NULL;
}
- /*
- * validate_lock_entries might have changed locks. We can't
- * use a direct pointer here because otherwise gcc warnes
- * about strict aliasing rules being violated.
- */
- br_lck->lock_data = locks;
+ /* Ensure invalid locks are cleaned up in the destructor. */
+ if (orig_num_locks != br_lck->num_locks) {
+ br_lck->modified = True;
+ }
/* Mark the lockdb as "clean" as seen from this open file. */
fsp->lockdb_clean = True;
if (DEBUGLEVEL >= 10) {
unsigned int i;
- struct lock_struct *locks = (struct lock_struct *)br_lck->lock_data;
- DEBUG(10,("brl_get_locks_internal: %u current locks on dev=%.0f, inode=%.0f\n",
+ struct lock_struct *locks = br_lck->lock_data;
+ DEBUG(10,("brl_get_locks_internal: %u current locks on file_id %s\n",
br_lck->num_locks,
- (double)fsp->dev, (double)fsp->inode ));
+ file_id_static_string(&fsp->file_id)));
for( i = 0; i < br_lck->num_locks; i++) {
print_lock_struct(i, &locks[i]);
}
{
return brl_get_locks_internal(mem_ctx, fsp, True);
}
+
+struct brl_revalidate_state {
+ ssize_t array_size;
+ uint32 num_pids;
+ struct server_id *pids;
+};
+
+/*
+ * Collect PIDs of all processes with pending entries
+ */
+
+static void brl_revalidate_collect(struct file_id id, struct server_id pid,
+ enum brl_type lock_type,
+ enum brl_flavour lock_flav,
+ br_off start, br_off size,
+ void *private_data)
+{
+ struct brl_revalidate_state *state =
+ (struct brl_revalidate_state *)private_data;
+
+ if (!IS_PENDING_LOCK(lock_type)) {
+ return;
+ }
+
+ add_to_large_array(state, sizeof(pid), (void *)&pid,
+ &state->pids, &state->num_pids,
+ &state->array_size);
+}
+
+/*
+ * qsort callback to sort the processes
+ */
+
+static int compare_procids(const void *p1, const void *p2)
+{
+ const struct server_id *i1 = (struct server_id *)p1;
+ const struct server_id *i2 = (struct server_id *)p2;
+
+ if (i1->pid < i2->pid) return -1;
+ if (i2->pid > i2->pid) return 1;
+ return 0;
+}
+
+/*
+ * Send a MSG_SMB_UNLOCK message to all processes with pending byte range
+ * locks so that they retry. Mainly used in the cluster code after a node has
+ * died.
+ *
+ * Done in two steps to avoid double-sends: First we collect all entries in an
+ * array, then qsort that array and only send to non-dupes.
+ */
+
+static void brl_revalidate(struct messaging_context *msg_ctx,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id server_id,
+ DATA_BLOB *data)
+{
+ struct brl_revalidate_state *state;
+ uint32 i;
+ struct server_id last_pid;
+
+ if (!(state = TALLOC_ZERO_P(NULL, struct brl_revalidate_state))) {
+ DEBUG(0, ("talloc failed\n"));
+ return;
+ }
+
+ brl_forall(brl_revalidate_collect, state);
+
+ if (state->array_size == -1) {
+ DEBUG(0, ("talloc failed\n"));
+ goto done;
+ }
+
+ if (state->num_pids == 0) {
+ goto done;
+ }
+
+ qsort(state->pids, state->num_pids, sizeof(state->pids[0]),
+ compare_procids);
+
+ ZERO_STRUCT(last_pid);
+
+ for (i=0; i<state->num_pids; i++) {
+ if (procid_equal(&last_pid, &state->pids[i])) {
+ /*
+ * We've seen that one already
+ */
+ continue;
+ }
+
+ messaging_send(msg_ctx, state->pids[i], MSG_SMB_UNLOCK,
+ &data_blob_null);
+ last_pid = state->pids[i];
+ }
+
+ done:
+ TALLOC_FREE(state);
+ return;
+}
+
+void brl_register_msgs(struct messaging_context *msg_ctx)
+{
+ messaging_register(msg_ctx, NULL, MSG_SMB_BRL_VALIDATE,
+ brl_revalidate);
+}
git.samba.org / jra / samba / .git / blobdiff