From: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
Due the initialization of blockmask variable with its definition, gcc issues the
following warning due an unused variable during compilation time.
fs/xfs//xfs_aops.c: In function ‘xfs_finish_page_writeback’:
fs/xfs//xfs_aops.c:97:15: warning: unused variable ‘blockmask’
[-Wunused-variable]
unsigned int blockmask = (1 << inode->i_blkbits) - 1;
^
Remove this warning by initializing the variable after its definition.
This change causes no difference in the generated assembly code
Signed-off-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
---
fs/xfs/xfs_aops.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 40645a4..f4e2d3b 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -94,11 +94,12 @@ xfs_finish_page_writeback(
struct bio_vec *bvec,
int error)
{
- unsigned int blockmask = (1 << inode->i_blkbits) - 1;
+ unsigned int blockmask;
unsigned int end = bvec->bv_offset + bvec->bv_len - 1;
struct buffer_head *head, *bh;
unsigned int off = 0;
+ blockmask = (1 << inode->i_blkbits) - 1;
ASSERT(bvec->bv_offset < PAGE_SIZE);
ASSERT((bvec->bv_offset & blockmask) == 0);
ASSERT(end < PAGE_SIZE);
--
2.4.11
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