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| author | Joan Lledó <jlledom@member.fsf.org> | 2021-12-24 18:21:33 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2021-12-25 21:31:44 +0100 |
| commit | 6f4426fb7cc3ed01ad6a1e752f4ed96b98cb0525 (patch) | |
| tree | 327352fe837b25760e562906b6b41bf76ec84c7d /libnetfs/netfs.h | |
| parent | 867b8079569662ce2a22f2885ac8cdf168def822 (diff) | |
| download | hurd-6f4426fb7cc3ed01ad6a1e752f4ed96b98cb0525.tar.gz hurd-6f4426fb7cc3ed01ad6a1e752f4ed96b98cb0525.tar.bz2 hurd-6f4426fb7cc3ed01ad6a1e752f4ed96b98cb0525.zip | |
libnetfs: new user callback: netfs_get_filemap()
Provide the user with a new callback so they can implement file
mapping over file system nodes.
* libnetfs/netfs.h: Add prototype for netfs_get_filemap
* libnetfs/file-map.c: netfs_get_filemap definition
* libnetfs/Makefile: add file-map.c to sources
Message-Id: <20211224172132.15058-2-jlledom@mailfence.com>
Diffstat (limited to 'libnetfs/netfs.h')
| -rw-r--r-- | libnetfs/netfs.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libnetfs/netfs.h b/libnetfs/netfs.h index 38182ab7..ca506747 100644 --- a/libnetfs/netfs.h +++ b/libnetfs/netfs.h @@ -303,6 +303,11 @@ error_t netfs_get_dirents (struct iouser *cred, struct node *dir, mach_msg_type_number_t *datacnt, vm_size_t bufsize, int *amt); +/* The user may define this function. Return a memory object proxy port (send + right) for the file contents of NP. PROT is the maximum allowable + access. On errors, return MACH_PORT_NULL and set errno. */ +mach_port_t netfs_get_filemap (struct node *np, vm_prot_t prot); + /* The user may define this function. For a full description, see hurd/hurd_types.h. The default response indicates a network store. If the supplied buffers are not large enough, they should |