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path: root/fs/proc_namespace.c
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2016-05-01vfs: show_vfsstat: do not ignore errors from show_devname methodDmitry V. Levin1-0/+3
commit 5f8d498d4364f544fee17125787a47553db02afa upstream. Explicitly check show_devname method return code and bail out in case of an error. This fixes regression introduced by commit 9d4d65748a5c. Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> [bwh: Backported to 3.16: add the 'out' label] Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
2014-04-02reduce m_start() cost...Al Viro1-0/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-01-24fs/proc_namespace.c: simplify testing nsp and nsp->mnt_nsAxel Lin1-6/+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>
2013-10-25don't bother with vfsmount_lock in mounts_poll()Al Viro1-4/+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>
2012-07-14get rid of magic in proc_namespace.cAl Viro1-4/+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>
2012-05-30brlocks/lglocks: API cleanupsAndi Kleen1-2/+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>
2012-01-07vfs: switch ->show_options() to struct dentry *Al Viro1-2/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-07vfs: switch ->show_path() to struct dentry *Al Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-07vfs: switch ->show_devname() to struct dentry *Al Viro1-8/+9
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-07vfs: switch ->show_stats to struct dentry *Al Viro1-5/+6
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-04vfs: take /proc/*/mounts and friends to fs/proc_namespace.cAl Viro1-0/+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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