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authorYehuda Sadeh <yehuda@hq.newdream.net>2010-04-06 15:14:15 -0700
committerSage Weil <sage@newdream.net>2010-10-20 15:37:28 -0700
commit3d14c5d2b6e15c21d8e5467dc62d33127c23a644 (patch)
tree7d123c47847df9d1e865b6b78dc7da3fe739b704 /fs/ceph/caps.c
parentae1533b62b3369e6ae32338f4a77d64d0e88f676 (diff)
ceph: factor out libceph from Ceph file system
This factors out protocol and low-level storage parts of ceph into a separate libceph module living in net/ceph and include/linux/ceph. This is mostly a matter of moving files around. However, a few key pieces of the interface change as well: - ceph_client becomes ceph_fs_client and ceph_client, where the latter captures the mon and osd clients, and the fs_client gets the mds client and file system specific pieces. - Mount option parsing and debugfs setup is correspondingly broken into two pieces. - The mon client gets a generic handler callback for otherwise unknown messages (mds map, in this case). - The basic supported/required feature bits can be expanded (and are by ceph_fs_client). No functional change, aside from some subtle error handling cases that got cleaned up in the refactoring process. Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph/caps.c')
-rw-r--r--fs/ceph/caps.c35
1 files changed, 18 insertions, 17 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 5e9da996a151..3cff67cbb9c0 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -1,4 +1,4 @@
-#include "ceph_debug.h"
+#include <linux/ceph/ceph_debug.h>
#include <linux/fs.h>
#include <linux/kernel.h>
@@ -9,8 +9,9 @@
#include <linux/writeback.h>
#include "super.h"
-#include "decode.h"
-#include "messenger.h"
+#include "mds_client.h"
+#include <linux/ceph/decode.h>
+#include <linux/ceph/messenger.h>
/*
* Capability management
@@ -287,11 +288,11 @@ void ceph_put_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap)
spin_unlock(&mdsc->caps_list_lock);
}
-void ceph_reservation_status(struct ceph_client *client,
+void ceph_reservation_status(struct ceph_fs_client *fsc,
int *total, int *avail, int *used, int *reserved,
int *min)
{
- struct ceph_mds_client *mdsc = &client->mdsc;
+ struct ceph_mds_client *mdsc = fsc->mdsc;
if (total)
*total = mdsc->caps_total_count;
@@ -399,7 +400,7 @@ static void __insert_cap_node(struct ceph_inode_info *ci,
static void __cap_set_timeouts(struct ceph_mds_client *mdsc,
struct ceph_inode_info *ci)
{
- struct ceph_mount_args *ma = mdsc->client->mount_args;
+ struct ceph_mount_options *ma = mdsc->fsc->mount_options;
ci->i_hold_caps_min = round_jiffies(jiffies +
ma->caps_wanted_delay_min * HZ);
@@ -515,7 +516,7 @@ int ceph_add_cap(struct inode *inode,
unsigned seq, unsigned mseq, u64 realmino, int flags,
struct ceph_cap_reservation *caps_reservation)
{
- struct ceph_mds_client *mdsc = &ceph_inode_to_client(inode)->mdsc;
+ struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_cap *new_cap = NULL;
struct ceph_cap *cap;
@@ -873,7 +874,7 @@ void __ceph_remove_cap(struct ceph_cap *cap)
struct ceph_mds_session *session = cap->session;
struct ceph_inode_info *ci = cap->ci;
struct ceph_mds_client *mdsc =
- &ceph_sb_to_client(ci->vfs_inode.i_sb)->mdsc;
+ ceph_sb_to_client(ci->vfs_inode.i_sb)->mdsc;
int removed = 0;
dout("__ceph_remove_cap %p from %p\n", cap, &ci->vfs_inode);
@@ -1210,7 +1211,7 @@ void __ceph_flush_snaps(struct ceph_inode_info *ci,
int mds;
struct ceph_cap_snap *capsnap;
u32 mseq;
- struct ceph_mds_client *mdsc = &ceph_inode_to_client(inode)->mdsc;
+ struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
struct ceph_mds_session *session = NULL; /* if session != NULL, we hold
session->s_mutex */
u64 next_follows = 0; /* keep track of how far we've gotten through the
@@ -1336,7 +1337,7 @@ static void ceph_flush_snaps(struct ceph_inode_info *ci)
void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask)
{
struct ceph_mds_client *mdsc =
- &ceph_sb_to_client(ci->vfs_inode.i_sb)->mdsc;
+ ceph_sb_to_client(ci->vfs_inode.i_sb)->mdsc;
struct inode *inode = &ci->vfs_inode;
int was = ci->i_dirty_caps;
int dirty = 0;
@@ -1378,7 +1379,7 @@ void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask)
static int __mark_caps_flushing(struct inode *inode,
struct ceph_mds_session *session)
{
- struct ceph_mds_client *mdsc = &ceph_sb_to_client(inode->i_sb)->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
struct ceph_inode_info *ci = ceph_inode(inode);
int flushing;
@@ -1462,8 +1463,8 @@ static int try_nonblocking_invalidate(struct inode *inode)
void ceph_check_caps(struct ceph_inode_info *ci, int flags,
struct ceph_mds_session *session)
{
- struct ceph_client *client = ceph_inode_to_client(&ci->vfs_inode);
- struct ceph_mds_client *mdsc = &client->mdsc;
+ struct ceph_fs_client *fsc = ceph_inode_to_client(&ci->vfs_inode);
+ struct ceph_mds_client *mdsc = fsc->mdsc;
struct inode *inode = &ci->vfs_inode;
struct ceph_cap *cap;
int file_wanted, used;
@@ -1706,7 +1707,7 @@ ack:
static int try_flush_caps(struct inode *inode, struct ceph_mds_session *session,
unsigned *flush_tid)
{
- struct ceph_mds_client *mdsc = &ceph_sb_to_client(inode->i_sb)->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
struct ceph_inode_info *ci = ceph_inode(inode);
int unlock_session = session ? 0 : 1;
int flushing = 0;
@@ -1872,7 +1873,7 @@ int ceph_write_inode(struct inode *inode, struct writeback_control *wbc)
caps_are_flushed(inode, flush_tid));
} else {
struct ceph_mds_client *mdsc =
- &ceph_sb_to_client(inode->i_sb)->mdsc;
+ ceph_sb_to_client(inode->i_sb)->mdsc;
spin_lock(&inode->i_lock);
if (__ceph_caps_dirty(ci))
@@ -2465,7 +2466,7 @@ static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid,
__releases(inode->i_lock)
{
struct ceph_inode_info *ci = ceph_inode(inode);
- struct ceph_mds_client *mdsc = &ceph_sb_to_client(inode->i_sb)->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
unsigned seq = le32_to_cpu(m->seq);
int dirty = le32_to_cpu(m->dirty);
int cleaned = 0;
@@ -2713,7 +2714,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
struct ceph_msg *msg)
{
struct ceph_mds_client *mdsc = session->s_mdsc;
- struct super_block *sb = mdsc->client->sb;
+ struct super_block *sb = mdsc->fsc->sb;
struct inode *inode;
struct ceph_cap *cap;
struct ceph_mds_caps *h;