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ext4: fix debug format string warning 

Using no_printk() for jbd_debug() revealed two warnings:

fs/jbd2/recovery.c: In function 'fc_do_one_pass':
fs/jbd2/recovery.c:256:30: error: format '%d' expects a matching 'int' argument [-Werror=format=]
  256 |                 jbd_debug(3, "Processing fast commit blk with seq %d");
      |                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fs/ext4/fast_commit.c: In function 'ext4_fc_replay_add_range':
fs/ext4/fast_commit.c:1732:30: error: format '%d' expects argument of type 'int', but argument 2 has type 'long unsigned int' [-Werror=format=]
 1732 |                 jbd_debug(1, "Converting from %d to %d %lld",

The first one was added incorrectly, and was also missing a few newlines
in debug output, and the second one happened when the type of an
argument changed.

Reported-by: kernel test robot <lkp@intel.com>
Fixes: d556435156 ("jbd2: avoid -Wempty-body warnings")
Fixes: 6db0746189 ("ext4: use BIT() macro for BH_** state bits")
Fixes: 5b849b5f96 ("jbd2: fast commit recovery path")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210409201211.1866633-1-arnd@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Arnd Bergmann 2021-04-09 22:12:05 +02:00 committed by Theodore Ts'o
parent 666245d9a4
commit fcdf3c34b7
2 changed files with 3 additions and 4 deletions
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2
fs/ext4/fast_commit.c
View File

@ -1736,7 +1736,7 @@ static int ext4_fc_replay_add_range(struct super_block *sb,
}
/* Range is mapped and needs a state change */
jbd_debug(1, "Converting from %d to %d %lld",
jbd_debug(1, "Converting from %ld to %d %lld",
map.m_flags & EXT4_MAP_UNWRITTEN,
ext4_ext_is_unwritten(ex), map.m_pblk);
ret = ext4_ext_replay_update_ex(inode, cur, map.m_len,

5
fs/jbd2/recovery.c
View File

@ -245,15 +245,14 @@ static int fc_do_one_pass(journal_t *journal,
return 0;
while (next_fc_block <= journal->j_fc_last) {
jbd_debug(3, "Fast commit replay: next block %ld",
jbd_debug(3, "Fast commit replay: next block %ld\n",
next_fc_block);
err = jread(&bh, journal, next_fc_block);
if (err) {
jbd_debug(3, "Fast commit replay: read error");
jbd_debug(3, "Fast commit replay: read error\n");
break;
}
jbd_debug(3, "Processing fast commit blk with seq %d");
err = journal->j_fc_replay_callback(journal, bh, pass,
next_fc_block - journal->j_fc_first,
expected_commit_id);