On Sun, May 11, 2014 at 1:06 AM, Fabian Frederick <[email protected]> wrote: > generic_file_fsync has been updated to issue a flush for > older filesystems. > > This patch tests for barrier flag in ext4 mount flags > and calls the right function. > > Suggested-by: Jan Kara <[email protected]> > Suggested-by: Christoph Hellwig <[email protected]> > Cc: Jan Kara <[email protected]> > Cc: Christoph Hellwig <[email protected]> > Cc: Alexander Viro <[email protected]> > Cc: "Theodore Ts'o" <[email protected]> > Cc: Andrew Morton <[email protected]> > Signed-off-by: Fabian Frederick <[email protected]> > --- > fs/ext4/fsync.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c > index a8bc47f..fa82c0a 100644 > --- a/fs/ext4/fsync.c > +++ b/fs/ext4/fsync.c > @@ -108,6 +108,10 @@ int ext4_sync_file(struct file *file, loff_t start, > loff_t end, int datasync) > > if (!journal) { > ret = generic_file_fsync(file, start, end, datasync);
Forget to remove above line? > + if (test_opt(inode->i_sb, BARRIER)) > + ret = generic_file_fsync(file, start, end, datasync); > + else > + ret = __generic_file_fsync(file, start, end, > datasync); > if (!ret && !hlist_empty(&inode->i_dentry)) > ret = ext4_sync_parent(inode); > goto out; Thanks, -- Ming Lei -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
