Commit Graph

17 Commits

Author SHA1 Message Date
Juan Quintela
8258f2fa06 migration: Rename ram_compressed_pages() to compress_ram_pages()
We are moving to have all functions exported from ram-compress.c to
start with compress_.

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231019110724.15324-12-quintela@redhat.com>
2023-10-30 17:41:55 +01:00
Juan Quintela
f639cfe515 migration: Merge flush_compressed_data() and compress_flush_data()
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231019110724.15324-11-quintela@redhat.com>
2023-10-30 17:41:55 +01:00
Juan Quintela
8020bc9a77 migration: Move ram_flush_compressed_data() to ram-compress.c
As we export it, rename it compress_flush_data().

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231019110724.15324-10-quintela@redhat.com>
2023-10-30 17:41:55 +01:00
Juan Quintela
fb36fb275f migration: Create compress_update_rates()
So we can move more compression_counters stuff to ram-compress.c.
Create compression_counters struct to add the stuff that was on
MigrationState.

Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231019110724.15324-8-quintela@redhat.com>
2023-10-30 17:41:55 +01:00
Juan Quintela
250b1d7ef6 migration: Move busy++ to migrate_with_multithread
And now we can simplify save_compress_page().

Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231019110724.15324-7-quintela@redhat.com>
2023-10-30 17:41:55 +01:00
Juan Quintela
b6e19b6de8 migration: Simplify compress_page_with_multithread()
Move the goto to a while true.

Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231019110724.15324-6-quintela@redhat.com>
2023-10-30 17:41:55 +01:00
Juan Quintela
83df387df7 migration: Make compress_data_with_multithreads return bool
Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231019110724.15324-5-quintela@redhat.com>
2023-10-30 17:41:55 +01:00
Juan Quintela
bef4e2ed8e migration: Use "i" as an for index in ram-compress.c
It is used everywhere else in C.  Once there, make sure that we don't
use the index outside of the for declaring the variable there.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Message-ID: <20230613145757.10131-15-quintela@redhat.com>
2023-10-17 22:14:51 +02:00
Juan Quintela
4703d1958c migration: Simplify decompress_data_with_multi_threads()
Doing a break to do another break is just confused.  Just call return
when we know we want to return.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Message-ID: <20230613145757.10131-14-quintela@redhat.com>
2023-10-17 22:14:51 +02:00
Juan Quintela
1fd03d41b8 migration: Move update_compress_threads_counts() to ram-compress.c
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Message-ID: <20230613145757.10131-9-quintela@redhat.com>
2023-10-17 22:14:51 +02:00
Juan Quintela
f504789de5 migration: Create ram_compressed_pages()
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Message-ID: <20230613145757.10131-8-quintela@redhat.com>
2023-10-17 22:14:51 +02:00
Juan Quintela
6f60900573 migration: Create populate_compress()
So we don't have to access compression_counters from outside
ram-compress.c.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Message-ID: <20230613145757.10131-7-quintela@redhat.com>
2023-10-17 22:14:51 +02:00
Juan Quintela
809f188a1a migration: Move compression_counters cleanup ram-compress.c
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Message-ID: <20230613145757.10131-6-quintela@redhat.com>
2023-10-17 22:14:51 +02:00
Lukas Straub
52623f23b0 ram-compress.c: Make target independent
Make ram-compress.c target independent.

Signed-off-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-05-08 15:25:26 +02:00
Lukas Straub
4024cc8506 ram compress: Assert that the file buffer matches the result
Before this series, "nothing to send" was handled by the file buffer
being empty. Now it is tracked via param->result.

Assert that the file buffer state matches the result.

Signed-off-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-05-08 15:25:26 +02:00
Lukas Straub
b1f17720c1 ram.c: Move core decompression code into its own file
No functional changes intended.

Signed-off-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-05-08 15:25:26 +02:00
Lukas Straub
b5ca3368d9 ram.c: Move core compression code into its own file
No functional changes intended.

Signed-off-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-05-08 15:25:26 +02:00