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It allows to reset prevent_medium_removal flag and "eject" the image. This can be useful to free the drive from a hunging host or if the host continues to use the drive even after unmounting (Linux does this). It's also a bit like using an unfolded paperclip on an optical drive. Previously, the undocumented method of sending SIGUSR1 to a special "file-storage" kernel thread could be used for these purposes, but when using multiple storages there was no way to distinguish one from the other, so we had to send a signal to everyone. Reviewed-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Maxim Devaev <mdevaev@gmail.com> Link: https://lore.kernel.org/r/20220711102956.19642-1-mdevaev@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| .. | ||
| acm.rst | ||
| authorization.rst | ||
| chipidea.rst | ||
| CREDITS | ||
| dwc3.rst | ||
| ehci.rst | ||
| functionfs.rst | ||
| gadget_configfs.rst | ||
| gadget_hid.rst | ||
| gadget_multi.rst | ||
| gadget_printer.rst | ||
| gadget_serial.rst | ||
| gadget-testing.rst | ||
| index.rst | ||
| iuu_phoenix.rst | ||
| linux-cdc-acm.inf | ||
| linux.inf | ||
| mass-storage.rst | ||
| misc_usbsevseg.rst | ||
| mtouchusb.rst | ||
| ohci.rst | ||
| raw-gadget.rst | ||
| text_files.rst | ||
| usb-help.rst | ||
| usb-serial.rst | ||
| usbdevfs-drop-permissions.c | ||
| usbip_protocol.rst | ||
| usbmon.rst | ||