X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftdb2%2Ftdb1_transaction.c;h=9c526fb41e5d194fa10dcf2d910022881a3fc3ae;hp=d35c4bc4662463da5c2734e1092abcc59ba6efff;hb=a391b2b900bc6d5c0467869a454bdb5c51b5a3be;hpb=22d0e0dc59fc9d7e0046fec6971ef478c2d604fd diff --git a/ccan/tdb2/tdb1_transaction.c b/ccan/tdb2/tdb1_transaction.c index d35c4bc4..9c526fb4 100644 --- a/ccan/tdb2/tdb1_transaction.c +++ b/ccan/tdb2/tdb1_transaction.c @@ -378,7 +378,7 @@ static void transaction1_next_hash_chain(struct tdb1_context *tdb, uint32_t *cha */ static int transaction1_oob(struct tdb1_context *tdb, tdb1_off_t len, int probe) { - if (len <= tdb->map_size) { + if (len <= tdb->file->map_size) { return 0; } tdb->last_error = TDB_ERR_IO; @@ -478,8 +478,11 @@ static int _tdb1_transaction_start(struct tdb1_context *tdb) /* get a read lock from the freelist to the end of file. This is upgraded to a write lock during the commit */ if (tdb1_allrecord_lock(tdb, F_RDLCK, TDB_LOCK_WAIT, true) == -1) { - tdb_logerr(tdb, tdb->last_error, TDB_LOG_ERROR, - "tdb1_transaction_start: failed to get hash locks"); + if (errno != EAGAIN && errno != EINTR) { + tdb_logerr(tdb, tdb->last_error, TDB_LOG_ERROR, + "tdb1_transaction_start:" + " failed to get hash locks"); + } goto fail_allrecord_lock; } @@ -500,8 +503,8 @@ static int _tdb1_transaction_start(struct tdb1_context *tdb) /* make sure we know about any file expansions already done by anyone else */ - tdb->methods->tdb1_oob(tdb, tdb->map_size + 1, 1); - tdb->transaction->old_map_size = tdb->map_size; + tdb->methods->tdb1_oob(tdb, tdb->file->map_size + 1, 1); + tdb->transaction->old_map_size = tdb->file->map_size; /* finally hook the io methods, replacing them with transaction specific methods */ @@ -535,18 +538,18 @@ static int transaction1_sync(struct tdb1_context *tdb, tdb1_off_t offset, tdb1_l } #if HAVE_FDATASYNC - if (fdatasync(tdb->fd) != 0) { + if (fdatasync(tdb->file->fd) != 0) { #else - if (fsync(tdb->fd) != 0) { + if (fsync(tdb->file->fd) != 0) { #endif tdb->last_error = tdb_logerr(tdb, TDB_ERR_IO, TDB_LOG_ERROR, "tdb1_transaction: fsync failed"); return -1; } #if HAVE_MMAP - if (tdb->map_ptr) { + if (tdb->file->map_ptr) { tdb1_off_t moffset = offset & ~(tdb->page_size-1); - if (msync(moffset + (char *)tdb->map_ptr, + if (msync(moffset + (char *)tdb->file->map_ptr, length + (offset - moffset), MS_SYNC) != 0) { tdb->last_error = tdb_logerr(tdb, TDB_ERR_IO, TDB_LOG_ERROR, "tdb1_transaction:" @@ -577,7 +580,7 @@ static int _tdb1_transaction_cancel(struct tdb1_context *tdb) return 0; } - tdb->map_size = tdb->transaction->old_map_size; + tdb->file->map_size = tdb->transaction->old_map_size; /* free all the transaction blocks */ for (i=0;itransaction->num_blocks;i++) { @@ -724,11 +727,11 @@ static int tdb1_recovery_allocate(struct tdb1_context *tdb, /* round up to a multiple of page size */ *recovery_max_size = TDB1_ALIGN(sizeof(rec) + *recovery_size, tdb->page_size) - sizeof(rec); - *recovery_offset = tdb->map_size; + *recovery_offset = tdb->file->map_size; recovery_head = *recovery_offset; if (methods->tdb1_expand_file(tdb, tdb->transaction->old_map_size, - (tdb->map_size - tdb->transaction->old_map_size) + + (tdb->file->map_size - tdb->transaction->old_map_size) + sizeof(rec) + *recovery_max_size) == -1) { tdb_logerr(tdb, tdb->last_error, TDB_LOG_ERROR, "tdb1_recovery_allocate:" @@ -737,11 +740,11 @@ static int tdb1_recovery_allocate(struct tdb1_context *tdb, } /* remap the file (if using mmap) */ - methods->tdb1_oob(tdb, tdb->map_size + 1, 1); + methods->tdb1_oob(tdb, tdb->file->map_size + 1, 1); /* we have to reset the old map size so that we don't try to expand the file again in the transaction commit, which would destroy the recovery area */ - tdb->transaction->old_map_size = tdb->map_size; + tdb->transaction->old_map_size = tdb->file->map_size; /* write the recovery header offset and sync - we can sync without a race here as the magic ptr in the recovery record has not been set */ @@ -955,9 +958,11 @@ static int _tdb1_transaction_prepare_commit(struct tdb1_context *tdb) /* upgrade the main transaction lock region to a write lock */ if (tdb1_allrecord_upgrade(tdb) == -1) { - tdb_logerr(tdb, tdb->last_error, TDB_LOG_ERROR, - "tdb1_transaction_prepare_commit:" - " failed to upgrade hash locks"); + if (errno != EAGAIN && errno != EINTR) { + tdb_logerr(tdb, tdb->last_error, TDB_LOG_ERROR, + "tdb1_transaction_prepare_commit:" + " failed to upgrade hash locks"); + } _tdb1_transaction_cancel(tdb); return -1; } @@ -965,9 +970,11 @@ static int _tdb1_transaction_prepare_commit(struct tdb1_context *tdb) /* get the open lock - this prevents new users attaching to the database during the commit */ if (tdb1_nest_lock(tdb, TDB1_OPEN_LOCK, F_WRLCK, TDB_LOCK_WAIT) == -1) { - tdb_logerr(tdb, tdb->last_error, TDB_LOG_ERROR, - "tdb1_transaction_prepare_commit:" - " failed to get open lock"); + if (errno != EAGAIN && errno != EINTR) { + tdb_logerr(tdb, tdb->last_error, TDB_LOG_ERROR, + "tdb1_transaction_prepare_commit:" + " failed to get open lock"); + } _tdb1_transaction_cancel(tdb); return -1; } @@ -986,9 +993,9 @@ static int _tdb1_transaction_prepare_commit(struct tdb1_context *tdb) tdb->transaction->prepared = true; /* expand the file to the new size if needed */ - if (tdb->map_size != tdb->transaction->old_map_size) { + if (tdb->file->map_size != tdb->transaction->old_map_size) { if (methods->tdb1_expand_file(tdb, tdb->transaction->old_map_size, - tdb->map_size - + tdb->file->map_size - tdb->transaction->old_map_size) == -1) { tdb_logerr(tdb, tdb->last_error, TDB_LOG_ERROR, "tdb1_transaction_prepare_commit:" @@ -996,8 +1003,8 @@ static int _tdb1_transaction_prepare_commit(struct tdb1_context *tdb) _tdb1_transaction_cancel(tdb); return -1; } - tdb->map_size = tdb->transaction->old_map_size; - methods->tdb1_oob(tdb, tdb->map_size + 1, 1); + tdb->file->map_size = tdb->transaction->old_map_size; + methods->tdb1_oob(tdb, tdb->file->map_size + 1, 1); } /* Keep the open lock until the actual commit */ @@ -1123,7 +1130,7 @@ int tdb1_transaction_commit(struct tdb1_context *tdb) tdb->transaction->num_blocks = 0; /* ensure the new data is on disk */ - if (transaction1_sync(tdb, 0, tdb->map_size) == -1) { + if (transaction1_sync(tdb, 0, tdb->file->map_size) == -1) { return -1; } @@ -1242,7 +1249,7 @@ int tdb1_transaction_recover(struct tdb1_context *tdb) free(data); - if (transaction1_sync(tdb, 0, tdb->map_size) == -1) { + if (transaction1_sync(tdb, 0, tdb->file->map_size) == -1) { tdb_logerr(tdb, tdb->last_error, TDB_LOG_ERROR, "tdb1_transaction_recover: failed to sync recovery"); return -1;