search for: sparse_array_set_size

Displaying 2 results from an estimated 2 matches for "sparse_array_set_size".

2020 Feb 10
2
[nbdkit PATCH 04/10] plugins: Wire up in-memory plugin support for NBD_INFO_INIT_STATE
...ero (struct sparse_array *sa, uint32_t count, uint64_t offset) __func__, offset); free (*l2_page); *l2_page = NULL; + sa->used_pages--; } } @@ -398,3 +407,22 @@ sparse_array_extents (struct sparse_array *sa, return 0; } + +void +sparse_array_set_size (struct sparse_array *sa, uint64_t size) +{ + assert (size <= INT64_MAX); + sa->max_pages = DIV_ROUND_UP (size, PAGE_SIZE); +} + +int +sparse_array_is_sparse (struct sparse_array *sa) +{ + return sa->used_pages < sa->max_pages; +} + +int +sparse_array_is_zero (struct sparse_array...
2020 Feb 10
17
Cross-project NBD extension proposal: NBD_INFO_INIT_STATE
I will be following up to this email with four separate threads each addressed to the appropriate single list, with proposed changes to: - the NBD protocol - qemu: both server and client - libnbd: client - nbdkit: server The feature in question adds a new optional NBD_INFO_ packet to the NBD_OPT_GO portion of handshake, adding up to 16 bits of information that the server can advertise to the