Remove maximum queue backlog guestimation.

Partially revers 2b7df394057c013fd042b85a4d5fd0104ba4a9be.

Making the queue fill the entire RAM had some unintended side
effects that need further investigation. For now, revert back
to the old behaviour.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 0 insertions, 26 deletions

diff --git a/lib/common/writer.c b/lib/common/writer.c
index cfa22de..a4b764a 100644
--- a/lib/common/writer.c
+++ b/lib/common/writer.c
@@ -19,29 +19,11 @@ static size_t os_get_num_jobs(void)
 	nprocs = get_nprocs_conf();
 	return nprocs < 1 ? 1 : nprocs;
 }
-
-static size_t os_get_max_ram(void)
-{
-	struct sysinfo info;
-
-	if (sysinfo(&info)) {
-		perror("sysinfo");
-		return 0;
-	}
-
-	return info.totalram;
-}
 #else
 static size_t os_get_num_jobs(void)
 {
 	return 1;
 }
-
-static size_t os_get_max_ram(void)
-{
-	(void)cfg;
-	return 0;
-}
 #endif
 
 static int padd_sqfs(sqfs_file_t *file, sqfs_u64 size, size_t blocksize)
@@ -75,20 +57,12 @@ fail_errno:
 
 void sqfs_writer_cfg_init(sqfs_writer_cfg_t *cfg)
 {
-	size_t max_ram;
-
 	memset(cfg, 0, sizeof(*cfg));
 
 	cfg->num_jobs = os_get_num_jobs();
 	cfg->block_size = SQFS_DEFAULT_BLOCK_SIZE;
 	cfg->devblksize = SQFS_DEVBLK_SIZE;
 	cfg->comp_id = compressor_get_default();
-
-	max_ram = os_get_max_ram();
-	cfg->max_backlog = (max_ram / 2) / cfg->block_size;
-
-	if (cfg->max_backlog < 1)
-		cfg->max_backlog = 10 * cfg->num_jobs;
 }
 
 int sqfs_writer_init(sqfs_writer_t *sqfs, const sqfs_writer_cfg_t *wrcfg)