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-rw-r--r--fs/ceph/addr.c9
-rw-r--r--fs/ceph/inode.c1
-rw-r--r--fs/ceph/mds_client.c1
-rw-r--r--fs/ceph/super.c50
4 files changed, 27 insertions, 34 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 4aa8577..561438b 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -591,7 +591,6 @@ static int ceph_writepages_start(struct address_space *mapping,
struct writeback_control *wbc)
{
struct inode *inode = mapping->host;
- struct backing_dev_info *bdi = mapping->backing_dev_info;
struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_fs_client *fsc;
pgoff_t index, start, end;
@@ -633,13 +632,6 @@ static int ceph_writepages_start(struct address_space *mapping,
pagevec_init(&pvec, 0);
- /* ?? */
- if (wbc->nonblocking && bdi_write_congested(bdi)) {
- dout(" writepages congested\n");
- wbc->encountered_congestion = 1;
- goto out_final;
- }
-
/* where to start/end? */
if (wbc->range_cyclic) {
start = mapping->writeback_index; /* Start from prev offset */
@@ -885,7 +877,6 @@ out:
rc = 0; /* vfs expects us to return 0 */
ceph_put_snap_context(snapc);
dout("writepages done, rc = %d\n", rc);
-out_final:
return rc;
}
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 8153ee5..bf12865 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -2,7 +2,6 @@
#include <linux/module.h>
#include <linux/fs.h>
-#include <linux/smp_lock.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/uaccess.h>
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index d22fbbe..098b185 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -6,7 +6,6 @@
#include <linux/sched.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
-#include <linux/smp_lock.h>
#include "super.h"
#include "mds_client.h"
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index d6e0e04..08b460a 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -635,7 +635,7 @@ static struct dentry *open_root_dentry(struct ceph_fs_client *fsc,
/*
* mount: join the ceph cluster, and open root directory.
*/
-static int ceph_mount(struct ceph_fs_client *fsc, struct vfsmount *mnt,
+static struct dentry *ceph_real_mount(struct ceph_fs_client *fsc,
const char *path)
{
int err;
@@ -678,16 +678,14 @@ static int ceph_mount(struct ceph_fs_client *fsc, struct vfsmount *mnt,
}
}
- mnt->mnt_root = root;
- mnt->mnt_sb = fsc->sb;
-
fsc->mount_state = CEPH_MOUNT_MOUNTED;
dout("mount success\n");
- err = 0;
+ mutex_unlock(&fsc->client->mount_mutex);
+ return root;
out:
mutex_unlock(&fsc->client->mount_mutex);
- return err;
+ return ERR_PTR(err);
fail:
if (first) {
@@ -777,41 +775,45 @@ static int ceph_register_bdi(struct super_block *sb,
return err;
}
-static int ceph_get_sb(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data,
- struct vfsmount *mnt)
+static struct dentry *ceph_mount(struct file_system_type *fs_type,
+ int flags, const char *dev_name, void *data)
{
struct super_block *sb;
struct ceph_fs_client *fsc;
+ struct dentry *res;
int err;
int (*compare_super)(struct super_block *, void *) = ceph_compare_super;
const char *path = NULL;
struct ceph_mount_options *fsopt = NULL;
struct ceph_options *opt = NULL;
- dout("ceph_get_sb\n");
+ dout("ceph_mount\n");
err = parse_mount_options(&fsopt, &opt, flags, data, dev_name, &path);
- if (err < 0)
+ if (err < 0) {
+ res = ERR_PTR(err);
goto out_final;
+ }
/* create client (which we may/may not use) */
fsc = create_fs_client(fsopt, opt);
if (IS_ERR(fsc)) {
- err = PTR_ERR(fsc);
+ res = ERR_CAST(fsc);
kfree(fsopt);
kfree(opt);
goto out_final;
}
err = ceph_mdsc_init(fsc);
- if (err < 0)
+ if (err < 0) {
+ res = ERR_PTR(err);
goto out;
+ }
if (ceph_test_opt(fsc->client, NOSHARE))
compare_super = NULL;
sb = sget(fs_type, compare_super, ceph_set_super, fsc);
if (IS_ERR(sb)) {
- err = PTR_ERR(sb);
+ res = ERR_CAST(sb);
goto out;
}
@@ -823,16 +825,18 @@ static int ceph_get_sb(struct file_system_type *fs_type,
} else {
dout("get_sb using new client %p\n", fsc);
err = ceph_register_bdi(sb, fsc);
- if (err < 0)
+ if (err < 0) {
+ res = ERR_PTR(err);
goto out_splat;
+ }
}
- err = ceph_mount(fsc, mnt, path);
- if (err < 0)
+ res = ceph_real_mount(fsc, path);
+ if (IS_ERR(res))
goto out_splat;
- dout("root %p inode %p ino %llx.%llx\n", mnt->mnt_root,
- mnt->mnt_root->d_inode, ceph_vinop(mnt->mnt_root->d_inode));
- return 0;
+ dout("root %p inode %p ino %llx.%llx\n", res,
+ res->d_inode, ceph_vinop(res->d_inode));
+ return res;
out_splat:
ceph_mdsc_close_sessions(fsc->mdsc);
@@ -843,8 +847,8 @@ out:
ceph_mdsc_destroy(fsc);
destroy_fs_client(fsc);
out_final:
- dout("ceph_get_sb fail %d\n", err);
- return err;
+ dout("ceph_mount fail %ld\n", PTR_ERR(res));
+ return res;
}
static void ceph_kill_sb(struct super_block *s)
@@ -860,7 +864,7 @@ static void ceph_kill_sb(struct super_block *s)
static struct file_system_type ceph_fs_type = {
.owner = THIS_MODULE,
.name = "ceph",
- .get_sb = ceph_get_sb,
+ .mount = ceph_mount,
.kill_sb = ceph_kill_sb,
.fs_flags = FS_RENAME_DOES_D_MOVE,
};