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| author | Toshi Kani <toshi.kani@hpe.com> | 2016-05-10 10:23:54 -0600 |
|---|---|---|
| committer | Vishal Verma <vishal.l.verma@intel.com> | 2016-05-17 00:44:11 -0600 |
| commit | 87eefeb4e80b1526be83e670a08d059a003b7d0e (patch) | |
| tree | a88b87b6b1b30d24fd83a61ba52510ca1d81b25f /fs/ext2 | |
| parent | 2d96afc8f70ef86c66a0b5d80c24a27d6dd13df3 (diff) | |
| download | op-kernel-dev-87eefeb4e80b1526be83e670a08d059a003b7d0e.zip op-kernel-dev-87eefeb4e80b1526be83e670a08d059a003b7d0e.tar.gz | |
ext4: Add alignment check for DAX mount
When a partition is not aligned by 4KB, mount -o dax succeeds,
but any read/write access to the filesystem fails, except for
metadata update.
Call bdev_dax_supported() to perform proper precondition checks
which includes this partition alignment check.
Reported-by: Micah Parrish <micah.parrish@hpe.com>
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
Cc: Jan Kara <jack@suse.cz>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Boaz Harrosh <boaz@plexistor.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Diffstat (limited to 'fs/ext2')
0 files changed, 0 insertions, 0 deletions
