On Sun, Aug 12, 2012 at 08:10:40PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> if NULL is pass as type mount will try to autodetect the filesystem type
>
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
> ---
> fs/Kconfig | 5 +++++
> fs/fs.c | 28 ++++++++++++++++++++++++++++
> include/fs.h | 5 +++++
> 3 files changed, 38 insertions(+)
>
> diff --git a/fs/Kconfig b/fs/Kconfig
> index b75820f..4c66543 100644
> --- a/fs/Kconfig
> +++ b/fs/Kconfig
> @@ -1,6 +1,11 @@
>
> menu "Filesystem support "
>
> +config FS
> + bool
> + default y
> + select FILETYPE
> +
> config FS_AUTOMOUNT
> bool
>
> diff --git a/fs/fs.c b/fs/fs.c
> index 0b376a5..e80d907 100644
> --- a/fs/fs.c
> +++ b/fs/fs.c
> @@ -954,6 +954,28 @@ int register_fs_driver(struct fs_driver_d *fsdrv)
> }
> EXPORT_SYMBOL(register_fs_driver);
>
> +static const char * detect_fs(const char *filename)
static const char *detect_fs(const char *filename)
please
> +{
> + enum filetype type = file_name_detect_type(filename);
> + struct driver_d *drv;
> + struct fs_driver_d *fdrv;
> +
> + if (type == filetype_unknown)
> + return NULL;
> +
> + for_each_driver(drv) {
> + if (drv->bus != &fs_bus)
> + continue;
> +
> + fdrv = drv_to_fs_driver(drv);
> +
> + if(type == fdrv->type)
if (
> + return drv->name;
> + }
> +
> + return NULL;
> +}
> +
> /*
> * Mount a device to a directory.
> * We do this by registering a new device on which the filesystem
> @@ -985,6 +1007,12 @@ int mount(const char *device, const char *fsname, const char *_path)
> }
> }
>
> + if (!fsname)
> + fsname = detect_fs(device);
> +
> + if (!fsname)
> + return -ENOENT;
Should be -ENODEV I think. At least that's what Linux mount returns in
this case.
Sascha
--
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