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-rw-r--r--fs/ceph/super.c88
1 files changed, 59 insertions, 29 deletions
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index fa87f51e38e1..9922628532b2 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -2,6 +2,7 @@
#include "ceph_debug.h"
#include <linux/backing-dev.h>
+#include <linux/ctype.h>
#include <linux/fs.h>
#include <linux/inet.h>
#include <linux/in6.h>
@@ -101,12 +102,21 @@ static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf)
}
-static int ceph_syncfs(struct super_block *sb, int wait)
+static int ceph_sync_fs(struct super_block *sb, int wait)
{
- dout("sync_fs %d\n", wait);
+ struct ceph_client *client = ceph_sb_to_client(sb);
+
+ if (!wait) {
+ dout("sync_fs (non-blocking)\n");
+ ceph_flush_dirty_caps(&client->mdsc);
+ dout("sync_fs (non-blocking) done\n");
+ return 0;
+ }
+
+ dout("sync_fs (blocking)\n");
ceph_osdc_sync(&ceph_sb_to_client(sb)->osdc);
ceph_mdsc_sync(&ceph_sb_to_client(sb)->mdsc);
- dout("sync_fs %d done\n", wait);
+ dout("sync_fs (blocking) done\n");
return 0;
}
@@ -150,9 +160,7 @@ static int ceph_show_options(struct seq_file *m, struct vfsmount *mnt)
struct ceph_mount_args *args = client->mount_args;
if (args->flags & CEPH_OPT_FSID)
- seq_printf(m, ",fsidmajor=%llu,fsidminor%llu",
- le64_to_cpu(*(__le64 *)&args->fsid.fsid[0]),
- le64_to_cpu(*(__le64 *)&args->fsid.fsid[8]));
+ seq_printf(m, ",fsid=%pU", &args->fsid);
if (args->flags & CEPH_OPT_NOSHARE)
seq_puts(m, ",noshare");
if (args->flags & CEPH_OPT_DIRSTAT)
@@ -279,7 +287,7 @@ static const struct super_operations ceph_super_ops = {
.alloc_inode = ceph_alloc_inode,
.destroy_inode = ceph_destroy_inode,
.write_inode = ceph_write_inode,
- .sync_fs = ceph_syncfs,
+ .sync_fs = ceph_sync_fs,
.put_super = ceph_put_super,
.show_options = ceph_show_options,
.statfs = ceph_statfs,
@@ -322,9 +330,6 @@ const char *ceph_msg_type_name(int type)
* mount options
*/
enum {
- Opt_fsidmajor,
- Opt_fsidminor,
- Opt_monport,
Opt_wsize,
Opt_rsize,
Opt_osdtimeout,
@@ -339,6 +344,7 @@ enum {
Opt_congestion_kb,
Opt_last_int,
/* int args above */
+ Opt_fsid,
Opt_snapdirname,
Opt_name,
Opt_secret,
@@ -355,9 +361,6 @@ enum {
};
static match_table_t arg_tokens = {
- {Opt_fsidmajor, "fsidmajor=%ld"},
- {Opt_fsidminor, "fsidminor=%ld"},
- {Opt_monport, "monport=%d"},
{Opt_wsize, "wsize=%d"},
{Opt_rsize, "rsize=%d"},
{Opt_osdtimeout, "osdtimeout=%d"},
@@ -371,6 +374,7 @@ static match_table_t arg_tokens = {
{Opt_readdir_max_bytes, "readdir_max_bytes=%d"},
{Opt_congestion_kb, "write_congestion_kb=%d"},
/* int args above */
+ {Opt_fsid, "fsid=%s"},
{Opt_snapdirname, "snapdirname=%s"},
{Opt_name, "name=%s"},
{Opt_secret, "secret=%s"},
@@ -386,6 +390,36 @@ static match_table_t arg_tokens = {
{-1, NULL}
};
+static int parse_fsid(const char *str, struct ceph_fsid *fsid)
+{
+ int i = 0;
+ char tmp[3];
+ int err = -EINVAL;
+ int d;
+
+ dout("parse_fsid '%s'\n", str);
+ tmp[2] = 0;
+ while (*str && i < 16) {
+ if (ispunct(*str)) {
+ str++;
+ continue;
+ }
+ if (!isxdigit(str[0]) || !isxdigit(str[1]))
+ break;
+ tmp[0] = str[0];
+ tmp[1] = str[1];
+ if (sscanf(tmp, "%x", &d) < 1)
+ break;
+ fsid->fsid[i] = d & 0xff;
+ i++;
+ str += 2;
+ }
+
+ if (i == 16)
+ err = 0;
+ dout("parse_fsid ret %d got fsid %pU", err, fsid);
+ return err;
+}
static struct ceph_mount_args *parse_mount_args(int flags, char *options,
const char *dev_name,
@@ -469,12 +503,6 @@ static struct ceph_mount_args *parse_mount_args(int flags, char *options,
dout("got token %d\n", token);
}
switch (token) {
- case Opt_fsidmajor:
- *(__le64 *)&args->fsid.fsid[0] = cpu_to_le64(intval);
- break;
- case Opt_fsidminor:
- *(__le64 *)&args->fsid.fsid[8] = cpu_to_le64(intval);
- break;
case Opt_ip:
err = ceph_parse_ips(argstr[0].from,
argstr[0].to,
@@ -485,6 +513,11 @@ static struct ceph_mount_args *parse_mount_args(int flags, char *options,
args->flags |= CEPH_OPT_MYIP;
break;
+ case Opt_fsid:
+ err = parse_fsid(argstr[0].from, &args->fsid);
+ if (err == 0)
+ args->flags |= CEPH_OPT_FSID;
+ break;
case Opt_snapdirname:
kfree(args->snapdir_name);
args->snapdir_name = kstrndup(argstr[0].from,
@@ -515,6 +548,9 @@ static struct ceph_mount_args *parse_mount_args(int flags, char *options,
case Opt_osdkeepalivetimeout:
args->osd_keepalive_timeout = intval;
break;
+ case Opt_osd_idle_ttl:
+ args->osd_idle_ttl = intval;
+ break;
case Opt_mount_timeout:
args->mount_timeout = intval;
break;
@@ -630,7 +666,6 @@ static struct ceph_client *ceph_create_client(struct ceph_mount_args *args)
/* caps */
client->min_caps = args->max_readdir;
- ceph_adjust_min_caps(client->min_caps);
/* subsystems */
err = ceph_monc_init(&client->monc, client);
@@ -680,8 +715,6 @@ static void ceph_destroy_client(struct ceph_client *client)
ceph_monc_stop(&client->monc);
- ceph_adjust_min_caps(-client->min_caps);
-
ceph_debugfs_client_cleanup(client);
destroy_workqueue(client->wb_wq);
destroy_workqueue(client->pg_inv_wq);
@@ -706,13 +739,13 @@ int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid)
{
if (client->have_fsid) {
if (ceph_fsid_compare(&client->fsid, fsid)) {
- pr_err("bad fsid, had " FSID_FORMAT " got " FSID_FORMAT,
- PR_FSID(&client->fsid), PR_FSID(fsid));
+ pr_err("bad fsid, had %pU got %pU",
+ &client->fsid, fsid);
return -1;
}
} else {
- pr_info("client%lld fsid " FSID_FORMAT "\n",
- client->monc.auth->global_id, PR_FSID(fsid));
+ pr_info("client%lld fsid %pU\n", client->monc.auth->global_id,
+ fsid);
memcpy(&client->fsid, fsid, sizeof(*fsid));
ceph_debugfs_client_init(client);
client->have_fsid = true;
@@ -1043,8 +1076,6 @@ static int __init init_ceph(void)
if (ret)
goto out_msgr;
- ceph_caps_init();
-
ret = register_filesystem(&ceph_fs_type);
if (ret)
goto out_icache;
@@ -1069,7 +1100,6 @@ static void __exit exit_ceph(void)
{
dout("exit_ceph\n");
unregister_filesystem(&ceph_fs_type);
- ceph_caps_finalize();
destroy_caches();
ceph_msgr_exit();
ceph_debugfs_cleanup();
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.