Hi-- On 3/23/21 12:59 PM, André Almeida wrote: > Document mounting options to enable casefold support in tmpfs. > > Signed-off-by: André Almeida <andrealmeid@xxxxxxxxxxxxx> > --- > Documentation/filesystems/tmpfs.rst | 26 ++++++++++++++++++++++++++ > 1 file changed, 26 insertions(+) > > diff --git a/Documentation/filesystems/tmpfs.rst b/Documentation/filesystems/tmpfs.rst > index 0408c245785e..84c87c309bd7 100644 > --- a/Documentation/filesystems/tmpfs.rst > +++ b/Documentation/filesystems/tmpfs.rst > @@ -170,6 +170,32 @@ So 'mount -t tmpfs -o size=10G,nr_inodes=10k,mode=700 tmpfs /mytmpfs' > will give you tmpfs instance on /mytmpfs which can allocate 10GB > RAM/SWAP in 10240 inodes and it is only accessible by root. > > +tmpfs has the following mounting options for case-insesitive lookups support: > + > +========= ============================================================== > +casefold Enable casefold support at this mount point using the given > + argument as enconding. Currently only utf8 encondings are supported. encoding. encodings > +cf_strict Enable strict casefolding at this mouting point (disabled by mount > + default). This means that invalid strings should be reject by the rejected > + file system. > +========= ============================================================== > + > +Note that this option doesn't enable casefold by default, one needs to set default; one needs to set the > +casefold flag per directory, setting the +F attribute in an empty directory. New > +directories within a casefolded one will inherit the flag. -- ~Randy