diff options
| author | Davidlohr Bueso <dave@stgolabs.net> | 2014-12-12 16:54:21 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-13 12:42:45 -0800 |
| commit | 83cde9e8ba95d180eaefefe834958fbf7008cf39 (patch) | |
| tree | 041dd6f0bc4e41baec1a46422683596111e1e2a8 /fs/hugetlbfs | |
| parent | 8b28f621bea6f84d44adf7e804b73aff1e09105b (diff) | |
| download | lwn-83cde9e8ba95d180eaefefe834958fbf7008cf39.tar.gz lwn-83cde9e8ba95d180eaefefe834958fbf7008cf39.zip | |
mm: use new helper functions around the i_mmap_mutex
Convert all open coded mutex_lock/unlock calls to the
i_mmap_[lock/unlock]_write() helpers.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: "Kirill A. Shutemov" <kirill@shutemov.name>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/hugetlbfs')
| -rw-r--r-- | fs/hugetlbfs/inode.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 1e2872b25343..a082709aa427 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) pgoff = offset >> PAGE_SHIFT; i_size_write(inode, offset); - mutex_lock(&mapping->i_mmap_mutex); + i_mmap_lock_write(mapping); if (!RB_EMPTY_ROOT(&mapping->i_mmap)) hugetlb_vmtruncate_list(&mapping->i_mmap, pgoff); - mutex_unlock(&mapping->i_mmap_mutex); + i_mmap_unlock_write(mapping); truncate_hugepages(inode, offset); return 0; } |