On Fri, Jan 22, 2021 at 6:24 AM Christian Mauderer < christian.maude...@embedded-brains.de> wrote:
> Adds a peek function that allows (for example) a file system to suggest > the next blocks that should be used for read ahead. This can increase > the read speed of fragmented files. > --- > cpukit/include/rtems/bdbuf.h | 21 ++++ > cpukit/include/rtems/diskdevs.h | 27 ++++- > cpukit/libblock/src/bdbuf.c | 80 +++++++++++---- > cpukit/libblock/src/blkdev-print-stats.c | 28 ++--- > testsuites/fstests/fsdosfswrite01/init.c | 51 +++++----- > testsuites/libtests/block14/block14.scn | 37 ++++--- > testsuites/libtests/block14/init.c | 124 +++++++++++++++++------ > 7 files changed, 264 insertions(+), 104 deletions(-) > > diff --git a/cpukit/include/rtems/bdbuf.h b/cpukit/include/rtems/bdbuf.h > index fbb4fc05e9..0cde571816 100644 > --- a/cpukit/include/rtems/bdbuf.h > +++ b/cpukit/include/rtems/bdbuf.h > @@ -539,6 +539,27 @@ rtems_bdbuf_read ( > rtems_bdbuf_buffer** bd > ); > > +/** > + * Provide a hint to the read ahead mechanism which blocks should be > cached > + * next. This overwrites the default linear pattern. You should use it in > (for > + * example) a file system to tell bdbuf where the next part of a > fragmented file > + * is. If you know the length of the file, you can provide that too. > + * > + * Before you can use this function, the rtems_bdbuf_init() routine must > be > + * called at least once to initialize everything. Otherwise you might get > + * unexpected results. > + * > + * @param dd [in] The disk device. > + * @param block [in] Linear media block number. > + * @param nr_blocks [in] Number of consecutive blocks that can be > pre-fetched. > + */ > +void > +rtems_bdbuf_peek ( > + rtems_disk_device *dd, > + rtems_blkdev_bnum block, > + uint32_t nr_blocks > +); > + > /** > * Release the buffer obtained by a read call back to the cache. If the > buffer > * was obtained by a get call and was not already in the cache the release > diff --git a/cpukit/include/rtems/diskdevs.h > b/cpukit/include/rtems/diskdevs.h > index 85d157dcd5..d7529cbe89 100644 > --- a/cpukit/include/rtems/diskdevs.h > +++ b/cpukit/include/rtems/diskdevs.h > @@ -58,6 +58,11 @@ typedef int (*rtems_block_device_ioctl)( > */ > #define RTEMS_DISK_READ_AHEAD_NO_TRIGGER ((rtems_blkdev_bnum) -1) > > +/** > + * @brief Size value to set number of blocks based on config and disk > size. > + */ > +#define RTEMS_DISK_READ_AHEAD_SIZE_AUTO (0) > + > /** > * @brief Block device read-ahead control. > */ > @@ -71,7 +76,8 @@ typedef struct { > * @brief Block value to trigger the read-ahead request. > * > * A value of @ref RTEMS_DISK_READ_AHEAD_NO_TRIGGER will disable further > - * read-ahead requests since no valid block can have this value. > + * read-ahead requests (except the ones triggered by @a > rtems_bdbuf_peek) > + * since no valid block can have this value. > */ > rtems_blkdev_bnum trigger; > > @@ -82,6 +88,14 @@ typedef struct { > * be arbitrary. > */ > rtems_blkdev_bnum next; > + > + /** > + * @brief Size of the next read-ahead request in blocks. > + * > + * A value of @ref RTEMS_DISK_READ_AHEAD_SIZE_AUTO will try to read the > rest > + * of the disk but at most the configured max_read_ahead_blocks. > + */ > + uint32_t nr_blocks; > } rtems_blkdev_read_ahead; > > /** > @@ -110,10 +124,19 @@ typedef struct { > /** > * @brief Read-ahead transfer count. > * > - * Each read-ahead transfer may read multiple blocks. > + * Each read-ahead transfer may read multiple blocks. This counts all > + * transfers (with and without size). > */ > uint32_t read_ahead_transfers; > > + /** > + * @brief Read-ahead transfers with given size. > + * > + * Number of times a read ahead transfer has been given a size. This is > the > + * case for read ahead transfers that are caused by a peek. > + */ > + uint32_t read_ahead_transfers_with_size; A little bit wordy. Maybe you just want to count the number of peeks? > + > /** > * @brief Count of blocks transfered from the device. > */ > diff --git a/cpukit/libblock/src/bdbuf.c b/cpukit/libblock/src/bdbuf.c > index a7d471507c..02acf11f54 100644 > --- a/cpukit/libblock/src/bdbuf.c > +++ b/cpukit/libblock/src/bdbuf.c > @@ -2018,6 +2018,23 @@ rtems_bdbuf_read_ahead_reset (rtems_disk_device *dd) > dd->read_ahead.trigger = RTEMS_DISK_READ_AHEAD_NO_TRIGGER; > } > > +static void > +rtems_bdbuf_read_ahead_add_to_chain (rtems_disk_device *dd) > +{ > + rtems_status_code sc; > + rtems_chain_control *chain = &bdbuf_cache.read_ahead_chain; > + > + if (rtems_chain_is_empty (chain)) > + { > + sc = rtems_event_send (bdbuf_cache.read_ahead_task, > + RTEMS_BDBUF_READ_AHEAD_WAKE_UP); > + if (sc != RTEMS_SUCCESSFUL) > + rtems_bdbuf_fatal (RTEMS_BDBUF_FATAL_RA_WAKE_UP); > + } > + > + rtems_chain_append_unprotected (chain, &dd->read_ahead.node); > +} > + > static void > rtems_bdbuf_check_read_ahead_trigger (rtems_disk_device *dd, > rtems_blkdev_bnum block) > @@ -2026,18 +2043,8 @@ rtems_bdbuf_check_read_ahead_trigger > (rtems_disk_device *dd, > && dd->read_ahead.trigger == block > && !rtems_bdbuf_is_read_ahead_active (dd)) > { > - rtems_status_code sc; > - rtems_chain_control *chain = &bdbuf_cache.read_ahead_chain; > - > - if (rtems_chain_is_empty (chain)) > - { > - sc = rtems_event_send (bdbuf_cache.read_ahead_task, > - RTEMS_BDBUF_READ_AHEAD_WAKE_UP); > - if (sc != RTEMS_SUCCESSFUL) > - rtems_bdbuf_fatal (RTEMS_BDBUF_FATAL_RA_WAKE_UP); > - } > - > - rtems_chain_append_unprotected (chain, &dd->read_ahead.node); > + dd->read_ahead.nr_blocks = RTEMS_DISK_READ_AHEAD_SIZE_AUTO; > + rtems_bdbuf_read_ahead_add_to_chain(dd); > } > } > > @@ -2112,6 +2119,24 @@ rtems_bdbuf_read (rtems_disk_device *dd, > return sc; > } > > +void > +rtems_bdbuf_peek (rtems_disk_device *dd, > + rtems_blkdev_bnum block, > + uint32_t nr_blocks) > +{ > + rtems_bdbuf_lock_cache (); > + > + if (bdbuf_cache.read_ahead_enabled) > + { > + rtems_bdbuf_read_ahead_reset(dd); > + dd->read_ahead.next = block; > + dd->read_ahead.nr_blocks = nr_blocks; > + rtems_bdbuf_read_ahead_add_to_chain(dd); > + } > + > + rtems_bdbuf_unlock_cache (); > +} > + > static rtems_status_code > rtems_bdbuf_check_bd_and_lock_cache (rtems_bdbuf_buffer *bd, const char > *kind) > { > @@ -2952,18 +2977,33 @@ rtems_bdbuf_read_ahead_task (rtems_task_argument > arg) > > if (bd != NULL) > { > - uint32_t transfer_count = dd->block_count - block; > + uint32_t transfer_count = dd->read_ahead.nr_blocks; > + uint32_t blocks_till_end_of_disk = dd->block_count - block; > Use "until" or "til" with one l. "Till" means something else (like a cashier's register). > uint32_t max_transfer_count = > bdbuf_config.max_read_ahead_blocks; > > - if (transfer_count >= max_transfer_count) > - { > + if (transfer_count > blocks_till_end_of_disk) { > + transfer_count = blocks_till_end_of_disk; > + } > + > + if (transfer_count > max_transfer_count) { > transfer_count = max_transfer_count; > - dd->read_ahead.trigger = block + transfer_count / 2; > - dd->read_ahead.next = block + transfer_count; > } > - else > - { > - dd->read_ahead.trigger = RTEMS_DISK_READ_AHEAD_NO_TRIGGER; > + > + if (transfer_count == RTEMS_DISK_READ_AHEAD_SIZE_AUTO) { > + transfer_count = blocks_till_end_of_disk; > + > + if (transfer_count >= max_transfer_count) > I think this can only be == by this point? + { > + transfer_count = max_transfer_count; > Then, this is redundant. > + dd->read_ahead.trigger = block + transfer_count / 2; > + dd->read_ahead.next = block + transfer_count; > + } > + else > + { > + dd->read_ahead.trigger = RTEMS_DISK_READ_AHEAD_NO_TRIGGER; > + } > + } else { > + ++dd->stats.read_ahead_transfers_with_size; > } > > ++dd->stats.read_ahead_transfers; > diff --git a/cpukit/libblock/src/blkdev-print-stats.c > b/cpukit/libblock/src/blkdev-print-stats.c > index 8edf24fd8c..8e07e97b68 100644 > --- a/cpukit/libblock/src/blkdev-print-stats.c > +++ b/cpukit/libblock/src/blkdev-print-stats.c > @@ -40,25 +40,27 @@ void rtems_blkdev_print_stats( > printer, > > "-------------------------------------------------------------------------------\n" > " DEVICE STATISTICS\n" > - > > "----------------------+--------------------------------------------------------\n" > - " MEDIA BLOCK SIZE | %" PRIu32 "\n" > - " MEDIA BLOCK COUNT | %" PRIu32 "\n" > - " BLOCK SIZE | %" PRIu32 "\n" > - " READ HITS | %" PRIu32 "\n" > - " READ MISSES | %" PRIu32 "\n" > - " READ AHEAD TRANSFERS | %" PRIu32 "\n" > - " READ BLOCKS | %" PRIu32 "\n" > - " READ ERRORS | %" PRIu32 "\n" > - " WRITE TRANSFERS | %" PRIu32 "\n" > - " WRITE BLOCKS | %" PRIu32 "\n" > - " WRITE ERRORS | %" PRIu32 "\n" > - > > "----------------------+--------------------------------------------------------\n", > + > > "--------------------------------+----------------------------------------------\n" > + " MEDIA BLOCK SIZE | %" PRIu32 "\n" > + " MEDIA BLOCK COUNT | %" PRIu32 "\n" > + " BLOCK SIZE | %" PRIu32 "\n" > + " READ HITS | %" PRIu32 "\n" > + " READ MISSES | %" PRIu32 "\n" > + " READ AHEAD TRANSFERS | %" PRIu32 "\n" > + " READ AHEAD TRANSFERS WITH SIZE | %" PRIu32 "\n" > + " READ BLOCKS | %" PRIu32 "\n" > + " READ ERRORS | %" PRIu32 "\n" > + " WRITE TRANSFERS | %" PRIu32 "\n" > + " WRITE BLOCKS | %" PRIu32 "\n" > + " WRITE ERRORS | %" PRIu32 "\n" > + > > "--------------------------------+----------------------------------------------\n", > media_block_size, > media_block_count, > block_size, > stats->read_hits, > stats->read_misses, > stats->read_ahead_transfers, > + stats->read_ahead_transfers_with_size, > stats->read_blocks, > stats->read_errors, > stats->write_transfers, > diff --git a/testsuites/fstests/fsdosfswrite01/init.c > b/testsuites/fstests/fsdosfswrite01/init.c > index e5d8e5d6dd..e87289cf6d 100644 > --- a/testsuites/fstests/fsdosfswrite01/init.c > +++ b/testsuites/fstests/fsdosfswrite01/init.c > @@ -126,34 +126,37 @@ static void test_normal_file_write( > const char *file_name ) > { > static const rtems_blkdev_stats complete_existing_block_stats = { > - .read_hits = 0, > - .read_misses = 0, > - .read_ahead_transfers = 0, > - .read_blocks = 0, > - .read_errors = 0, > - .write_transfers = 1, > - .write_blocks = 1, > - .write_errors = 0 > + .read_hits = 0, > + .read_misses = 0, > + .read_ahead_transfers = 0, > + .read_ahead_transfers_with_size = 0, > + .read_blocks = 0, > + .read_errors = 0, > + .write_transfers = 1, > + .write_blocks = 1, > + .write_errors = 0 > }; > static const rtems_blkdev_stats complete_new_block_stats = { > - .read_hits = 3, > - .read_misses = 2, > - .read_ahead_transfers = 0, > - .read_blocks = 2, > - .read_errors = 0, > - .write_transfers = 1, > - .write_blocks = 3, > - .write_errors = 0 > + .read_hits = 3, > + .read_misses = 2, > + .read_ahead_transfers = 0, > + .read_ahead_transfers_with_size = 0, > + .read_blocks = 2, > + .read_errors = 0, > + .write_transfers = 1, > + .write_blocks = 3, > + .write_errors = 0 > }; > static const rtems_blkdev_stats partial_new_block_stats = { > - .read_hits = 3, > - .read_misses = 3, > - .read_ahead_transfers = 0, > - .read_blocks = 3, > - .read_errors = 0, > - .write_transfers = 1, > - .write_blocks = 3, > - .write_errors = 0 > + .read_hits = 3, > + .read_misses = 3, > + .read_ahead_transfers = 0, > + .read_ahead_transfers_with_size = 0, > + .read_blocks = 3, > + .read_errors = 0, > + .write_transfers = 1, > + .write_blocks = 3, > + .write_errors = 0 > }; > > int rv; > diff --git a/testsuites/libtests/block14/block14.scn > b/testsuites/libtests/block14/block14.scn > index 7170522579..48c22b716d 100644 > --- a/testsuites/libtests/block14/block14.scn > +++ b/testsuites/libtests/block14/block14.scn > @@ -6,19 +6,30 @@ action 3 > action 4 > action 5 > action 6 > +action 7 > +action 8 > +action 9 > +action 10 > +action 11 > +action 12 > +action 13 > +action 14 > +action 15 > > > ------------------------------------------------------------------------------- > DEVICE STATISTICS > > -----------------------+-------------------------------------------------------- > - MEDIA BLOCK SIZE | 0 > - MEDIA BLOCK COUNT | 1 > - BLOCK SIZE | 2 > - READ HITS | 2 > - READ MISSES | 3 > - READ AHEAD TRANSFERS | 2 > - READ BLOCKS | 5 > - READ ERRORS | 1 > - WRITE TRANSFERS | 2 > - WRITE BLOCKS | 2 > - WRITE ERRORS | 1 > > -----------------------+-------------------------------------------------------- > > +--------------------------------+---------------------------------------------- > + MEDIA BLOCK SIZE | 0 > + MEDIA BLOCK COUNT | 1 > + BLOCK SIZE | 2 > + READ HITS | 4 > + READ MISSES | 7 > + READ AHEAD TRANSFERS | 6 > + READ AHEAD TRANSFERS WITH SIZE | 3 > + READ BLOCKS | 13 > + READ ERRORS | 1 > + WRITE TRANSFERS | 2 > + WRITE BLOCKS | 2 > + WRITE ERRORS | 1 > > +--------------------------------+---------------------------------------------- > + > *** END OF TEST BLOCK 14 *** > diff --git a/testsuites/libtests/block14/init.c > b/testsuites/libtests/block14/init.c > index b4e73aadc9..24441c4fe8 100644 > --- a/testsuites/libtests/block14/init.c > +++ b/testsuites/libtests/block14/init.c > @@ -29,9 +29,9 @@ > > const char rtems_test_name[] = "BLOCK 14"; > > -#define ACTION_COUNT 7 > +#define ACTION_COUNT 16 > > -#define BLOCK_COUNT 6 > +#define BLOCK_COUNT 14 > > #define DISK_PATH "/disk" > > @@ -42,50 +42,104 @@ typedef struct { > rtems_blkdev_bnum block, > rtems_bdbuf_buffer **bd_ptr > ); > + void (*peek)( > + rtems_disk_device *dd, > + rtems_blkdev_bnum block, > + uint32_t nr_blocks > + ); > rtems_status_code expected_get_status; > rtems_status_code (*release)(rtems_bdbuf_buffer *bd); > } test_action; > > static const test_action actions [ACTION_COUNT] = { > - { 0, rtems_bdbuf_read, RTEMS_SUCCESSFUL, rtems_bdbuf_release }, > - { 1, rtems_bdbuf_read, RTEMS_SUCCESSFUL, rtems_bdbuf_release }, > - { 2, rtems_bdbuf_read, RTEMS_SUCCESSFUL, rtems_bdbuf_release }, > - { 0, rtems_bdbuf_read, RTEMS_SUCCESSFUL, rtems_bdbuf_release }, > - { 4, rtems_bdbuf_get, RTEMS_SUCCESSFUL, rtems_bdbuf_sync }, > - { 5, rtems_bdbuf_read, RTEMS_IO_ERROR, rtems_bdbuf_release }, > - { 5, rtems_bdbuf_get, RTEMS_SUCCESSFUL, rtems_bdbuf_sync } > + /* normal read ahead */ > + { 0, rtems_bdbuf_read, NULL, RTEMS_SUCCESSFUL, rtems_bdbuf_release }, > + { 1, rtems_bdbuf_read, NULL, RTEMS_SUCCESSFUL, rtems_bdbuf_release }, > + { 2, rtems_bdbuf_read, NULL, RTEMS_SUCCESSFUL, rtems_bdbuf_release }, > + > + /* re-read a cached block */ > + { 0, rtems_bdbuf_read, NULL, RTEMS_SUCCESSFUL, rtems_bdbuf_release }, > + > + /* cause some writes */ > + { 4, rtems_bdbuf_get, NULL, RTEMS_SUCCESSFUL, rtems_bdbuf_sync }, > + { 5, rtems_bdbuf_read, NULL, RTEMS_IO_ERROR, rtems_bdbuf_release }, > + { 5, rtems_bdbuf_get, NULL, RTEMS_SUCCESSFUL, rtems_bdbuf_sync }, > + > + /* interrupt normal read ahead with a peek */ > + { 9, rtems_bdbuf_read, NULL, RTEMS_SUCCESSFUL, rtems_bdbuf_release }, > + { 13, NULL, rtems_bdbuf_peek, 0, NULL }, > + { 10, rtems_bdbuf_read, NULL, RTEMS_SUCCESSFUL, rtems_bdbuf_release }, > + { 11, rtems_bdbuf_read, NULL, RTEMS_SUCCESSFUL, rtems_bdbuf_release }, > + { 12, rtems_bdbuf_read, NULL, RTEMS_SUCCESSFUL, rtems_bdbuf_release }, > + > + /* peek with hit */ > + { 6, NULL, rtems_bdbuf_peek, 0, NULL }, > + { 6, rtems_bdbuf_read, NULL, RTEMS_SUCCESSFUL, rtems_bdbuf_release }, > + > + /* (wrong) peek with reading different block */ > + { 8, NULL, rtems_bdbuf_peek, 0, NULL }, > + { 7, rtems_bdbuf_read, NULL, RTEMS_SUCCESSFUL, rtems_bdbuf_release }, > }; > > -#define STATS(a, b, c, d, e, f, g, h) \ > +#define STATS(a, b, c, d, e, f, g, h, i) \ > { \ > .read_hits = a, \ > .read_misses = b, \ > .read_ahead_transfers = c, \ > - .read_blocks = d, \ > - .read_errors = e, \ > - .write_transfers = f, \ > - .write_blocks = g, \ > - .write_errors = h \ > + .read_ahead_transfers_with_size = d, \ > + .read_blocks = e, \ > + .read_errors = f, \ > + .write_transfers = g, \ > + .write_blocks = h, \ > + .write_errors = i \ > } > > static const rtems_blkdev_stats expected_stats [ACTION_COUNT] = { > - STATS(0, 1, 0, 1, 0, 0, 0, 0), > - STATS(0, 2, 1, 3, 0, 0, 0, 0), > - STATS(1, 2, 2, 4, 0, 0, 0, 0), > - STATS(2, 2, 2, 4, 0, 0, 0, 0), > - STATS(2, 2, 2, 4, 0, 1, 1, 0), > - STATS(2, 3, 2, 5, 1, 1, 1, 0), > - STATS(2, 3, 2, 5, 1, 2, 2, 1) > + STATS(0, 1, 0, 0, 1, 0, 0, 0, 0), > + STATS(0, 2, 1, 0, 3, 0, 0, 0, 0), > + STATS(1, 2, 2, 0, 4, 0, 0, 0, 0), > + > + STATS(2, 2, 2, 0, 4, 0, 0, 0, 0), > + > + STATS(2, 2, 2, 0, 4, 0, 1, 1, 0), > + STATS(2, 3, 2, 0, 5, 1, 1, 1, 0), > + STATS(2, 3, 2, 0, 5, 1, 2, 2, 1), > + > + STATS(2, 4, 2, 0, 6, 1, 2, 2, 1), > + STATS(2, 4, 3, 1, 7, 1, 2, 2, 1), > + STATS(2, 5, 3, 1, 8, 1, 2, 2, 1), > + STATS(2, 6, 4, 1, 10, 1, 2, 2, 1), > + STATS(3, 6, 4, 1, 10, 1, 2, 2, 1), > + > + STATS(3, 6, 5, 2, 11, 1, 2, 2, 1), > + STATS(4, 6, 5, 2, 11, 1, 2, 2, 1), > + > + STATS(4, 6, 6, 3, 12, 1, 2, 2, 1), > + STATS(4, 7, 6, 3, 13, 1, 2, 2, 1), > }; > > static const int expected_block_access_counts [ACTION_COUNT] > [BLOCK_COUNT] = { > - { 1, 0, 0, 0, 0, 0 }, > - { 1, 1, 1, 0, 0, 0 }, > - { 1, 1, 1, 1, 0, 0 }, > - { 1, 1, 1, 1, 0, 0 }, > - { 1, 1, 1, 1, 1, 0 }, > - { 1, 1, 1, 1, 1, 1 }, > - { 1, 1, 1, 1, 1, 2 } > + { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, > + { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, > + { 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, > + > + { 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, > + > + { 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, > + { 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 }, > + { 1, 1, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0 }, > + > + { 1, 1, 1, 1, 1, 2, 0, 0, 0, 1, 0, 0, 0, 0 }, > + { 1, 1, 1, 1, 1, 2, 0, 0, 0, 1, 0, 0, 0, 1 }, > + { 1, 1, 1, 1, 1, 2, 0, 0, 0, 1, 1, 0, 0, 1 }, > + { 1, 1, 1, 1, 1, 2, 0, 0, 0, 1, 1, 1, 1, 1 }, > + { 1, 1, 1, 1, 1, 2, 0, 0, 0, 1, 1, 1, 1, 1 }, > + > + { 1, 1, 1, 1, 1, 2, 1, 0, 0, 1, 1, 1, 1, 1 }, > + { 1, 1, 1, 1, 1, 2, 1, 0, 0, 1, 1, 1, 1, 1 }, > + > + { 1, 1, 1, 1, 1, 2, 1, 0, 1, 1, 1, 1, 1, 1 }, > + { 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1 }, > }; > > static int block_access_counts [BLOCK_COUNT]; > @@ -132,10 +186,16 @@ static void test_actions(rtems_disk_device *dd) > > printf("action %i\n", i); > > - sc = (*action->get)(dd, action->block, &bd); > - rtems_test_assert(sc == action->expected_get_status); > + if (action->get != NULL) { > + sc = (*action->get)(dd, action->block, &bd); > + rtems_test_assert(sc == action->expected_get_status); > + } > + > + if (action->peek != NULL) { > + (*action->peek)(dd, action->block, 1); > + } > > - if (sc == RTEMS_SUCCESSFUL) { > + if (sc == RTEMS_SUCCESSFUL && action->release != NULL) { > sc = (*action->release)(bd); > rtems_test_assert(sc == RTEMS_SUCCESSFUL); > } > -- > 2.26.2 > > _______________________________________________ > devel mailing list > devel@rtems.org > http://lists.rtems.org/mailman/listinfo/devel >
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