From aa704d4e75c1ee4fe8eb6dc448955792fe19c96d Mon Sep 17 00:00:00 2001 From: YueHaibing Date: Sat, 15 Dec 2018 06:31:07 +0000 Subject: btrfs: remove set but not used variable 'num_pages' Fixes gcc '-Wunused-but-set-variable' warning: fs/btrfs/ioctl.c: In function 'btrfs_extent_same': fs/btrfs/ioctl.c:3260:6: warning: variable 'num_pages' set but not used [-Wunused-but-set-variable] It not used any more since commit 9ee8234e6220 ("Btrfs: use generic_remap_file_range_prep() for cloning and deduplication") Reviewed-by: Anand Jain Signed-off-by: YueHaibing Signed-off-by: David Sterba --- fs/btrfs/ioctl.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'fs/btrfs/ioctl.c') diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 7ff60217ec55..4b5619127435 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3278,7 +3278,6 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen, struct inode *dst, u64 dst_loff) { int ret; - int num_pages = PAGE_ALIGN(BTRFS_MAX_DEDUPE_LEN) >> PAGE_SHIFT; u64 i, tail_len, chunk_count; /* don't make the dst file partly checksummed */ @@ -3291,8 +3290,6 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen, tail_len = olen % BTRFS_MAX_DEDUPE_LEN; chunk_count = div_u64(olen, BTRFS_MAX_DEDUPE_LEN); - if (chunk_count == 0) - num_pages = PAGE_ALIGN(tail_len) >> PAGE_SHIFT; for (i = 0; i < chunk_count; i++) { ret = btrfs_extent_same_range(src, loff, BTRFS_MAX_DEDUPE_LEN, -- cgit v1.2.3