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Al Viro d83c49f3e3 Fix the regression created by "set S_DEAD on unlink()..." commit ... 1) i_flags simply doesn't work for mount/unlink race prevention; we may have many links to file and rm on one of those obviously shouldn't prevent bind on top of another later on. To fix it right way we need to mark _dentry_ as unsuitable for mounting upon; new flag (DCACHE_CANT_MOUNT) is protected by d_flags and i_mutex on the inode in question. Set it (with dont_mount(dentry)) in unlink/rmdir/etc., check (with cant_mount(dentry)) in places in namespace.c that used to check for S_DEAD. Setting S_DEAD is still needed in places where we used to set it (for directories getting killed), since we rely on it for readdir/rmdir race prevention. 2) rename()/mount() protection has another bogosity - we unhash the target before we'd checked that it's not a mountpoint. Fixed. 3) ancient bogosity in pivot_root() - we locked i_mutex on the right directory, but checked S_DEAD on the different (and wrong) one. Noticed and fixed. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>		15 years ago
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Kconfig	USB: fix build on OMAPs if CONFIG_PM_RUNTIME is not set	15 years ago
Makefile	USB: add the usbfs devices file to debugfs	16 years ago
buffer.c	…
config.c	USB: Fix SS endpoint companion descriptor parsing.	16 years ago
devices.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
devio.c	USB: fix usbfs regression	15 years ago
driver.c	USB: put claimed interfaces in the "suspended" state	15 years ago
endpoint.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
file.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
generic.c	USB: don't choose configs with no interfaces	15 years ago
hcd-pci.c	USB: implement non-tree resume ordering constraints for PCI host controllers	15 years ago
hcd.c	USB: fix the idProduct value for USB-3.0 root hubs	15 years ago
hcd.h	USB: Move hcd free_dev call into usb_disconnect to fix oops	15 years ago
hub.c	USB hub: make USB device id constant	15 years ago
hub.h	USB: fix the clear_tt_buffer interface	16 years ago
inode.c	Fix the regression created by "set S_DEAD on unlink()..." commit	15 years ago
message.c	USB: don't read past config->interface[] if usb_control_msg() fails in usb_reset_configuration()	15 years ago
notify.c	…
otg_whitelist.h	…
quirks.c	USB: change handling of negative autosuspend delays	15 years ago
sysfs.c	USB: change handling of negative autosuspend delays	15 years ago
urb.c	USB: Fix usb_fill_int_urb for SuperSpeed devices	15 years ago
usb.c	USB: rename usb_buffer_alloc() and usb_buffer_free()	15 years ago
usb.h	USB: convert to the runtime PM framework	15 years ago