Messages in this thread | | | Date | Tue, 17 Aug 2021 12:05:27 +0800 | From | kernel test robot <> | Subject | [djwong-xfs:defrag-freespace 309/310] fs/xfs/libxfs/xfs_bmap.c:6593:33: warning: variable 'rtxlen_in' set but not used |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git defrag-freespace head: eac62500d5481c286ef5fac0873d1707175312b6 commit: e17e75a18c97e1f807f4e82707349ffa38c94fa3 [309/310] xfs: fallocate free space into a file config: mips-rm200_defconfig (attached as .config) compiler: mipsel-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git/commit/?id=e17e75a18c97e1f807f4e82707349ffa38c94fa3 git remote add djwong-xfs https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git git fetch --no-tags djwong-xfs defrag-freespace git checkout e17e75a18c97e1f807f4e82707349ffa38c94fa3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
fs/xfs/libxfs/xfs_bmap.c: In function 'xfs_bmapi_freesp': >> fs/xfs/libxfs/xfs_bmap.c:6593:33: warning: variable 'rtxlen_in' set but not used [-Wunused-but-set-variable] 6593 | xfs_extlen_t rtxlen_in, rtxlen_out; | ^~~~~~~~~
vim +/rtxlen_in +6593 fs/xfs/libxfs/xfs_bmap.c
6541 6542 /* 6543 * Given a file and a free physical extent, map it into the file at the same 6544 * offset if the file were a sparse image of the physical device. Set @mval to 6545 * whatever mapping we added to the file. 6546 */ 6547 int 6548 xfs_bmapi_freesp( 6549 struct xfs_trans **tpp, 6550 struct xfs_inode *ip, 6551 xfs_fsblock_t fsbno, 6552 xfs_extlen_t len, 6553 struct xfs_bmbt_irec *mval) 6554 { 6555 struct xfs_bmbt_irec irec; 6556 struct xfs_mount *mp = ip->i_mount; 6557 xfs_fileoff_t startoff; 6558 bool isrt = XFS_IS_REALTIME_INODE(ip); 6559 int nimaps; 6560 int error; 6561 6562 trace_xfs_bmapi_freesp(ip, fsbno, len); 6563 6564 error = xfs_iext_count_may_overflow(ip, XFS_DATA_FORK, 6565 XFS_IEXT_ADD_NOSPLIT_CNT); 6566 if (error) 6567 return error; 6568 6569 if (isrt) 6570 startoff = fsbno; 6571 else 6572 startoff = xfs_fsblock_to_fileoff(mp, fsbno); 6573 6574 /* Make sure the entire range is a hole. */ 6575 nimaps = 1; 6576 error = xfs_bmapi_read(ip, startoff, len, &irec, &nimaps, 0); 6577 if (error) 6578 return error; 6579 6580 if (irec.br_startoff != startoff || 6581 irec.br_startblock != HOLESTARTBLOCK || 6582 irec.br_blockcount < len) 6583 return -EINVAL; 6584 6585 /* 6586 * Allocate the physical extent. We should not have dropped the lock 6587 * since the scan of the free space metadata, so this should work, 6588 * though the length may be adjusted to play nicely with metadata space 6589 * reservations. 6590 */ 6591 if (isrt) { 6592 xfs_rtblock_t rtx_in, rtx_out; > 6593 xfs_extlen_t rtxlen_in, rtxlen_out;
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