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* reduce m_start() cost...Al Viro2014-04-011-0/+1
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* fs/proc_namespace.c: simplify testing nsp and nsp->mnt_nsAxel Lin2014-01-231-6/+1
| | | | | | | | Trivial cleanup to eliminate a goto. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* don't bother with vfsmount_lock in mounts_poll()Al Viro2013-10-241-4/+4
| | | | | | | wake_up_interruptible/poll_wait provide sufficient barriers; just use ACCESS_ONCE() to fetch ns->event and that's it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* get rid of magic in proc_namespace.cAl Viro2012-07-141-4/+3
| | | | | | | | don't rely on proc_mounts->m being the first field; container_of() is there for purpose. No need to bother with ->private, while we are at it - the same container_of will do nicely. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* brlocks/lglocks: API cleanupsAndi Kleen2012-05-291-2/+2
| | | | | | | | | | | | | | | | | | | | | lglocks and brlocks are currently generated with some complicated macros in lglock.h. But there's no reason to not just use common utility functions and put all the data into a common data structure. In preparation, this patch changes the API to look more like normal function calls with pointers, not magic macros. The patch is rather large because I move over all users in one go to keep it bisectable. This impacts the VFS somewhat in terms of lines changed. But no actual behaviour change. [akpm@linux-foundation.org: checkpatch fixes] Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* vfs: switch ->show_options() to struct dentry *Al Viro2012-01-061-2/+2
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* vfs: switch ->show_path() to struct dentry *Al Viro2012-01-061-1/+1
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* vfs: switch ->show_devname() to struct dentry *Al Viro2012-01-061-8/+9
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* vfs: switch ->show_stats to struct dentry *Al Viro2012-01-061-5/+6
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* vfs: take /proc/*/mounts and friends to fs/proc_namespace.cAl Viro2012-01-031-0/+331
rationale: that stuff is far tighter bound to fs/namespace.c than to the guts of procfs proper. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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