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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2011-05-24 20:12:06 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-25 11:39:18 -0400
commit3d48ae45e72390ddf8cc5256ac32ed6f7a19cbea (patch)
tree1f46db3a8424090dd8e0b58991fa5acc1a73e680 /fs/hugetlbfs/inode.c
parent97a894136f29802da19a15541de3c019e1ca147e (diff)
mm: Convert i_mmap_lock to a mutex
Straightforward conversion of i_mmap_lock to a mutex. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Hugh Dickins <hughd@google.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David Miller <davem@davemloft.net> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Cc: Tony Luck <tony.luck@intel.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/hugetlbfs/inode.c')
-rw-r--r--fs/hugetlbfs/inode.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index b9eeb1cd03ff..e7a035781b7d 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -412,10 +412,10 @@ static int hugetlb_vmtruncate(struct inode *inode, loff_t offset)
412 pgoff = offset >> PAGE_SHIFT; 412 pgoff = offset >> PAGE_SHIFT;
413 413
414 i_size_write(inode, offset); 414 i_size_write(inode, offset);
415 spin_lock(&mapping->i_mmap_lock); 415 mutex_lock(&mapping->i_mmap_mutex);
416 if (!prio_tree_empty(&mapping->i_mmap)) 416 if (!prio_tree_empty(&mapping->i_mmap))
417 hugetlb_vmtruncate_list(&mapping->i_mmap, pgoff); 417 hugetlb_vmtruncate_list(&mapping->i_mmap, pgoff);
418 spin_unlock(&mapping->i_mmap_lock); 418 mutex_unlock(&mapping->i_mmap_mutex);
419 truncate_hugepages(inode, offset); 419 truncate_hugepages(inode, offset);
420 return 0; 420 return 0;
421} 421}