[CRIU] [PATCH v4 02/17] filemap: collect mapped file fs type

[Stanislav Kinsburskiy]

02.06.2016 13:08, Pavel Emelyanov пишет:
> On 05/20/2016 02:36 PM, Stanislav Kinsburskiy wrote:
>> It will be used later to define wheither this file is unreachable on restore
>> (located on NFS, for example)
>>
>> Signed-off-by: Stanislav Kinsburskiy <skinsbursky at virtuozzo.com>
>> ---
>>   criu/cr-dump.c |    8 ++++++++
>>   1 file changed, 8 insertions(+)
>>
>> diff --git a/criu/cr-dump.c b/criu/cr-dump.c
>> index 8ef46a4..6cbef99 100644
>> --- a/criu/cr-dump.c
>> +++ b/criu/cr-dump.c
>> @@ -371,12 +371,20 @@ static int dump_filemap(pid_t pid, struct vma_area *vma_area,
> Why only for mapped files?

For the rest it's collected in fill_fd_params

>>   	struct fd_parms p = FD_PARMS_INIT;
>>   	VmaEntry *vma = vma_area->e;
>>   	int ret = 0;
>> +	struct statfs fst;
>>   	u32 id;
>>   
>>   	BUG_ON(!vma_area->vmst);
>>   	p.stat = *vma_area->vmst;
>>   	p.mnt_id = vma_area->mnt_id;
>>   
>> +	if (fstatfs(vma_area->vm_file_fd, &fst)) {
>> +		pr_perror("Unable to statfs fd %d", vma_area->vm_file_fd);
>> +		return -1;
>> +	}
>> +
>> +	p.fs_type = fst.f_type;
>> +
>>   	/*
>>   	 * AUFS support to compensate for the kernel bug
>>   	 * exposing branch pathnames in map_files.
>>
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>> .
>>