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Message-ID: <20140526152845.GA23116@localhost.localdomain> Date: Mon, 26 May 2014 12:28:46 -0300 From: Carlos Maiolino <cmaiolino@...hat.com> To: Eric Sandeen <sandeen@...hat.com> Cc: ext4 development <linux-ext4@...r.kernel.org> Subject: Re: [PATCH] jbd2: prefix printks with JBD2: not JBD: I really thought we had already fixed it. The patch looks good too, consider it Reviewed-by: Carlos Maiolino <cmaiolino@...hat.com> Cheers o/ On Wed, May 07, 2014 at 11:54:04AM -0500, Eric Sandeen wrote: > I was looking at some debugging logs from a test on ext4, > and wondered why I saw messages from JBD: not JBD2: > > This is why! Probably worth changing for consistency. > > Signed-off-by: Eric Sandeen <sandeen@...hat.com> > --- > > diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c > index 5203264..de35b53 100644 > --- a/fs/jbd2/journal.c > +++ b/fs/jbd2/journal.c > @@ -1527,13 +1527,13 @@ static int journal_get_superblock(journal_t *journal) > if (JBD2_HAS_COMPAT_FEATURE(journal, JBD2_FEATURE_COMPAT_CHECKSUM) && > JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V2)) { > /* Can't have checksum v1 and v2 on at the same time! */ > - printk(KERN_ERR "JBD: Can't enable checksumming v1 and v2 " > + printk(KERN_ERR "JBD2: Can't enable checksumming v1 and v2 " > "at the same time!\n"); > goto out; > } > > if (!jbd2_verify_csum_type(journal, sb)) { > - printk(KERN_ERR "JBD: Unknown checksum type\n"); > + printk(KERN_ERR "JBD2: Unknown checksum type\n"); > goto out; > } > > @@ -1541,7 +1541,7 @@ static int journal_get_superblock(journal_t *journal) > if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V2)) { > journal->j_chksum_driver = crypto_alloc_shash("crc32c", 0, 0); > if (IS_ERR(journal->j_chksum_driver)) { > - printk(KERN_ERR "JBD: Cannot load crc32c driver.\n"); > + printk(KERN_ERR "JBD2: Cannot load crc32c driver.\n"); > err = PTR_ERR(journal->j_chksum_driver); > journal->j_chksum_driver = NULL; > goto out; > @@ -1550,7 +1550,7 @@ static int journal_get_superblock(journal_t *journal) > > /* Check superblock checksum */ > if (!jbd2_superblock_csum_verify(journal, sb)) { > - printk(KERN_ERR "JBD: journal checksum error\n"); > + printk(KERN_ERR "JBD2: journal checksum error\n"); > goto out; > } > > @@ -1836,7 +1836,7 @@ int jbd2_journal_set_features (journal_t *journal, unsigned long compat, > journal->j_chksum_driver = crypto_alloc_shash("crc32c", > 0, 0); > if (IS_ERR(journal->j_chksum_driver)) { > - printk(KERN_ERR "JBD: Cannot load crc32c " > + printk(KERN_ERR "JBD2: Cannot load crc32c " > "driver.\n"); > journal->j_chksum_driver = NULL; > return 0; > diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c > index 3929c50..3b6bb19 100644 > --- a/fs/jbd2/recovery.c > +++ b/fs/jbd2/recovery.c > @@ -594,7 +594,7 @@ static int do_one_pass(journal_t *journal, > be32_to_cpu(tmp->h_sequence))) { > brelse(obh); > success = -EIO; > - printk(KERN_ERR "JBD: Invalid " > + printk(KERN_ERR "JBD2: Invalid " > "checksum recovering " > "block %llu in log\n", > blocknr); > diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c > index 7aa9a32..68ebfe1 100644 > --- a/fs/jbd2/transaction.c > +++ b/fs/jbd2/transaction.c > @@ -1305,7 +1305,7 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh) > JBUFFER_TRACE(jh, "fastpath"); > if (unlikely(jh->b_transaction != > journal->j_running_transaction)) { > - printk(KERN_EMERG "JBD: %s: " > + printk(KERN_EMERG "JBD2: %s: " > "jh->b_transaction (%llu, %p, %u) != " > "journal->j_running_transaction (%p, %u)", > journal->j_devname, > @@ -1332,7 +1332,7 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh) > JBUFFER_TRACE(jh, "already on other transaction"); > if (unlikely(jh->b_transaction != > journal->j_committing_transaction)) { > - printk(KERN_EMERG "JBD: %s: " > + printk(KERN_EMERG "JBD2: %s: " > "jh->b_transaction (%llu, %p, %u) != " > "journal->j_committing_transaction (%p, %u)", > journal->j_devname, > @@ -1345,7 +1345,7 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh) > ret = -EINVAL; > } > if (unlikely(jh->b_next_transaction != transaction)) { > - printk(KERN_EMERG "JBD: %s: " > + printk(KERN_EMERG "JBD2: %s: " > "jh->b_next_transaction (%llu, %p, %u) != " > "transaction (%p, %u)", > journal->j_devname, > > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Carlos -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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