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| author | Christian Mauderer <christian.mauderer@embedded-brains.de> | 2021-01-19 15:33:35 +0100 |
|---|---|---|
| committer | Christian Mauderer <christian.mauderer@embedded-brains.de> | 2021-03-26 14:25:38 +0100 |
| commit | 6ae79e6df6fbc89ffbd6badb3f84d6a2b513fe83 (patch) | |
| tree | 370419dc3ec031519955f899069222fbd138b91b /cpukit/libblock/src/blkdev-print-stats.c | |
| parent | gen_uuid.c: Revert previous patch (597e4f476568a225d14dfaff02074cf269ad62ac) (diff) | |
| download | rtems-6ae79e6df6fbc89ffbd6badb3f84d6a2b513fe83.tar.bz2 | |
libblock: Add rtems_bdbuf_peek()
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.
Update #3689
Diffstat (limited to '')
| -rw-r--r-- | cpukit/libblock/src/blkdev-print-stats.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/cpukit/libblock/src/blkdev-print-stats.c b/cpukit/libblock/src/blkdev-print-stats.c index 8edf24fd8c..539ff08157 100644 --- a/cpukit/libblock/src/blkdev-print-stats.c +++ b/cpukit/libblock/src/blkdev-print-stats.c @@ -47,6 +47,7 @@ void rtems_blkdev_print_stats( " READ HITS | %" PRIu32 "\n" " READ MISSES | %" PRIu32 "\n" " READ AHEAD TRANSFERS | %" PRIu32 "\n" + " READ AHEAD PEEKS | %" PRIu32 "\n" " READ BLOCKS | %" PRIu32 "\n" " READ ERRORS | %" PRIu32 "\n" " WRITE TRANSFERS | %" PRIu32 "\n" @@ -59,6 +60,7 @@ void rtems_blkdev_print_stats( stats->read_hits, stats->read_misses, stats->read_ahead_transfers, + stats->read_ahead_peeks, stats->read_blocks, stats->read_errors, stats->write_transfers, |