diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/os/bluestore/FreelistManager.cc | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/os/bluestore/FreelistManager.cc | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/os/bluestore/FreelistManager.cc b/src/os/bluestore/FreelistManager.cc new file mode 100644 index 000000000..5907df443 --- /dev/null +++ b/src/os/bluestore/FreelistManager.cc @@ -0,0 +1,46 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include "FreelistManager.h" +#include "BitmapFreelistManager.h" +#ifdef HAVE_LIBZBD +#include "ZonedFreelistManager.h" +#endif + +FreelistManager *FreelistManager::create( + CephContext* cct, + std::string type, + std::string prefix) +{ + // a bit of a hack... we hard-code the prefixes here. we need to + // put the freelistmanagers in different prefixes because the merge + // op is per prefix, has to done pre-db-open, and we don't know the + // freelist type until after we open the db. + ceph_assert(prefix == "B"); + if (type == "bitmap") + return new BitmapFreelistManager(cct, "B", "b"); + +#ifdef HAVE_LIBZBD + // With zoned drives there is only one FreelistManager implementation that we + // can use, and we also know if a drive is zoned right after opening it + // (BlueStore::_open_bdev). Hence, we set freelist_type to "zoned" whenever + // we open the device and it turns out to be is zoned. We ignore |prefix| + // passed to create and use the prefixes defined for zoned devices at the top + // of BlueStore.cc. + if (type == "zoned") + return new ZonedFreelistManager(cct, "Z", "z"); +#endif + + return NULL; +} + +void FreelistManager::setup_merge_operators(KeyValueDB *db, + const std::string& type) +{ +#ifdef HAVE_LIBZBD + if (type == "zoned") + ZonedFreelistManager::setup_merge_operator(db, "z"); + else +#endif + BitmapFreelistManager::setup_merge_operator(db, "b"); +} |