]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commit
ext4: add ext4_get_block_dax()
authorMatthew Wilcox <willy@linux.intel.com>
Tue, 8 Sep 2015 21:59:20 +0000 (14:59 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 8 Sep 2015 22:35:28 +0000 (15:35 -0700)
commited923b5776a2d2e949bd5b20f3956d68f3c826b7
treeb3d101eb5cbeedc8ed057a2e70ff3ce30a165cbb
parent84c4e5e675408b6fb7d74eec7da9a4a5698b50af
ext4: add ext4_get_block_dax()

DAX wants different semantics from any currently-existing ext4 get_block
callback.  Unlike ext4_get_block_write(), it needs to honour the
'create' flag, and unlike ext4_get_block(), it needs to be able to
return unwritten extents.  So introduce a new ext4_get_block_dax() which
has those semantics.

We could also change ext4_get_block_write() to honour the 'create' flag,
but that might have consequences on other users that I do not currently
understand.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/ext4/ext4.h
fs/ext4/file.c
fs/ext4/inode.c