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Arjan van de Ven 8e7795ef6b [PATCH] lockdep: annotate USBFS ... In usbfs's fs_remove_file() function, the aim is to remove a file or directory from usbfs. This is done by first taking the i_mutex of the parent directory of this file/dir via mutex_lock(&parent->d_inode->i_mutex); and then to call either usbfs_rmdir() for a directory or usbfs_unlink() for a file. Both these functions then take the i_mutex for the to-be-removed object themselves: mutex_lock(&inode->i_mutex); This is a classical parent->child locking order relationship that the VFS uses all over the place; the VFS locking rule is "you need to take the parent first". This patch annotates the usbfs code to make this explicit and thus informs the lockdep code that those two locks indeed have this relationship. The rules for unlink that we already use in the VFS for unlink are to use I_MUTEX_PARENT for the parent directory, and a normal mutex for the file itself; this patch follows that convention. Has no effect on non-lockdep kernels. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		19 years ago
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Kconfig	[PATCH] USB: otg hub support is optional	19 years ago
Makefile	[PATCH] USB: move the endpoint specific sysfs code to it's own file	19 years ago
buffer.c	Remove obsolete #include <linux/config.h>	19 years ago
config.c	Remove obsolete #include <linux/config.h>	19 years ago
devices.c	…
devio.c	[PATCH] SELinux: update USB code with new kill_proc_info_as_uid	19 years ago
driver.c	Remove obsolete #include <linux/config.h>	19 years ago
endpoint.c	[PATCH] USB: make endpoints real struct devices	19 years ago
file.c	Remove obsolete #include <linux/config.h>	19 years ago
hcd-pci.c	[PATCH] irq-flags: usb: Use the new IRQF_ constants	19 years ago
hcd.c	Remove obsolete #include <linux/config.h>	19 years ago
hcd.h	[PATCH] USB: remove usbcore-specific wakeup flags	19 years ago
hub.c	Remove obsolete #include <linux/config.h>	19 years ago
hub.h	…
inode.c	[PATCH] lockdep: annotate USBFS	19 years ago
message.c	Remove obsolete #include <linux/config.h>	19 years ago
notify.c	Remove obsolete #include <linux/config.h>	19 years ago
otg_whitelist.h	…
sysfs.c	Remove obsolete #include <linux/config.h>	19 years ago
urb.c	Remove obsolete #include <linux/config.h>	19 years ago
usb.c	Remove obsolete #include <linux/config.h>	19 years ago
usb.h	[PATCH] SELinux: update USB code with new kill_proc_info_as_uid	19 years ago