diff options
Diffstat (limited to 'drivers/usb/gadget/function/f_mass_storage.c')
| -rw-r--r-- | drivers/usb/gadget/function/f_mass_storage.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index e884f295504f..925e99f9775c 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -2651,10 +2651,21 @@ static ssize_t file_store(struct device *dev, struct device_attribute *attr, return fsg_store_file(curlun, filesem, buf, count); } +static ssize_t forced_eject_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct fsg_lun *curlun = fsg_lun_from_dev(dev); + struct rw_semaphore *filesem = dev_get_drvdata(dev); + + return fsg_store_forced_eject(curlun, filesem, buf, count); +} + static DEVICE_ATTR_RW(nofua); /* mode wil be set in fsg_lun_attr_is_visible() */ static DEVICE_ATTR(ro, 0, ro_show, ro_store); static DEVICE_ATTR(file, 0, file_show, file_store); +static DEVICE_ATTR_WO(forced_eject); /****************************** FSG COMMON ******************************/ @@ -2808,6 +2819,7 @@ static struct attribute *fsg_lun_dev_attrs[] = { &dev_attr_ro.attr, &dev_attr_file.attr, &dev_attr_nofua.attr, + &dev_attr_forced_eject.attr, NULL }; @@ -3221,6 +3233,18 @@ static ssize_t fsg_lun_opts_inquiry_string_store(struct config_item *item, CONFIGFS_ATTR(fsg_lun_opts_, inquiry_string); +static ssize_t fsg_lun_opts_forced_eject_store(struct config_item *item, + const char *page, size_t len) +{ + struct fsg_lun_opts *opts = to_fsg_lun_opts(item); + struct fsg_opts *fsg_opts = to_fsg_opts(opts->group.cg_item.ci_parent); + + return fsg_store_forced_eject(opts->lun, &fsg_opts->common->filesem, + page, len); +} + +CONFIGFS_ATTR_WO(fsg_lun_opts_, forced_eject); + static struct configfs_attribute *fsg_lun_attrs[] = { &fsg_lun_opts_attr_file, &fsg_lun_opts_attr_ro, @@ -3228,6 +3252,7 @@ static struct configfs_attribute *fsg_lun_attrs[] = { &fsg_lun_opts_attr_cdrom, &fsg_lun_opts_attr_nofua, &fsg_lun_opts_attr_inquiry_string, + &fsg_lun_opts_attr_forced_eject, NULL, }; |