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author | Rusty Russell <rusty@rustcorp.com.au> | 2011-09-14 08:07:13 +0930 |
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committer | Rusty Russell <rusty@rustcorp.com.au> | 2011-09-14 08:07:13 +0930 |
commit | 0ea5db4e0d81907ccdc25c79aa3b6f8074775426 (patch) | |
tree | 583263a28c417b48e81834dab6ab89b745a0f280 /lib/tdb2/tdb1_lock.c | |
parent | b50b48f575d8ad2a709c89dab0a64e19e45d7b08 (diff) | |
download | samba-0ea5db4e0d81907ccdc25c79aa3b6f8074775426.tar.gz samba-0ea5db4e0d81907ccdc25c79aa3b6f8074775426.tar.bz2 samba-0ea5db4e0d81907ccdc25c79aa3b6f8074775426.zip |
tdb2: catch errors in tdb1_needs_recovery()
The tdb1 backend simply returns "true" if there's an error determining
if a tdb needs recovery. But this leads failtest down a rabbit hole;
it's better to return the error at this case (and makes for better for
diagnostics, since they will come from the first fault, not later in
tdb1_transaction_recover().
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 332d0c29baa6896e67c439aeb47f58a104fbc781)
Diffstat (limited to 'lib/tdb2/tdb1_lock.c')
-rw-r--r-- | lib/tdb2/tdb1_lock.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/lib/tdb2/tdb1_lock.c b/lib/tdb2/tdb1_lock.c index f21a22cacd..495e1d1bf6 100644 --- a/lib/tdb2/tdb1_lock.c +++ b/lib/tdb2/tdb1_lock.c @@ -162,13 +162,21 @@ static int tdb1_lock_list(struct tdb_context *tdb, int list, int ltype, check = !have_data_locks(tdb); ret = tdb1_nest_lock(tdb, lock_offset(list), ltype, waitflag); - if (ret == 0 && check && tdb1_needs_recovery(tdb)) { - tdb1_nest_unlock(tdb, lock_offset(list), ltype); + if (ret == 0 && check) { + tdb_bool_err berr = tdb1_needs_recovery(tdb); - if (tdb1_lock_and_recover(tdb) == -1) { + if (berr < 0) { return -1; } - return tdb1_lock_list(tdb, list, ltype, waitflag); + if (berr == true) { + tdb1_nest_unlock(tdb, lock_offset(list), ltype); + + if (tdb1_lock_and_recover(tdb) == -1) { + return -1; + } + return tdb1_lock_list(tdb, list, ltype, + waitflag); + } } } return ret; @@ -249,6 +257,7 @@ int tdb1_allrecord_lock(struct tdb_context *tdb, int ltype, enum tdb_lock_flags flags, bool upgradable) { enum TDB_ERROR ecode; + tdb_bool_err berr; /* tdb_lock_gradual() doesn't know about tdb->tdb1.traverse_read. */ if (tdb->tdb1.traverse_read && !(tdb->flags & TDB_NOLOCK)) { @@ -313,7 +322,12 @@ int tdb1_allrecord_lock(struct tdb_context *tdb, int ltype, tdb->file->allrecord_lock.ltype = upgradable ? F_WRLCK : ltype; tdb->file->allrecord_lock.off = upgradable; - if (tdb1_needs_recovery(tdb)) { + berr = tdb1_needs_recovery(tdb); + if (berr < 0) { + return -1; + } + + if (berr == true) { tdb1_allrecord_unlock(tdb, ltype); if (tdb1_lock_and_recover(tdb) == -1) { return -1; |