Commit 8fa97655 authored by Sage Weil's avatar Sage Weil
Browse files

ceph: enable readahead 



Initialized bdi->ra_pages to enable readahead.  Use 512KB default.

Signed-off-by: default avatarSage Weil <sage@newdream.net>
parent 76e3b390

fs/ceph/super.c

+1 −0
Original line number Diff line number Diff line
@@ -327,6 +327,7 @@ static int parse_mount_args(struct ceph_client *client, 
	args->mount_timeout = CEPH_MOUNT_TIMEOUT_DEFAULT; /* seconds */

	args->caps_wanted_delay_min = CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT;

	args->caps_wanted_delay_max = CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT;

	args->rsize = CEPH_MOUNT_RSIZE_DEFAULT;

	args->snapdir_name = kstrdup(CEPH_SNAPDIRNAME_DEFAULT, GFP_KERNEL);

	args->cap_release_safety = CEPH_CAPS_PER_RELEASE * 4;

	args->max_readdir = 1024;

fs/ceph/super.h

+1 −1
Original line number Diff line number Diff line
@@ -69,7 +69,7 @@ struct ceph_mount_args { 
 * defaults

 */

#define CEPH_MOUNT_TIMEOUT_DEFAULT  60

#define CEPH_MOUNT_RSIZE_DEFAULT    (128*1024) /* readahead */

#define CEPH_MOUNT_RSIZE_DEFAULT    (512*1024) /* readahead */



#define CEPH_MSG_MAX_FRONT_LEN	(16*1024*1024)

#define CEPH_MSG_MAX_DATA_LEN	(16*1024*1024)