ocfs2: remove set but not used variable 'lastzero'

lastzero is not used after setting its value.  It is safe to remove the
unused variable.

Link: http://lkml.kernel.org/r/1540296942-24533-1-git-send-email-zhongjiang@huawei.com
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 7642b67..308f05b 100644 (file)
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -835,7 +835,7 @@ static int ocfs2_local_alloc_find_clear_bits(struct ocfs2_super *osb,
                                     u32 *numbits,
                                     struct ocfs2_alloc_reservation *resv)
 {
-       int numfound = 0, bitoff, left, startoff, lastzero;
+       int numfound = 0, bitoff, left, startoff;
        int local_resv = 0;
        struct ocfs2_alloc_reservation r;
        void *bitmap = NULL;
@@ -873,7 +873,6 @@ static int ocfs2_local_alloc_find_clear_bits(struct ocfs2_super *osb,
        bitmap = OCFS2_LOCAL_ALLOC(alloc)->la_bitmap;
 
        numfound = bitoff = startoff = 0;
-       lastzero = -1;
        left = le32_to_cpu(alloc->id1.bitmap1.i_total);
        while ((bitoff = ocfs2_find_next_zero_bit(bitmap, left, startoff)) != -1) {
                if (bitoff == left) {