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btrfs-progs: mkfs: warn if page does not match sectorsize 

Be verbose about the potential compatibility problems with the
sectorsize and page size. Also print the page size on the overview.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2024-01-18 04:12:54 +01:00
parent 42f98fcc88
commit e406abb157
2 changed files with 6 additions and 3 deletions
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6
common/fsfeatures.c
View File

@ -628,8 +628,10 @@ int btrfs_check_sectorsize(u32 sectorsize)
if (!sectorsize_checked)
warning(
"the filesystem may not be mountable, sectorsize %u doesn't match page size %u",
sectorsize, page_size);
"sectorsize %u does not match host CPU page size %u, with kernels 6.x and up\n"
"\t the 4KiB sectorsize is supported on all architectures but other combinations\n"
"\t may fail the filesystem mount, use \"--sectorsize %u\" to override that\n",
sectorsize, page_size, page_size);
return 0;
}

3
mkfs/main.c
View File

@ -2000,7 +2000,8 @@ raid_groups:
if (dev_uuid[0] != 0)
printf("Device UUID: %s\n", mkfs_cfg.dev_uuid);
printf("Node size: %u\n", nodesize);
printf("Sector size: %u\n", sectorsize);
printf("Sector size: %u\t(CPU page size: %lu)\n",
sectorsize, sysconf(_SC_PAGESIZE));
printf("Filesystem size: %s\n",
pretty_size(btrfs_super_total_bytes(fs_info->super_copy)));
printf("Block group profiles:\n");