Dan Williams 8cf037a8b2 ext2: perform dax_device lookup at mount ...

The ->iomap_begin() operation is a hot path, so cache the
fs_dax_get_by_host() result at mount time to avoid the incurring the
hash lookup overhead on a per-i/o basis.

Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
Reviewed-by: Jan Kara <jack@suse.cz>
Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

2017-08-31 09:33:30 -07:00

..

acl.c

ext2: preserve i_mode if ext2_set_acl() fails

2017-07-18 11:23:56 +02:00

acl.h

ext2/3/4: use generic posix ACL infrastructure

2014-01-25 23:58:19 -05:00

balloc.c

sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h>

2017-03-02 08:42:31 +01:00

dir.c

mm: drop "wait" parameter from write_one_page()

2017-07-05 18:44:22 -04:00

ext2.h

ext2: perform dax_device lookup at mount

2017-08-31 09:33:30 -07:00

file.c

fs: check for writeback errors after syncing out buffers in generic_file_fsync

2017-07-06 07:02:21 -04:00

ialloc.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2016-10-10 20:16:43 -07:00

inode.c

ext2: perform dax_device lookup at mount

2017-08-31 09:33:30 -07:00

ioctl.c

ext2: Remove ext2_get_inode_flags()

2017-04-19 14:21:23 +02:00

Kconfig

dax: fix build warnings with FS_DAX and !FS_IOMAP

2017-01-24 16:26:14 -08:00

Makefile

ext2: remove xip.c and xip.h

2015-02-16 17:56:03 -08:00

namei.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2016-10-10 20:16:43 -07:00

super.c

ext2: perform dax_device lookup at mount

2017-08-31 09:33:30 -07:00

symlink.c

vfs: remove ".readlink = generic_readlink" assignments

2016-12-09 16:45:04 +01:00

xattr_security.c

switch xattr_handler->set() to passing dentry and inode separately

2016-05-27 15:39:43 -04:00

xattr_trusted.c

switch xattr_handler->set() to passing dentry and inode separately

2016-05-27 15:39:43 -04:00

xattr_user.c

switch xattr_handler->set() to passing dentry and inode separately

2016-05-27 15:39:43 -04:00

xattr.c

ext2, ext4: make mb block cache names more explicit

2017-06-22 11:28:55 -04:00

xattr.h

mbcache2: rename to mbcache

2016-02-22 22:35:22 -05:00