tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 888c8375131656144c1605071eab2eb6ac49abc3 commit: 1a46f12e507169712d013d2da8f8e06135281661 [1781/2084] ocfs2: code clean up for direct io config: x86_64-randconfig-b0-01281432 (attached as .config) reproduce: git checkout 1a46f12e507169712d013d2da8f8e06135281661 # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): fs/ocfs2/file.c: In function 'ocfs2_file_write_iter': >> fs/ocfs2/file.c:2198:1: warning: label 'relock' defined but not used [-Wunused-label] relock: ^ vim +/relock +2198 fs/ocfs2/file.c faaebf18 Joseph Qi 2015-09-04 2182 int append_write = ((iocb->ki_pos + count) >= faaebf18 Joseph Qi 2015-09-04 2183 i_size_read(inode) ? 1 : 0); 9517bac6 Mark Fasheh 2007-02-09 2184 468eedde Tao Ma 2011-02-22 2185 trace_ocfs2_file_aio_write(inode, file, file->f_path.dentry, 468eedde Tao Ma 2011-02-22 2186 (unsigned long long)OCFS2_I(inode)->ip_blkno, 9517bac6 Mark Fasheh 2007-02-09 2187 file->f_path.dentry->d_name.len, 468eedde Tao Ma 2011-02-22 2188 file->f_path.dentry->d_name.name, 3ef045c3 Al Viro 2014-04-03 2189 (unsigned int)from->nr_segs); /* GRRRRR */ 8659ac25 Tiger Yang 2006-10-17 2190 66ee59af Christoph Hellwig 2015-02-11 2191 if (count == 0) 8659ac25 Tiger Yang 2006-10-17 2192 return 0; 8659ac25 Tiger Yang 2006-10-17 2193 2ba48ce5 Al Viro 2015-04-09 2194 direct_io = iocb->ki_flags & IOCB_DIRECT ? 1 : 0; 9517bac6 Mark Fasheh 2007-02-09 2195 5955102c Al Viro 2016-01-22 2196 inode_lock(inode); 9517bac6 Mark Fasheh 2007-02-09 2197 9517bac6 Mark Fasheh 2007-02-09 @2198 relock: 7bdb0d18 Tristan Ye 2010-10-11 2199 /* 7bdb0d18 Tristan Ye 2010-10-11 2200 * Concurrent O_DIRECT writes are allowed with 7bdb0d18 Tristan Ye 2010-10-11 2201 * mount_option "coherency=buffered". faaebf18 Joseph Qi 2015-09-04 2202 * For append write, we must take rw EX. 7bdb0d18 Tristan Ye 2010-10-11 2203 */ faaebf18 Joseph Qi 2015-09-04 2204 rw_level = (!direct_io || full_coherency || append_write); 7bdb0d18 Tristan Ye 2010-10-11 2205 8659ac25 Tiger Yang 2006-10-17 2206 ret = ocfs2_rw_lock(inode, rw_level); :::::: The code at line 2198 was first introduced by commit :::::: 9517bac6cc7a7aa4fee63cb38a32cb6014e264c7 ocfs2: teach ocfs2_file_aio_write() about sparse files :::::: TO: Mark Fasheh <mark.fasheh@xxxxxxxxxx> :::::: CC: Mark Fasheh <mark.fasheh@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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