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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 07:27:52 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 07:27:52 +0000 |
| commit | d0c85e36e4de67af628d54e9ab577cc3fad7796a (patch) | |
| tree | f8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/gemma3:12b/files/1865048 | |
| parent | 7f4364274750eb8cb39a3e7493132fca1c01232e (diff) | |
| download | qemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz qemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip | |
add deepseek and gemma results
Diffstat (limited to 'results/classifier/gemma3:12b/files/1865048')
| -rw-r--r-- | results/classifier/gemma3:12b/files/1865048 | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/files/1865048 b/results/classifier/gemma3:12b/files/1865048 new file mode 100644 index 000000000..02d60140a --- /dev/null +++ b/results/classifier/gemma3:12b/files/1865048 @@ -0,0 +1,43 @@ + +qemu-img --force-share does not disable file locking + +The new option "--force-share" for qemu-img does not disable file locking. + +I tried it with version qemu-img version 2.11.1(Debian 1:2.11+dfsg-1ubuntu7.21~cloud0) and I traced the source code of the current git trunk. + +Sample to demonstrate: + +# strace qemu-img info --force-share testfile.qcow2 2>&1 | grep F_RDLCK +fcntl(11, F_OFD_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=100, l_len=1}) = 0 +fcntl(11, F_OFD_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=100, l_len=1}) = 0 +fcntl(11, F_OFD_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=100, l_len=1}) = 0 +fcntl(11, F_OFD_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=100, l_len=1}) = 0 +fcntl(11, F_OFD_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=100, l_len=1}) = 0 +fcntl(11, F_OFD_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=100, l_len=1}) = 0 +fcntl(11, F_OFD_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=100, l_len=1}) = 0 +fcntl(11, F_OFD_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=100, l_len=1}) = 0 +fcntl(11, F_OFD_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=100, l_len=1}) = 0 + +I traced the passing of the --force-share option through the source code (I used commit 6c599282f8 as of Mon Feb 17 13:32:25 2020 +0000) + +qemu-img.c:img_info() + force_share = true; +qemu-img.c:collect_image_info_list(force_share) +qemu-img.c:img_open(force_share) +qemu-img.c:img_open_file(force_share) + qdict_put_bool(options, BDRV_OPT_FORCE_SHARE, true); +block/block-backend.c:blk_new_open(options) +block.c:bdrv_open(options) +block.c:bdrv_open_inheritoptions() +block.c:bdrv_open_common(options) + bs->force_share = qemu_opt_get_bool(opts, BDRV_OPT_FORCE_SHARE, false); +block.c:bdrv_open_driver(bs) +include/block/block_int.h:int (*bdrv_file_open)(BlockDriverState *bs, QDict *options, int flags, +block/file-posix.c:.bdrv_file_open = raw_open, +block/file-posix.c:raw_open_common(bs) + locking = qapi_enum_parse(&OnOffAuto_lookup, + qemu_opt_get(opts, "locking"), + ON_OFF_AUTO_AUTO, &local_err); + ignoring bs->force_share + +At the end, bs->force_share is ignored in determining the locking value. \ No newline at end of file |