Mirror block job fixes for 2.6.0-rc3
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIcBAABAgAGBQJXF5irAAoJEH8JsnLIjy/WTfgP/1DtQEilrEx1XXdswkPwrgjN PmQmSwxUZTS8Pgy6Lul7SgXHUvghpWggLuCJyS5WnfTIOZVGo4NvD0rh+ajafgNt hCmlAiNB4u94u4j8lB50Yt7/6p0WGQa/1tm7OX41JlsOcs8s0UJHrnDcaaNhSRfq LJtcR1erTDD1H4jKjPvHQ921V0zG2TtSD1yZcqE2jNDsY4F4de4g60WAhYvyW5TE Oj6lj7VutpJ1nkpROdMbnZUdoSQaXFBJDCPGJupIpRhg520jtPi3nJlZk7zyGdx0 kD4PLJ3ktMP6sritTZC5066fHau0zHBU+ozqm0Zu5fHMm2/jPvyV9HOdblZ6pEno 2S7RzUE1s+OUczXqHZucgC41TjyQgKk1/ZmYS3xH6UcFYwOLIM/D00FFOYUg9JoI Uqe/xcu/GepxOqYi6flR9iS3wJ38b0wbVhDEUfcssA8rHRG1YG62fUt/B1tQniDZ SPmmcemD+So9fW+CNhonjFcuin7MofoaAvMj83Ig1qkCxLpKDR+sMtzp9STv4Cla g0oxR1a/iGM6Ap0edN7sl1cAiuz0lZLGm4VSGK3E1oY2EHkS3RIOY5CGnlDSNw5j 4DdX6aqTwqBSpqYtLFecwlGIeEj1lt0EB5q+SXx/JawQpI7Lxe9daiVxX2mtNgfv JA5eT4P6Z8abgtofTNCg =LKGF -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging Mirror block job fixes for 2.6.0-rc3 # gpg: Signature made Wed 20 Apr 2016 15:56:43 BST using RSA key ID C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" * remotes/kevin/tags/for-upstream: iotests: Test case for drive-mirror with unaligned image size iotests: Add iotests.image_size mirror: Don't extend the last sub-chunk block/mirror: Refresh stale bitmap iterator cache block/mirror: Revive dead yielding code Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
commit
befbaf51ce
@ -108,7 +108,7 @@ static void mirror_iteration_done(MirrorOp *op, int ret)
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sectors_per_chunk = s->granularity >> BDRV_SECTOR_BITS;
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chunk_num = op->sector_num / sectors_per_chunk;
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nb_chunks = op->nb_sectors / sectors_per_chunk;
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nb_chunks = DIV_ROUND_UP(op->nb_sectors, sectors_per_chunk);
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bitmap_clear(s->in_flight_bitmap, chunk_num, nb_chunks);
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if (ret >= 0) {
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if (s->cow_bitmap) {
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@ -161,6 +161,14 @@ static void mirror_read_complete(void *opaque, int ret)
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mirror_write_complete, op);
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}
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static inline void mirror_clip_sectors(MirrorBlockJob *s,
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int64_t sector_num,
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int *nb_sectors)
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{
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*nb_sectors = MIN(*nb_sectors,
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s->bdev_length / BDRV_SECTOR_SIZE - sector_num);
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}
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/* Round sector_num and/or nb_sectors to target cluster if COW is needed, and
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* return the offset of the adjusted tail sector against original. */
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static int mirror_cow_align(MirrorBlockJob *s,
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@ -189,6 +197,9 @@ static int mirror_cow_align(MirrorBlockJob *s,
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s->target_cluster_sectors);
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}
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}
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/* Clipping may result in align_nb_sectors unaligned to chunk boundary, but
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* that doesn't matter because it's already the end of source image. */
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mirror_clip_sectors(s, align_sector_num, &align_nb_sectors);
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ret = align_sector_num + align_nb_sectors - (*sector_num + *nb_sectors);
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*sector_num = align_sector_num;
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@ -231,9 +242,8 @@ static int mirror_do_read(MirrorBlockJob *s, int64_t sector_num,
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/* The sector range must meet granularity because:
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* 1) Caller passes in aligned values;
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* 2) mirror_cow_align is used only when target cluster is larger. */
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assert(!(nb_sectors % sectors_per_chunk));
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assert(!(sector_num % sectors_per_chunk));
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nb_chunks = nb_sectors / sectors_per_chunk;
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nb_chunks = DIV_ROUND_UP(nb_sectors, sectors_per_chunk);
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while (s->buf_free_count < nb_chunks) {
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trace_mirror_yield_in_flight(s, sector_num, s->in_flight);
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@ -298,7 +308,7 @@ static void mirror_do_zero_or_discard(MirrorBlockJob *s,
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static uint64_t coroutine_fn mirror_iteration(MirrorBlockJob *s)
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{
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BlockDriverState *source = s->common.bs;
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int64_t sector_num;
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int64_t sector_num, first_chunk;
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uint64_t delay_ns = 0;
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/* At least the first dirty chunk is mirrored in one iteration. */
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int nb_chunks = 1;
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@ -313,6 +323,12 @@ static uint64_t coroutine_fn mirror_iteration(MirrorBlockJob *s)
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assert(sector_num >= 0);
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}
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first_chunk = sector_num / sectors_per_chunk;
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while (test_bit(first_chunk, s->in_flight_bitmap)) {
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trace_mirror_yield_in_flight(s, first_chunk, s->in_flight);
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mirror_wait_for_io(s);
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}
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/* Find the number of consective dirty chunks following the first dirty
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* one, and wait for in flight requests in them. */
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while (nb_chunks * sectors_per_chunk < (s->buf_size >> BDRV_SECTOR_BITS)) {
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@ -324,18 +340,18 @@ static uint64_t coroutine_fn mirror_iteration(MirrorBlockJob *s)
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break;
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}
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if (test_bit(next_chunk, s->in_flight_bitmap)) {
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if (nb_chunks > 0) {
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break;
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}
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trace_mirror_yield_in_flight(s, next_sector, s->in_flight);
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mirror_wait_for_io(s);
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/* Now retry. */
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} else {
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hbitmap_next = hbitmap_iter_next(&s->hbi);
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if (hbitmap_next > next_sector || hbitmap_next < 0) {
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/* The bitmap iterator's cache is stale, refresh it */
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bdrv_set_dirty_iter(&s->hbi, next_sector);
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hbitmap_next = hbitmap_iter_next(&s->hbi);
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}
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assert(hbitmap_next == next_sector);
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nb_chunks++;
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}
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}
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/* Clear dirty bits before querying the block status, because
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* calling bdrv_get_block_status_above could yield - if some blocks are
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@ -378,6 +394,7 @@ static uint64_t coroutine_fn mirror_iteration(MirrorBlockJob *s)
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}
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}
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mirror_clip_sectors(s, sector_num, &io_sectors);
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switch (mirror_method) {
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case MIRROR_METHOD_COPY:
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io_sectors = mirror_do_read(s, sector_num, io_sectors);
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@ -393,7 +410,7 @@ static uint64_t coroutine_fn mirror_iteration(MirrorBlockJob *s)
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}
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assert(io_sectors);
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sector_num += io_sectors;
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nb_chunks -= io_sectors / sectors_per_chunk;
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nb_chunks -= DIV_ROUND_UP(io_sectors, sectors_per_chunk);
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delay_ns += ratelimit_calculate_delay(&s->limit, io_sectors);
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}
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return delay_ns;
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@ -10,14 +10,14 @@ Automatically detecting the format is dangerous for raw images, write operations
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Specify the 'raw' format explicitly to remove the restrictions.
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": "report"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 65536, "offset": 0, "speed": 0, "type": "mirror", "error": "Operation not permitted"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 1024, "offset": 0, "speed": 0, "type": "mirror", "error": "Operation not permitted"}}
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{"return": []}
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read 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": {}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 65536, "offset": 65536, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 65536, "offset": 65536, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 1024, "offset": 1024, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 1024, "offset": 1024, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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Warning: Image size mismatch!
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Images are identical.
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@ -31,14 +31,14 @@ Automatically detecting the format is dangerous for raw images, write operations
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Specify the 'raw' format explicitly to remove the restrictions.
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": "report"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 262144, "offset": 65536, "speed": 0, "type": "mirror", "error": "Operation not permitted"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 197120, "offset": 512, "speed": 0, "type": "mirror", "error": "Operation not permitted"}}
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{"return": []}
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read 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": {}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 262144, "offset": 262144, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 262144, "offset": 262144, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 197120, "offset": 197120, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 197120, "offset": 197120, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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Warning: Image size mismatch!
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Images are identical.
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@ -73,14 +73,14 @@ Automatically detecting the format is dangerous for raw images, write operations
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Specify the 'raw' format explicitly to remove the restrictions.
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": "report"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 65536, "offset": 0, "speed": 0, "type": "mirror", "error": "Operation not permitted"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 1024, "offset": 0, "speed": 0, "type": "mirror", "error": "Operation not permitted"}}
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{"return": []}
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read 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": {}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 65536, "offset": 65536, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 65536, "offset": 65536, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 1024, "offset": 1024, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 1024, "offset": 1024, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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Warning: Image size mismatch!
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Images are identical.
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@ -115,14 +115,14 @@ Automatically detecting the format is dangerous for raw images, write operations
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Specify the 'raw' format explicitly to remove the restrictions.
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": "report"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 65536, "offset": 0, "speed": 0, "type": "mirror", "error": "Operation not permitted"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 2560, "offset": 0, "speed": 0, "type": "mirror", "error": "Operation not permitted"}}
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{"return": []}
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read 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": {}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 65536, "offset": 65536, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 65536, "offset": 65536, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 2560, "offset": 2560, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 2560, "offset": 2560, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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Warning: Image size mismatch!
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Images are identical.
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@ -135,14 +135,14 @@ Automatically detecting the format is dangerous for raw images, write operations
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Specify the 'raw' format explicitly to remove the restrictions.
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": "report"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 65536, "offset": 0, "speed": 0, "type": "mirror", "error": "Operation not permitted"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 2560, "offset": 0, "speed": 0, "type": "mirror", "error": "Operation not permitted"}}
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{"return": []}
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read 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": {}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 65536, "offset": 65536, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 65536, "offset": 65536, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 2560, "offset": 2560, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 2560, "offset": 2560, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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Image resized.
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Warning: Image size mismatch!
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Images are identical.
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@ -198,14 +198,14 @@ Automatically detecting the format is dangerous for raw images, write operations
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Specify the 'raw' format explicitly to remove the restrictions.
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": "report"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 65536, "offset": 0, "speed": 0, "type": "mirror", "error": "Operation not permitted"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 2048, "offset": 0, "speed": 0, "type": "mirror", "error": "Operation not permitted"}}
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{"return": []}
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read 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": {}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 65536, "offset": 65536, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 65536, "offset": 65536, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 2048, "offset": 2048, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 2048, "offset": 2048, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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Image resized.
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Warning: Image size mismatch!
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Images are identical.
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@ -218,14 +218,14 @@ WARNING: Image format was not specified for 'TEST_DIR/t.raw' and probing guessed
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Automatically detecting the format is dangerous for raw images, write operations on block 0 will be restricted.
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Specify the 'raw' format explicitly to remove the restrictions.
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 65536, "offset": 65536, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 65536, "offset": 65536, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 512, "offset": 512, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 512, "offset": 512, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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Warning: Image size mismatch!
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Images are identical.
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{"return": {}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 65536, "offset": 65536, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 65536, "offset": 65536, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 512, "offset": 512, "speed": 0, "type": "mirror"}}
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{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 512, "offset": 512, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
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Warning: Image size mismatch!
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Images are identical.
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*** done
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|
62
tests/qemu-iotests/152
Normal file
62
tests/qemu-iotests/152
Normal file
@ -0,0 +1,62 @@
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||||
#!/usr/bin/env python
|
||||
#
|
||||
# Tests for drive-mirror with source size unaligned to granularity
|
||||
#
|
||||
# Copyright (C) 2016 Red Hat, Inc.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 2 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
|
||||
import os
|
||||
import iotests
|
||||
from iotests import qemu_img
|
||||
|
||||
test_img = os.path.join(iotests.test_dir, 'test.img')
|
||||
target_img = os.path.join(iotests.test_dir, 'target.img')
|
||||
|
||||
class TestUnaligned(iotests.QMPTestCase):
|
||||
def setUp(self):
|
||||
qemu_img('create', '-f', iotests.imgfmt, test_img, '512')
|
||||
self.vm = iotests.VM().add_drive(test_img)
|
||||
self.vm.launch()
|
||||
|
||||
def tearDown(self):
|
||||
self.vm.shutdown()
|
||||
os.remove(test_img)
|
||||
try:
|
||||
os.remove(target_img)
|
||||
except OSError:
|
||||
pass
|
||||
|
||||
def test_unaligned(self):
|
||||
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
||||
granularity=65536, target=target_img)
|
||||
self.complete_and_wait()
|
||||
self.vm.shutdown()
|
||||
self.assertEqual(iotests.image_size(test_img), iotests.image_size(target_img),
|
||||
"Target size doesn't match source when granularity when unaligend")
|
||||
|
||||
def test_unaligned_with_update(self):
|
||||
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
||||
granularity=65536, target=target_img)
|
||||
self.wait_ready()
|
||||
self.vm.hmp_qemu_io('drive0', 'write 0 512')
|
||||
self.complete_and_wait(wait_ready=False)
|
||||
self.vm.shutdown()
|
||||
self.assertEqual(iotests.image_size(test_img), iotests.image_size(target_img),
|
||||
"Target size doesn't match source when granularity when unaligend")
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
iotests.main(supported_fmts=['raw', 'qcow2'])
|
5
tests/qemu-iotests/152.out
Normal file
5
tests/qemu-iotests/152.out
Normal file
@ -0,0 +1,5 @@
|
||||
..
|
||||
----------------------------------------------------------------------
|
||||
Ran 2 tests
|
||||
|
||||
OK
|
@ -152,3 +152,4 @@
|
||||
148 rw auto quick
|
||||
149 rw auto sudo
|
||||
150 rw auto quick
|
||||
152 rw auto quick
|
||||
|
@ -28,6 +28,7 @@ sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'scripts', '
|
||||
import qmp
|
||||
import qtest
|
||||
import struct
|
||||
import json
|
||||
|
||||
|
||||
# This will not work if arguments contain spaces but is necessary if we
|
||||
@ -103,6 +104,11 @@ def create_image(name, size):
|
||||
i = i + 512
|
||||
file.close()
|
||||
|
||||
def image_size(img):
|
||||
'''Return image's virtual size'''
|
||||
r = qemu_img_pipe('info', '--output=json', '-f', imgfmt, img)
|
||||
return json.loads(r)['virtual-size']
|
||||
|
||||
test_dir_re = re.compile(r"%s" % test_dir)
|
||||
def filter_test_dir(msg):
|
||||
return test_dir_re.sub("TEST_DIR", msg)
|
||||
|
Loading…
Reference in New Issue
Block a user