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Date: Thu, 20 Jun 2019 15:29:24 -0600 From: Ross Zwisler <zwisler@...omium.org> To: "Theodore Ts'o" <tytso@....edu>, Ross Zwisler <zwisler@...omium.org>, linux-kernel@...r.kernel.org, Ross Zwisler <zwisler@...gle.com>, Alexander Viro <viro@...iv.linux.org.uk>, Andreas Dilger <adilger.kernel@...ger.ca>, Jan Kara <jack@...e.com>, linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-mm@...ck.org, Fletcher Woodruff <fletcherw@...gle.com>, Justin TerAvest <teravest@...gle.com>, Jan Kara <jack@...e.cz>, stable@...r.kernel.org Subject: Re: [PATCH v2 2/3] jbd2: introduce jbd2_inode dirty range scoping On Thu, Jun 20, 2019 at 3:25 PM Theodore Ts'o <tytso@....edu> wrote: > On Thu, Jun 20, 2019 at 09:18:38AM -0600, Ross Zwisler wrote: > > diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h > > index 5c04181b7c6d8..0e0393e7f41a4 100644 > > --- a/include/linux/jbd2.h > > +++ b/include/linux/jbd2.h > > @@ -1397,6 +1413,12 @@ extern int jbd2_journal_force_commit(journal_t *); > > extern int jbd2_journal_force_commit_nested(journal_t *); > > extern int jbd2_journal_inode_add_write(handle_t *handle, struct jbd2_inode *inode); > > extern int jbd2_journal_inode_add_wait(handle_t *handle, struct jbd2_inode *inode); > > +extern int jbd2_journal_inode_ranged_write(handle_t *handle, > > + struct jbd2_inode *inode, loff_t start_byte, > > + loff_t length); > > +extern int jbd2_journal_inode_ranged_wait(handle_t *handle, > > + struct jbd2_inode *inode, loff_t start_byte, > > + loff_t length); > > extern int jbd2_journal_begin_ordered_truncate(journal_t *journal, > > struct jbd2_inode *inode, loff_t new_size); > > extern void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, struct inode *inode); > > You're adding two new functions that are called from outside the jbd2 > subsystem. To support compiling jbd2 as a module, we also need to add > EXPORT_SYMBOL declarations for these two functions. > > I'll take care of this when applying this change. Ah, yep, great catch. Thanks!
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