summaryrefslogtreecommitdiffstats
path: root/mm/filemap.c
diff options
context:
space:
mode:
authorDan Williams <dan.j.williams@intel.com>2016-01-29 05:25:31 +0100
committerDan Williams <dan.j.williams@intel.com>2016-01-30 22:35:32 +0100
commitd1a5f2b4d8a125943dcb6b032fc7eaefc2c78296 (patch)
treeafdd4251d10cbcf34b00bd4f33adb27996881cc6 /mm/filemap.c
parentblock: revert runtime dax control of the raw block device (diff)
downloadlinux-d1a5f2b4d8a125943dcb6b032fc7eaefc2c78296.tar.xz
linux-d1a5f2b4d8a125943dcb6b032fc7eaefc2c78296.zip
block: use DAX for partition table reads
Avoid populating pagecache when the block device is in DAX mode. Otherwise these page cache entries collide with the fsync/msync implementation and break data durability guarantees. Cc: Jan Kara <jack@suse.com> Cc: Jeff Moyer <jmoyer@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Dave Chinner <david@fromorbit.com> Cc: Andrew Morton <akpm@linux-foundation.org> Reported-by: Ross Zwisler <ross.zwisler@linux.intel.com> Tested-by: Ross Zwisler <ross.zwisler@linux.intel.com> Reviewed-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'mm/filemap.c')
0 files changed, 0 insertions, 0 deletions