On 2018/5/18 9:10, Jaegeuk Kim wrote:
> On 05/16, Anatoly Pugachev wrote:
>> Hello!
>>
>> The following patch disables loading of f2fs module on architectures
>> which have PAGE_SIZE > 4096 , since it is impossible to mount f2fs on
>> such architectures , log messages are:
>>
>> root@ttip:/1/mator/xfstests-dev# mount -t f2fs /dev/vdiskb1 /mnt
>> mount: /mnt: wrong fs type, bad option, bad superblock on
>> /dev/vdiskb1, missing codepage or helper program, or other error.
>> root@ttip:/1/mator/xfstests-dev# file -s /dev/vdiskb1
>> /dev/vdiskb1: F2FS filesystem,
>> UUID=1d8b9ca4-2389-4910-af3b-10998969f09c, volume name ""
>>
>> May 15 18:03:13 ttip kernel: F2FS-fs (vdiskb1): Invalid
>> page_cache_size (8192), supports only 4KB
>> May 15 18:03:13 ttip kernel: F2FS-fs (vdiskb1): Can't find valid F2FS
>> filesystem in 1th superblock
>> May 15 18:03:13 ttip kernel: F2FS-fs (vdiskb1): Invalid
>> page_cache_size (8192), supports only 4KB
>> May 15 18:03:13 ttip kernel: F2FS-fs (vdiskb1): Can't find valid F2FS
>> filesystem in 2th superblock
>> May 15 18:03:13 ttip kernel: F2FS-fs (vdiskb1): Invalid
>> page_cache_size (8192), supports only 4KB
>>
>> which was introduced by git commit 5c9b469295fb6b10d98923eab5e79c4edb80ed20
>>
>> tested on git kernel v4.17-rc5-20-g21b9f1c7e319
>>
>> Signed-off-by: Anatoly Pugachev <mator...@gmail.com>
>> ---
>>
>> diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
>> index 42d564c5ccd0..3071771bf261 100644
>> --- a/fs/f2fs/super.c
>> +++ b/fs/f2fs/super.c
>> @@ -3063,6 +3063,11 @@ static int __init init_f2fs_fs(void)
>> {
>> int err;
>>
>> + if (PAGE_SIZE > 4096) {
>
> It looks like
> if (PAGE_SIZE != F2FS_BLKSIZE)
>
>
>> + printk("F2FS not supported on PAGE_SIZE > 4096\n");
In addition,
printk("F2FS not supported on PAGE_SIZE(%lu) != %d\n",
PAGE_SIZE, F2FS_BLKSIZE);
return -EINVAL;
Thanks,
>> + return -1;
>> + }
>> +
>> f2fs_build_trace_ios();
>>
>> err = init_inodecache();
>>
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>
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