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Date: Wed, 6 Jan 2016 07:20:33 +0800
From: kbuild test robot <lkp@...el.com>
To: mchristi@...hat.com
Cc: kbuild-all@...org, linux-f2fs-devel@...ts.sourceforge.net,
linux-ext4@...r.kernel.org, konrad.wilk@...cle.com,
drbd-dev@...ts.linbit.com, philipp.reisner@...bit.com,
lars.ellenberg@...bit.com, linux-raid@...r.kernel.org,
dm-devel@...hat.com, linux-fsdevel@...r.kernel.org,
linux-bcache@...r.kernel.org, linux-block@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
linux-mtd@...ts.infradead.org, target-devel@...r.kernel.org,
linux-btrfs@...r.kernel.org, osd-dev@...n-osd.org, xfs@....sgi.com,
ocfs2-devel@....oracle.com, Mike Christie <mchristi@...hat.com>
Subject: Re: [PATCH 05/35] fs: have ll_rw_block users pass in op and flags
separately
Hi Mike,
[auto build test WARNING on next-20160105]
[cannot apply to dm/for-next v4.4-rc8 v4.4-rc7 v4.4-rc6 v4.4-rc8]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/mchristi-redhat-com/separate-operations-from-flags-in-the-bio-request-structs/20160106-052858
reproduce: make htmldocs
All warnings (new ones prefixed by >>):
>> fs/buffer.c:3091: warning: No description found for parameter 'op_flags'
include/linux/jbd2.h:439: warning: No description found for parameter 'i_transaction'
include/linux/jbd2.h:439: warning: No description found for parameter 'i_next_transaction'
include/linux/jbd2.h:439: warning: No description found for parameter 'i_list'
include/linux/jbd2.h:439: warning: No description found for parameter 'i_vfs_inode'
include/linux/jbd2.h:439: warning: No description found for parameter 'i_flags'
include/linux/jbd2.h:495: warning: No description found for parameter 'h_rsv_handle'
include/linux/jbd2.h:495: warning: No description found for parameter 'h_reserved'
include/linux/jbd2.h:495: warning: No description found for parameter 'h_type'
include/linux/jbd2.h:495: warning: No description found for parameter 'h_line_no'
include/linux/jbd2.h:495: warning: No description found for parameter 'h_start_jiffies'
include/linux/jbd2.h:495: warning: No description found for parameter 'h_requested_credits'
include/linux/jbd2.h:495: warning: No description found for parameter 'h_lockdep_map'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_chkpt_bhs[JBD2_NR_BATCH]'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_devname[BDEVNAME_SIZE+24]'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_average_commit_time'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_min_batch_time'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_max_batch_time'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_commit_callback'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_failed_commit'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_chksum_driver'
include/linux/jbd2.h:1038: warning: No description found for parameter 'j_csum_seed'
include/linux/jbd2.h:1038: warning: Excess struct/union/enum/typedef member 'j_history' description in 'journal_s'
include/linux/jbd2.h:1038: warning: Excess struct/union/enum/typedef member 'j_history_max' description in 'journal_s'
include/linux/jbd2.h:1038: warning: Excess struct/union/enum/typedef member 'j_history_cur' description in 'journal_s'
fs/jbd2/transaction.c:429: warning: No description found for parameter 'rsv_blocks'
fs/jbd2/transaction.c:429: warning: No description found for parameter 'gfp_mask'
fs/jbd2/transaction.c:429: warning: No description found for parameter 'type'
fs/jbd2/transaction.c:429: warning: No description found for parameter 'line_no'
fs/jbd2/transaction.c:505: warning: No description found for parameter 'type'
fs/jbd2/transaction.c:505: warning: No description found for parameter 'line_no'
fs/jbd2/transaction.c:635: warning: No description found for parameter 'gfp_mask'
vim +/op_flags +3091 fs/buffer.c
^1da177e Linus Torvalds 2005-04-16 3075 *
^1da177e Linus Torvalds 2005-04-16 3076 * This function drops any buffer that it cannot get a lock on (with the
9cb569d6 Christoph Hellwig 2010-08-11 3077 * BH_Lock state bit), any buffer that appears to be clean when doing a write
9cb569d6 Christoph Hellwig 2010-08-11 3078 * request, and any buffer that appears to be up-to-date when doing read
9cb569d6 Christoph Hellwig 2010-08-11 3079 * request. Further it marks as clean buffers that are processed for
9cb569d6 Christoph Hellwig 2010-08-11 3080 * writing (the buffer cache won't assume that they are actually clean
9cb569d6 Christoph Hellwig 2010-08-11 3081 * until the buffer gets unlocked).
^1da177e Linus Torvalds 2005-04-16 3082 *
^1da177e Linus Torvalds 2005-04-16 3083 * ll_rw_block sets b_end_io to simple completion handler that marks
e227867f Masanari Iida 2014-02-18 3084 * the buffer up-to-date (if appropriate), unlocks the buffer and wakes
^1da177e Linus Torvalds 2005-04-16 3085 * any waiters.
^1da177e Linus Torvalds 2005-04-16 3086 *
^1da177e Linus Torvalds 2005-04-16 3087 * All of the buffers must be for the same device, and must also be a
^1da177e Linus Torvalds 2005-04-16 3088 * multiple of the current approved size for the device.
^1da177e Linus Torvalds 2005-04-16 3089 */
3390b48e Mike Christie 2016-01-05 3090 void ll_rw_block(int op, int op_flags, int nr, struct buffer_head *bhs[])
^1da177e Linus Torvalds 2005-04-16 @3091 {
^1da177e Linus Torvalds 2005-04-16 3092 int i;
^1da177e Linus Torvalds 2005-04-16 3093
^1da177e Linus Torvalds 2005-04-16 3094 for (i = 0; i < nr; i++) {
^1da177e Linus Torvalds 2005-04-16 3095 struct buffer_head *bh = bhs[i];
^1da177e Linus Torvalds 2005-04-16 3096
9cb569d6 Christoph Hellwig 2010-08-11 3097 if (!trylock_buffer(bh))
^1da177e Linus Torvalds 2005-04-16 3098 continue;
3390b48e Mike Christie 2016-01-05 3099 if (op == WRITE) {
:::::: The code at line 3091 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>
---
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