From: Toshi Kani <toshi.kani@hpe.com>
To: jack@suse.cz, dan.j.williams@intel.com
Cc: tytso@mit.edu, adilger.kernel@dilger.ca,
linux-ext4@vger.kernel.org, linux-nvdimm@lists.01.org,
linux-kernel@vger.kernel.org, Toshi Kani <toshi.kani@hpe.com>,
stable@vger.kernel.org
Subject: [PATCH v2 1/3] ext4, dax: add ext4_bmap to ext4_dax_aops
Date: Fri, 14 Sep 2018 08:51:12 -0600 [thread overview]
Message-ID: <20180914145114.11122-2-toshi.kani@hpe.com> (raw)
In-Reply-To: <20180914145114.11122-1-toshi.kani@hpe.com>
Ext4 mount path calls .bmap to the journal inode. This currently
works for the DAX mount case because ext4_iget() always set
'ext4_da_aops' to any regular files.
In preparation to fix ext4_iget() to set 'ext4_dax_aops' for ext4
DAX files, add ext4_bmap() to 'ext4_dax_aops'. .bmap works for
DAX inodes. [1]
[1]: https://lkml.org/lkml/2018/9/12/803
Fixes: 5f0663bb4a64 ("ext4, dax: introduce ext4_dax_aops")
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Suggested-by: Jan Kara <jack@suse.cz>
Cc: Jan Kara <jack@suse.cz>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
Cc: <stable@vger.kernel.org>
---
fs/ext4/inode.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index d0dd585add6a..e4acaa980467 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3948,6 +3948,7 @@ static const struct address_space_operations ext4_dax_aops = {
.writepages = ext4_dax_writepages,
.direct_IO = noop_direct_IO,
.set_page_dirty = noop_set_page_dirty,
+ .bmap = ext4_bmap,
.invalidatepage = noop_invalidatepage,
};
next prev parent reply other threads:[~2018-09-14 14:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-14 14:51 [PATCH v2 0/3] fix sync to flush processor cache for ext2/4 DAX files Toshi Kani
2018-09-14 14:51 ` Toshi Kani [this message]
2018-09-16 1:32 ` [PATCH v2 1/3] ext4, dax: add ext4_bmap to ext4_dax_aops Theodore Y. Ts'o
2018-09-14 14:51 ` [PATCH v2 2/3] ext4, dax: set ext4_dax_aops for dax files Toshi Kani
2018-09-16 1:56 ` Theodore Y. Ts'o
2018-09-14 14:51 ` [PATCH v2 3/3] ext2, dax: set ext2_dax_aops " Toshi Kani
2018-09-17 16:37 ` Jan Kara
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