proc: less LOCK/UNLOCK in remove_proc_entry()
authorAlexey Dobriyan <adobriyan@gmail.com>
Thu, 13 Jan 2011 01:00:35 +0000 (17:00 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 13 Jan 2011 16:03:17 +0000 (08:03 -0800)
commit3740a20c4fe8697cb604a7d51395d23472b1768f
treedac4b07e654742bc60fad44c55327d8b3f86e4b3
parenta6fc86d2b43bf1086557f023a24adf91db915559
proc: less LOCK/UNLOCK in remove_proc_entry()

For the common case where a proc entry is being removed and nobody is in
the process of using it, save a LOCK/UNLOCK pair.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/proc/generic.c