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Move "no name changes" from compression to checksum table

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Compression names actually aren't used in dedup table names, but
checksum names are.

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Closes #16776
This commit is contained in:
Rob Norris 2024-11-20 01:55:27 +11:00 committed by Brian Behlendorf
parent 9a4b2f08d3
commit 920603990a
2 changed files with 6 additions and 4 deletions
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6
module/zfs/zio_checksum.c
View File

@ -160,6 +160,12 @@ abd_fletcher_4_byteswap(abd_t *abd, uint64_t size,
abd_fletcher_4_impl(abd, size, &acd); abd_fletcher_4_impl(abd, size, &acd);
} }
/*
* Checksum vectors.
*
* Note: you cannot change the name string for these functions, as they are
* embedded in on-disk data in some places (eg dedup table names).
*/
zio_checksum_info_t zio_checksum_table[ZIO_CHECKSUM_FUNCTIONS] = { zio_checksum_info_t zio_checksum_table[ZIO_CHECKSUM_FUNCTIONS] = {
{{NULL, NULL}, NULL, NULL, 0, "inherit"}, {{NULL, NULL}, NULL, NULL, 0, "inherit"},
{{NULL, NULL}, NULL, NULL, 0, "on"}, {{NULL, NULL}, NULL, NULL, 0, "on"},

4
module/zfs/zio_compress.c
View File

@ -44,10 +44,6 @@ static unsigned long zio_decompress_fail_fraction = 0;
/* /*
* Compression vectors. * Compression vectors.
*
* NOTE: DO NOT CHANGE THE NAMES OF THESE COMPRESSION FUNCTIONS.
* THEY ARE USED AS ZAP KEY NAMES BY FAST DEDUP AND THEREFORE
* PART OF THE ON-DISK FORMAT.
*/ */
zio_compress_info_t zio_compress_table[ZIO_COMPRESS_FUNCTIONS] = { zio_compress_info_t zio_compress_table[ZIO_COMPRESS_FUNCTIONS] = {
{"inherit", 0, NULL, NULL, NULL}, {"inherit", 0, NULL, NULL, NULL},