Adaptation problem of Chan stack: Control of special case FF_MAX_SS == FF_MIN_SS in FatFileSystem

[bulanek]

Description of defect

Compilation problem in special case of configuration Chan stack of SD:
In FatFileSystem::statvfs is missing controll of special case of configuration Chan stack when FF_MAX_SS == FF_MIN_SS
#if FF_MAX_SS == FF_MIN_SS
buf->f_bsize = FF_MAX_SS;
buf->f_frsize = FF_MAX_SS;
#else
buf->f_bsize = fs->ssize;
buf->f_frsize =fs->ssize;
#endif

This change make Mbed OK.

Target(s) affected by this defect ?

NRF

Toolchain(s) (name and version) displaying this defect ?

What version of Mbed-os are you using (tag or sha) ?

What version(s) of tools are you using. List all that apply (E.g. mbed-cli)

How is this defect reproduced ?

[mbedmain]

@bulanek thank you for raising this issue.Please take a look at the following comments:

Could you add some more detail to the description? A good description should be at least 25 words.
What toolchain(s) are you using?
What Mbed OS version are you using?
It would help if you could also specify the versions of any tools you are using?
How can we reproduce your issue?

NOTE: If there are fields which are not applicable then please just add 'n/a' or 'None'. This indicates to us that at least all the fields have been considered.
Please update the issue header with the missing information.

[bulanek]

Please add control to
int FATFileSystem::statvfs(const char *path, struct statvfs *buf):

#if FF_MAX_SS == FF_MIN_SS
buf->f_bsize = FF_MAX_SS;
buf->f_frsize = FF_MAX_SS;
#else
buf->f_bsize = fs->ssize;
buf->f_frsize =fs->ssize;

[0xc0170]

Hi @bulanek , would you create a merge request to address this?