Hi, [auto build test WARNING on ext4/dev] [also build test WARNING on v4.7-rc3 next-20160616] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Jan-Kara/ext4-Fix-deadlock-during-page-writeback/20160616-184851 base: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev reproduce: make htmldocs All warnings (new ones prefixed by >>): include/linux/jbd2.h:442: warning: No description found for parameter 'i_transaction' include/linux/jbd2.h:442: warning: No description found for parameter 'i_next_transaction' include/linux/jbd2.h:442: warning: No description found for parameter 'i_list' include/linux/jbd2.h:442: warning: No description found for parameter 'i_vfs_inode' include/linux/jbd2.h:442: warning: No description found for parameter 'i_flags' include/linux/jbd2.h:494: warning: No description found for parameter 'h_rsv_handle' include/linux/jbd2.h:494: warning: No description found for parameter 'h_reserved' include/linux/jbd2.h:494: warning: No description found for parameter 'h_type' include/linux/jbd2.h:494: warning: No description found for parameter 'h_line_no' include/linux/jbd2.h:494: warning: No description found for parameter 'h_start_jiffies' include/linux/jbd2.h:494: warning: No description found for parameter 'h_requested_credits' include/linux/jbd2.h:1046: warning: No description found for parameter 'j_chkpt_bhs[JBD2_NR_BATCH]' include/linux/jbd2.h:1046: warning: No description found for parameter 'j_devname[BDEVNAME_SIZE+24]' include/linux/jbd2.h:1046: warning: No description found for parameter 'j_average_commit_time' include/linux/jbd2.h:1046: warning: No description found for parameter 'j_min_batch_time' include/linux/jbd2.h:1046: warning: No description found for parameter 'j_max_batch_time' include/linux/jbd2.h:1046: warning: No description found for parameter 'j_commit_callback' include/linux/jbd2.h:1046: warning: No description found for parameter 'j_failed_commit' include/linux/jbd2.h:1046: warning: No description found for parameter 'j_chksum_driver' include/linux/jbd2.h:1046: warning: No description found for parameter 'j_csum_seed' >> include/linux/jbd2.h:1046: warning: No description found for parameter 'j_trans_commit_map' fs/jbd2/transaction.c:424: warning: No description found for parameter 'rsv_blocks' fs/jbd2/transaction.c:424: warning: No description found for parameter 'gfp_mask' fs/jbd2/transaction.c:424: warning: No description found for parameter 'type' fs/jbd2/transaction.c:424: warning: No description found for parameter 'line_no' fs/jbd2/transaction.c:500: warning: No description found for parameter 'type' fs/jbd2/transaction.c:500: warning: No description found for parameter 'line_no' fs/jbd2/transaction.c:630: warning: No description found for parameter 'gfp_mask' vim +/j_trans_commit_map +1046 include/linux/jbd2.h 01b5adce Darrick J. Wong 2012-05-27 1030 struct crypto_shash *j_chksum_driver; 4fd5ea43 Darrick J. Wong 2012-05-27 1031 4fd5ea43 Darrick J. Wong 2012-05-27 1032 /* Precomputed journal UUID checksum for seeding other checksums */ 4fd5ea43 Darrick J. Wong 2012-05-27 1033 __u32 j_csum_seed; ef50ddbd Jan Kara 2016-06-16 1034 ef50ddbd Jan Kara 2016-06-16 1035 #ifdef CONFIG_DEBUG_LOCK_ALLOC ef50ddbd Jan Kara 2016-06-16 1036 /* ef50ddbd Jan Kara 2016-06-16 1037 * Lockdep entity to track transaction commit dependencies. Handles ef50ddbd Jan Kara 2016-06-16 1038 * hold this "lock" for read, when we wait for commit, we acquire the ef50ddbd Jan Kara 2016-06-16 1039 * "lock" for writing. This matches the properties of jbd2 journalling ef50ddbd Jan Kara 2016-06-16 1040 * where the running transaction has to wait for all handles to be ef50ddbd Jan Kara 2016-06-16 1041 * dropped to commit that transaction and also acquiring a handle may ef50ddbd Jan Kara 2016-06-16 1042 * require transaction commit to finish. ef50ddbd Jan Kara 2016-06-16 1043 */ ef50ddbd Jan Kara 2016-06-16 1044 struct lockdep_map j_trans_commit_map; ef50ddbd Jan Kara 2016-06-16 1045 #endif 470decc6 Dave Kleikamp 2006-10-11 @1046 }; 470decc6 Dave Kleikamp 2006-10-11 1047 56316a0d Darrick J. Wong 2015-10-17 1048 /* journal feature predicate functions */ 56316a0d Darrick J. Wong 2015-10-17 1049 #define JBD2_FEATURE_COMPAT_FUNCS(name, flagname) \ 56316a0d Darrick J. Wong 2015-10-17 1050 static inline bool jbd2_has_feature_##name(journal_t *j) \ 56316a0d Darrick J. Wong 2015-10-17 1051 { \ 56316a0d Darrick J. Wong 2015-10-17 1052 return ((j)->j_format_version >= 2 && \ 56316a0d Darrick J. Wong 2015-10-17 1053 ((j)->j_superblock->s_feature_compat & \ 56316a0d Darrick J. Wong 2015-10-17 1054 cpu_to_be32(JBD2_FEATURE_COMPAT_##flagname)) != 0); \ :::::: The code at line 1046 was first introduced by commit :::::: 470decc613ab2048b619a01028072d932d9086ee [PATCH] jbd2: initial copy of files from jbd :::::: TO: Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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