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context: remove limit on the number of references to an extent

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Better toxic extent detection means we can now handle extents with
many more references--easily hundreds of thousands.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
This commit is contained in:
Zygo Blaxell
2018-11-01 23:41:59 -04:00
parent 8bec9624da
commit c2762740ef
2 changed files with 1 additions and 6 deletions
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src/bees.h
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@ -106,11 +106,6 @@ const size_t BEES_MAX_CRAWL_BATCH = 128;
// Wait this many transids between crawls
const size_t BEES_TRANSID_FACTOR = 10;
// If an extent has this many refs, pretend it does not exist
// to avoid a crippling btrfs performance bug
// The actual limit in LOGICAL_INO seems to be 2730, but let's leave a little headroom
const size_t BEES_MAX_EXTENT_REF_COUNT = 2560;
// Flags
const int FLAGS_OPEN_COMMON = O_NOFOLLOW | O_NONBLOCK | O_CLOEXEC | O_NOATIME | O_LARGEFILE | O_NOCTTY;
const int FLAGS_OPEN_DIR = FLAGS_OPEN_COMMON | O_RDONLY | O_DIRECTORY;