A miscellaneous set of patches to improve DAX. All are independent of
each other.
I dropped the DAX mmap support for block devices; I started trying
to put in a sysfs toggle and ran into some difficulties, so just drop
that part of the patch for now. There's no problem (that I know of)
with the read()/write() portion of the patch.
I fixed up the conflict between Dave Chinner's changes to ext4 and mine.
I forgot the 'bdev_direct_access() may sleep' patch in the previous
submission.
Matthew Wilcox (6):
dax: Add block size note to documentation
dax: Use copy_from_iter_nocache
ext4: Use ext4_get_block_write() for DAX
vfs: Allow truncate, chomd and chown to be interrupted by fatal
signals
block: Add support for DAX reads/writes to block devices
dax: bdev_direct_access() may sleep
Documentation/filesystems/dax.txt | 6 ++++--
fs/block_dev.c | 10 ++++++++++
fs/dax.c | 8 +++++---
fs/ext4/file.c | 8 ++++----
fs/open.c | 9 ++++++---
5 files changed, 29 insertions(+), 12 deletions(-)
--
2.1.4
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