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-rw-r--r--fs/ceph/addr.c4
-rw-r--r--fs/ceph/caps.c4
-rw-r--r--fs/ceph/dir.c7
-rw-r--r--fs/ceph/mds_client.c6
-rw-r--r--fs/ceph/mon_client.c38
-rw-r--r--fs/ceph/osd_client.c6
-rw-r--r--fs/ceph/super.c106
-rw-r--r--fs/ceph/super.h8
8 files changed, 105 insertions, 74 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index c7d673ffe023..bf535815592d 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -600,8 +600,8 @@ static int ceph_writepages_start(struct address_space *mapping,
pr_warning("writepage_start %p on forced umount\n", inode);
return -EIO; /* we're in a forced umount, don't write! */
}
- if (client->mount_args.wsize && client->mount_args.wsize < wsize)
- wsize = client->mount_args.wsize;
+ if (client->mount_args->wsize && client->mount_args->wsize < wsize)
+ wsize = client->mount_args->wsize;
if (wsize < PAGE_CACHE_SIZE)
wsize = PAGE_CACHE_SIZE;
max_pages_ever = wsize >> PAGE_CACHE_SHIFT;
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 7d166182e98d..8b863dbec70c 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -270,7 +270,7 @@ static void put_cap(struct ceph_cap *cap,
* lots of free/alloc churn.
*/
if (caps_avail_count >= caps_reserve_count +
- ceph_client(cap->ci->vfs_inode.i_sb)->mount_args.max_readdir) {
+ ceph_client(cap->ci->vfs_inode.i_sb)->mount_args->max_readdir) {
caps_total_count--;
kmem_cache_free(ceph_cap_cachep, cap);
} else {
@@ -388,7 +388,7 @@ 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_args *ma = mdsc->client->mount_args;
ci->i_hold_caps_min = round_jiffies(jiffies +
ma->caps_wanted_delay_min * HZ);
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 7bb8db524e58..4f7467961b09 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -225,7 +225,7 @@ static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir)
int err;
u32 ftype;
struct ceph_mds_reply_info_parsed *rinfo;
- const int max_entries = client->mount_args.max_readdir;
+ const int max_entries = client->mount_args->max_readdir;
dout("readdir %p filp %p frag %u off %u\n", inode, filp, frag, off);
if (fi->at_end)
@@ -479,7 +479,8 @@ struct dentry *ceph_finish_lookup(struct ceph_mds_request *req,
/* .snap dir? */
if (err == -ENOENT &&
ceph_vino(parent).ino != CEPH_INO_ROOT && /* no .snap in root dir */
- strcmp(dentry->d_name.name, client->mount_args.snapdir_name) == 0) {
+ strcmp(dentry->d_name.name,
+ client->mount_args->snapdir_name) == 0) {
struct inode *inode = ceph_get_snapdir(parent);
dout("ENOENT on snapdir %p '%.*s', linking to snapdir %p\n",
dentry, dentry->d_name.len, dentry->d_name.name, inode);
@@ -550,7 +551,7 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
spin_lock(&dir->i_lock);
dout(" dir %p flags are %d\n", dir, ci->i_ceph_flags);
if (strncmp(dentry->d_name.name,
- client->mount_args.snapdir_name,
+ client->mount_args->snapdir_name,
dentry->d_name.len) &&
(ci->i_ceph_flags & CEPH_I_COMPLETE) &&
(__ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1))) {
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 12d66c0572ac..210cb6623ea2 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -943,7 +943,7 @@ static int add_cap_releases(struct ceph_mds_client *mdsc,
int err = -ENOMEM;
if (extra < 0)
- extra = mdsc->client->mount_args.cap_release_safety;
+ extra = mdsc->client->mount_args->cap_release_safety;
spin_lock(&session->s_cap_lock);
@@ -2601,7 +2601,7 @@ static void wait_requests(struct ceph_mds_client *mdsc)
mutex_unlock(&mdsc->mutex);
dout("wait_requests waiting for requests\n");
wait_for_completion_timeout(&mdsc->safe_umount_waiters,
- client->mount_args.mount_timeout * HZ);
+ client->mount_args->mount_timeout * HZ);
mutex_lock(&mdsc->mutex);
/* tear down remaining requests */
@@ -2693,7 +2693,7 @@ void ceph_mdsc_close_sessions(struct ceph_mds_client *mdsc)
int i;
int n;
struct ceph_client *client = mdsc->client;
- unsigned long started, timeout = client->mount_args.mount_timeout * HZ;
+ unsigned long started, timeout = client->mount_args->mount_timeout * HZ;
dout("close_sessions\n");
diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
index e6e954cac6b9..61263c99c6a8 100644
--- a/fs/ceph/mon_client.c
+++ b/fs/ceph/mon_client.c
@@ -527,6 +527,40 @@ static void delayed_work(struct work_struct *work)
mutex_unlock(&monc->mutex);
}
+/*
+ * On startup, we build a temporary monmap populated with the IPs
+ * provided by mount(2).
+ */
+static int build_initial_monmap(struct ceph_mon_client *monc)
+{
+ struct ceph_mount_args *args = monc->client->mount_args;
+ struct ceph_entity_addr *mon_addr = args->mon_addr;
+ int num_mon = args->num_mon;
+ int i;
+
+ /* build initial monmap */
+ monc->monmap = kzalloc(sizeof(*monc->monmap) +
+ num_mon*sizeof(monc->monmap->mon_inst[0]),
+ GFP_KERNEL);
+ if (!monc->monmap)
+ return -ENOMEM;
+ for (i = 0; i < num_mon; i++) {
+ monc->monmap->mon_inst[i].addr = mon_addr[i];
+ monc->monmap->mon_inst[i].addr.erank = 0;
+ monc->monmap->mon_inst[i].addr.nonce = 0;
+ monc->monmap->mon_inst[i].name.type =
+ CEPH_ENTITY_TYPE_MON;
+ monc->monmap->mon_inst[i].name.num = cpu_to_le64(i);
+ }
+ monc->monmap->num_mon = num_mon;
+
+ /* release addr memory */
+ kfree(args->mon_addr);
+ args->mon_addr = NULL;
+ args->num_mon = 0;
+ return 0;
+}
+
int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
{
int err = 0;
@@ -537,6 +571,10 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
monc->monmap = NULL;
mutex_init(&monc->mutex);
+ err = build_initial_monmap(monc);
+ if (err)
+ goto out;
+
monc->con = NULL;
/* msg pools */
diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
index 0a254054a82a..7dc0f6299a52 100644
--- a/fs/ceph/osd_client.c
+++ b/fs/ceph/osd_client.c
@@ -444,7 +444,7 @@ static void register_request(struct ceph_osd_client *osdc,
osdc->num_requests++;
req->r_timeout_stamp =
- jiffies + osdc->client->mount_args.osd_timeout*HZ;
+ jiffies + osdc->client->mount_args->osd_timeout*HZ;
if (osdc->num_requests == 1) {
osdc->timeout_tid = req->r_tid;
@@ -609,7 +609,7 @@ static int __send_request(struct ceph_osd_client *osdc,
reqhead->flags |= cpu_to_le32(req->r_flags); /* e.g., RETRY */
reqhead->reassert_version = req->r_reassert_version;
- req->r_timeout_stamp = jiffies+osdc->client->mount_args.osd_timeout*HZ;
+ req->r_timeout_stamp = jiffies+osdc->client->mount_args->osd_timeout*HZ;
ceph_msg_get(req->r_request); /* send consumes a ref */
ceph_con_send(&req->r_osd->o_con, req->r_request);
@@ -632,7 +632,7 @@ static void handle_timeout(struct work_struct *work)
container_of(work, struct ceph_osd_client, timeout_work.work);
struct ceph_osd_request *req;
struct ceph_osd *osd;
- unsigned long timeout = osdc->client->mount_args.osd_timeout * HZ;
+ unsigned long timeout = osdc->client->mount_args->osd_timeout * HZ;
unsigned long next_timeout = timeout + jiffies;
struct rb_node *p;
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index b094f5003ef8..9b7815dfc035 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -110,7 +110,7 @@ static int ceph_syncfs(struct super_block *sb, int wait)
static int ceph_show_options(struct seq_file *m, struct vfsmount *mnt)
{
struct ceph_client *client = ceph_sb_to_client(mnt->mnt_sb);
- struct ceph_mount_args *args = &client->mount_args;
+ struct ceph_mount_args *args = client->mount_args;
if (args->flags & CEPH_OPT_FSID)
seq_printf(m, ",fsidmajor=%llu,fsidminor%llu",
@@ -307,24 +307,24 @@ static match_table_t arg_tokens = {
};
-static int parse_mount_args(struct ceph_client *client,
- int flags, char *options, const char *dev_name,
- const char **path)
+static struct ceph_mount_args *parse_mount_args(int flags, char *options,
+ const char *dev_name,
+ const char **path)
{
- struct ceph_mount_args *args = &client->mount_args;
+ struct ceph_mount_args *args;
const char *c;
- int err;
+ int err = -ENOMEM;
substring_t argstr[MAX_OPT_ARGS];
- int num_mon;
- struct ceph_entity_addr *mon_addr;
- int i;
- dout("parse_mount_args dev_name '%s'\n", dev_name);
- memset(args, 0, sizeof(*args));
+ args = kzalloc(sizeof(*args), GFP_KERNEL);
+ if (!args)
+ return ERR_PTR(-ENOMEM);
+ args->mon_addr = kcalloc(CEPH_MAX_MON, sizeof(*args->mon_addr),
+ GFP_KERNEL);
+ if (!args->mon_addr)
+ goto out;
- mon_addr = kcalloc(CEPH_MAX_MON, sizeof(*mon_addr), GFP_KERNEL);
- if (!mon_addr)
- return -ENOMEM;
+ dout("parse_mount_args %p, dev_name '%s'\n", args, dev_name);
/* start with defaults */
args->sb_flags = flags;
@@ -350,29 +350,11 @@ static int parse_mount_args(struct ceph_client *client,
}
/* get mon ip(s) */
- err = ceph_parse_ips(dev_name, *path, mon_addr,
- CEPH_MAX_MON, &num_mon);
+ err = ceph_parse_ips(dev_name, *path, args->mon_addr,
+ CEPH_MAX_MON, &args->num_mon);
if (err < 0)
goto out;
- /* build initial monmap */
- err = -ENOMEM;
- client->monc.monmap = kzalloc(sizeof(*client->monc.monmap) +
- num_mon*sizeof(client->monc.monmap->mon_inst[0]),
- GFP_KERNEL);
- if (!client->monc.monmap)
- goto out;
- for (i = 0; i < num_mon; i++) {
- client->monc.monmap->mon_inst[i].addr = mon_addr[i];
- client->monc.monmap->mon_inst[i].addr.erank = 0;
- client->monc.monmap->mon_inst[i].addr.nonce = 0;
- client->monc.monmap->mon_inst[i].name.type =
- CEPH_ENTITY_TYPE_MON;
- client->monc.monmap->mon_inst[i].name.num = cpu_to_le64(i);
- }
- client->monc.monmap->num_mon = num_mon;
- memset(&args->my_addr.in_addr, 0, sizeof(args->my_addr.in_addr));
-
/* path on server */
*path += 2;
dout("server path '%s'\n", *path);
@@ -415,7 +397,7 @@ static int parse_mount_args(struct ceph_client *client,
&args->my_addr,
1, NULL);
if (err < 0)
- return err;
+ goto out;
args->flags |= CEPH_OPT_MYIP;
break;
@@ -481,25 +463,28 @@ static int parse_mount_args(struct ceph_client *client,
BUG_ON(token);
}
}
- err = 0;
+ return args;
out:
- kfree(mon_addr);
- return err;
+ kfree(args->mon_addr);
+ kfree(args);
+ return ERR_PTR(err);
}
-static void release_mount_args(struct ceph_mount_args *args)
+static void destroy_mount_args(struct ceph_mount_args *args)
{
+ dout("destroy_mount_args %p\n", args);
kfree(args->snapdir_name);
args->snapdir_name = NULL;
kfree(args->secret);
args->secret = NULL;
+ kfree(args);
}
/*
* create a fresh client instance
*/
-static struct ceph_client *ceph_create_client(void)
+static struct ceph_client *ceph_create_client(struct ceph_mount_args *args)
{
struct ceph_client *client;
int err = -ENOMEM;
@@ -515,6 +500,7 @@ static struct ceph_client *ceph_create_client(void)
client->sb = NULL;
client->mount_state = CEPH_MOUNT_MOUNTING;
client->whoami = -1;
+ client->mount_args = args;
client->msgr = NULL;
@@ -577,7 +563,7 @@ static void ceph_destroy_client(struct ceph_client *client)
if (client->wb_pagevec_pool)
mempool_destroy(client->wb_pagevec_pool);
- release_mount_args(&client->mount_args);
+ destroy_mount_args(client->mount_args);
kfree(client);
dout("destroy_client %p done\n", client);
@@ -613,7 +599,7 @@ static struct dentry *open_root_dentry(struct ceph_client *client,
req->r_ino1.ino = CEPH_INO_ROOT;
req->r_ino1.snap = CEPH_NOSNAP;
req->r_started = started;
- req->r_timeout = client->mount_args.mount_timeout * HZ;
+ req->r_timeout = client->mount_args->mount_timeout * HZ;
req->r_args.getattr.mask = cpu_to_le32(CEPH_STAT_CAP_INODE);
req->r_num_caps = 2;
err = ceph_mdsc_do_request(mdsc, NULL, req);
@@ -641,7 +627,7 @@ static int ceph_mount(struct ceph_client *client, struct vfsmount *mnt,
{
struct ceph_entity_addr *myaddr = NULL;
int err;
- unsigned long timeout = client->mount_args.mount_timeout * HZ;
+ unsigned long timeout = client->mount_args->mount_timeout * HZ;
unsigned long started = jiffies; /* note the start time */
struct dentry *root;
@@ -651,7 +637,7 @@ static int ceph_mount(struct ceph_client *client, struct vfsmount *mnt,
/* initialize the messenger */
if (client->msgr == NULL) {
if (ceph_test_opt(client, MYIP))
- myaddr = &client->mount_args.my_addr;
+ myaddr = &client->mount_args->my_addr;
client->msgr = ceph_messenger_create(myaddr);
if (IS_ERR(client->msgr)) {
err = PTR_ERR(client->msgr);
@@ -727,7 +713,7 @@ static int ceph_set_super(struct super_block *s, void *data)
dout("set_super %p data %p\n", s, data);
- s->s_flags = client->mount_args.sb_flags;
+ s->s_flags = client->mount_args->sb_flags;
s->s_maxbytes = 1ULL << 40; /* temp value until we get mdsmap */
s->s_fs_info = client;
@@ -756,7 +742,7 @@ fail:
static int ceph_compare_super(struct super_block *sb, void *data)
{
struct ceph_client *new = data;
- struct ceph_mount_args *args = &new->mount_args;
+ struct ceph_mount_args *args = new->mount_args;
struct ceph_client *other = ceph_sb_to_client(sb);
int i;
@@ -778,7 +764,7 @@ static int ceph_compare_super(struct super_block *sb, void *data)
}
dout("mon ip matches existing sb %p\n", sb);
}
- if (args->sb_flags != other->mount_args.sb_flags) {
+ if (args->sb_flags != other->mount_args->sb_flags) {
dout("flags differ\n");
return 0;
}
@@ -798,9 +784,9 @@ static int ceph_init_bdi(struct super_block *sb, struct ceph_client *client)
sb->s_bdi = &client->backing_dev_info;
/* set ra_pages based on rsize mount option? */
- if (client->mount_args.rsize >= PAGE_CACHE_SIZE)
+ if (client->mount_args->rsize >= PAGE_CACHE_SIZE)
client->backing_dev_info.ra_pages =
- (client->mount_args.rsize + PAGE_CACHE_SIZE - 1)
+ (client->mount_args->rsize + PAGE_CACHE_SIZE - 1)
>> PAGE_SHIFT;
err = bdi_register_dev(&client->backing_dev_info, sb->s_dev);
@@ -816,19 +802,23 @@ static int ceph_get_sb(struct file_system_type *fs_type,
int err;
int (*compare_super)(struct super_block *, void *) = ceph_compare_super;
const char *path = 0;
+ struct ceph_mount_args *args;
dout("ceph_get_sb\n");
+ args = parse_mount_args(flags, data, dev_name, &path);
+ if (IS_ERR(args)) {
+ err = PTR_ERR(args);
+ goto out_final;
+ }
/* create client (which we may/may not use) */
- client = ceph_create_client();
- if (IS_ERR(client))
- return PTR_ERR(client);
-
- err = parse_mount_args(client, flags, data, dev_name, &path);
- if (err < 0)
- goto out;
+ client = ceph_create_client(args);
+ if (IS_ERR(client)) {
+ err = PTR_ERR(client);
+ goto out_final;
+ }
- if (client->mount_args.flags & CEPH_OPT_NOSHARE)
+ if (client->mount_args->flags & CEPH_OPT_NOSHARE)
compare_super = NULL;
sb = sget(fs_type, compare_super, ceph_set_super, client);
if (IS_ERR(sb)) {
@@ -846,7 +836,7 @@ static int ceph_get_sb(struct file_system_type *fs_type,
/* set up mempools */
err = -ENOMEM;
client->wb_pagevec_pool = mempool_create_kmalloc_pool(10,
- client->mount_args.wsize >> PAGE_CACHE_SHIFT);
+ client->mount_args->wsize >> PAGE_CACHE_SHIFT);
if (!client->wb_pagevec_pool)
goto out_splat;
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 3af42d9097ec..a3d4943581d0 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -42,13 +42,15 @@
#define CEPH_OPT_DEFAULT (CEPH_OPT_RBYTES)
#define ceph_set_opt(client, opt) \
- (client)->mount_args.flags |= CEPH_OPT_##opt;
+ (client)->mount_args->flags |= CEPH_OPT_##opt;
#define ceph_test_opt(client, opt) \
- (!!((client)->mount_args.flags & CEPH_OPT_##opt))
+ (!!((client)->mount_args->flags & CEPH_OPT_##opt))
struct ceph_mount_args {
int sb_flags;
+ int num_mon;
+ struct ceph_entity_addr *mon_addr;
int flags;
int mount_timeout;
int caps_wanted_delay_min, caps_wanted_delay_max;
@@ -115,7 +117,7 @@ struct ceph_client {
struct dentry *debugfs_dir, *debugfs_dentry_lru, *debugfs_caps;
struct mutex mount_mutex; /* serialize mount attempts */
- struct ceph_mount_args mount_args;
+ struct ceph_mount_args *mount_args;
struct ceph_fsid fsid;
struct super_block *sb;
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