On 2017年09月23日 09:27, Satoru Takeuchi wrote:
At Sat, 23 Sep 2017 10:19:26 +0900,
Satoru Takeuchi wrote:
At Wed, 20 Sep 2017 15:18:43 +0900,
Qu Wenruo wrote:
Commit 7dfb8be11b5d ("btrfs: Round down values which are written for
total_bytes_size") is fixing the unaligned device size caused by
Hi,
When looking around in the kernel code, I ran into this (hash.h):
u32 btrfs_crc32c(u32 crc, const void *address, unsigned int length);
[...]
static inline u64 btrfs_extref_hash(u64 parent_objectid, const char *name,
int len)
{
return (u64) btrfs_crc32c(parent_objectid, name, len);
}
[...]
On 09/22/2017 07:58 PM, Zygo Blaxell wrote:
> Now that check_extent_in_eb()'s extent offset filter can be turned off,
> we need a way to do it from userspace.
>
> Add a 'flags' field to the btrfs_logical_ino_args structure to disable
> extent offset filtering, taking the place of one of the existi
On 09/22/2017 07:58 PM, Zygo Blaxell wrote:
> Build-server workloads have hundreds of references per file after dedup.
> Multiply by a few snapshots and we quickly exhaust the limit of 2730
> references per extent that can fit into a 64K buffer.
Simulating this scenario:
/btrfs 2-# btrfs sub crea
