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-rw-r--r--fs/ceph/super.c99
1 files changed, 57 insertions, 42 deletions
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 2d7f5a8d4a..5ec102f6b1 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -44,28 +44,29 @@ static LIST_HEAD(ceph_fsc_list);
*/
static void ceph_put_super(struct super_block *s)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(s);
+ struct ceph_fs_client *fsc = ceph_sb_to_fs_client(s);
- dout("put_super\n");
+ doutc(fsc->client, "begin\n");
ceph_fscrypt_free_dummy_policy(fsc);
ceph_mdsc_close_sessions(fsc->mdsc);
+ doutc(fsc->client, "done\n");
}
static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf)
{
- struct ceph_fs_client *fsc = ceph_inode_to_client(d_inode(dentry));
+ struct ceph_fs_client *fsc = ceph_inode_to_fs_client(d_inode(dentry));
struct ceph_mon_client *monc = &fsc->client->monc;
struct ceph_statfs st;
int i, err;
u64 data_pool;
+ doutc(fsc->client, "begin\n");
if (fsc->mdsc->mdsmap->m_num_data_pg_pools == 1) {
data_pool = fsc->mdsc->mdsmap->m_data_pg_pools[0];
} else {
data_pool = CEPH_NOPOOL;
}
- dout("statfs\n");
err = ceph_monc_do_statfs(monc, data_pool, &st);
if (err < 0)
return err;
@@ -113,24 +114,26 @@ static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf)
/* fold the fs_cluster_id into the upper bits */
buf->f_fsid.val[1] = monc->fs_cluster_id;
+ doutc(fsc->client, "done\n");
return 0;
}
static int ceph_sync_fs(struct super_block *sb, int wait)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(sb);
+ struct ceph_fs_client *fsc = ceph_sb_to_fs_client(sb);
+ struct ceph_client *cl = fsc->client;
if (!wait) {
- dout("sync_fs (non-blocking)\n");
+ doutc(cl, "(non-blocking)\n");
ceph_flush_dirty_caps(fsc->mdsc);
- dout("sync_fs (non-blocking) done\n");
+ doutc(cl, "(non-blocking) done\n");
return 0;
}
- dout("sync_fs (blocking)\n");
+ doutc(cl, "(blocking)\n");
ceph_osdc_sync(&fsc->client->osdc);
ceph_mdsc_sync(fsc->mdsc);
- dout("sync_fs (blocking) done\n");
+ doutc(cl, "(blocking) done\n");
return 0;
}
@@ -341,7 +344,7 @@ static int ceph_parse_source(struct fs_parameter *param, struct fs_context *fc)
char *dev_name = param->string, *dev_name_end;
int ret;
- dout("%s '%s'\n", __func__, dev_name);
+ dout("'%s'\n", dev_name);
if (!dev_name || !*dev_name)
return invalfc(fc, "Empty source");
@@ -413,7 +416,7 @@ static int ceph_parse_mount_param(struct fs_context *fc,
return ret;
token = fs_parse(fc, ceph_mount_parameters, param, &result);
- dout("%s fs_parse '%s' token %d\n", __func__, param->key, token);
+ dout("%s: fs_parse '%s' token %d\n",__func__, param->key, token);
if (token < 0)
return token;
@@ -684,7 +687,7 @@ static int compare_mount_options(struct ceph_mount_options *new_fsopt,
*/
static int ceph_show_options(struct seq_file *m, struct dentry *root)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(root->d_sb);
+ struct ceph_fs_client *fsc = ceph_sb_to_fs_client(root->d_sb);
struct ceph_mount_options *fsopt = fsc->mount_options;
size_t pos;
int ret;
@@ -881,7 +884,7 @@ static void flush_fs_workqueues(struct ceph_fs_client *fsc)
static void destroy_fs_client(struct ceph_fs_client *fsc)
{
- dout("destroy_fs_client %p\n", fsc);
+ doutc(fsc->client, "%p\n", fsc);
spin_lock(&ceph_fsc_lock);
list_del(&fsc->metric_wakeup);
@@ -896,7 +899,7 @@ static void destroy_fs_client(struct ceph_fs_client *fsc)
ceph_destroy_client(fsc->client);
kfree(fsc);
- dout("destroy_fs_client %p done\n", fsc);
+ dout("%s: %p done\n", __func__, fsc);
}
/*
@@ -1015,9 +1018,9 @@ static void __ceph_umount_begin(struct ceph_fs_client *fsc)
*/
void ceph_umount_begin(struct super_block *sb)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(sb);
+ struct ceph_fs_client *fsc = ceph_sb_to_fs_client(sb);
- dout("ceph_umount_begin - starting forced umount\n");
+ doutc(fsc->client, "starting forced umount\n");
if (!fsc)
return;
fsc->mount_state = CEPH_MOUNT_SHUTDOWN;
@@ -1045,13 +1048,14 @@ static struct dentry *open_root_dentry(struct ceph_fs_client *fsc,
const char *path,
unsigned long started)
{
+ struct ceph_client *cl = fsc->client;
struct ceph_mds_client *mdsc = fsc->mdsc;
struct ceph_mds_request *req = NULL;
int err;
struct dentry *root;
/* open dir */
- dout("open_root_inode opening '%s'\n", path);
+ doutc(cl, "opening '%s'\n", path);
req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_GETATTR, USE_ANY_MDS);
if (IS_ERR(req))
return ERR_CAST(req);
@@ -1071,13 +1075,13 @@ static struct dentry *open_root_dentry(struct ceph_fs_client *fsc,
if (err == 0) {
struct inode *inode = req->r_target_inode;
req->r_target_inode = NULL;
- dout("open_root_inode success\n");
+ doutc(cl, "success\n");
root = d_make_root(inode);
if (!root) {
root = ERR_PTR(-ENOMEM);
goto out;
}
- dout("open_root_inode success, root dentry is %p\n", root);
+ doutc(cl, "success, root dentry is %p\n", root);
} else {
root = ERR_PTR(err);
}
@@ -1136,11 +1140,12 @@ static int ceph_apply_test_dummy_encryption(struct super_block *sb,
static struct dentry *ceph_real_mount(struct ceph_fs_client *fsc,
struct fs_context *fc)
{
+ struct ceph_client *cl = fsc->client;
int err;
unsigned long started = jiffies; /* note the start time */
struct dentry *root;
- dout("mount start %p\n", fsc);
+ doutc(cl, "mount start %p\n", fsc);
mutex_lock(&fsc->client->mount_mutex);
if (!fsc->sb->s_root) {
@@ -1163,7 +1168,7 @@ static struct dentry *ceph_real_mount(struct ceph_fs_client *fsc,
if (err)
goto out;
- dout("mount opening path '%s'\n", path);
+ doutc(cl, "mount opening path '%s'\n", path);
ceph_fs_debugfs_init(fsc);
@@ -1178,7 +1183,7 @@ static struct dentry *ceph_real_mount(struct ceph_fs_client *fsc,
}
fsc->mount_state = CEPH_MOUNT_MOUNTED;
- dout("mount success\n");
+ doutc(cl, "mount success\n");
mutex_unlock(&fsc->client->mount_mutex);
return root;
@@ -1191,9 +1196,10 @@ out:
static int ceph_set_super(struct super_block *s, struct fs_context *fc)
{
struct ceph_fs_client *fsc = s->s_fs_info;
+ struct ceph_client *cl = fsc->client;
int ret;
- dout("set_super %p\n", s);
+ doutc(cl, "%p\n", s);
s->s_maxbytes = MAX_LFS_FILESIZE;
@@ -1226,31 +1232,32 @@ static int ceph_compare_super(struct super_block *sb, struct fs_context *fc)
struct ceph_fs_client *new = fc->s_fs_info;
struct ceph_mount_options *fsopt = new->mount_options;
struct ceph_options *opt = new->client->options;
- struct ceph_fs_client *fsc = ceph_sb_to_client(sb);
+ struct ceph_fs_client *fsc = ceph_sb_to_fs_client(sb);
+ struct ceph_client *cl = fsc->client;
- dout("ceph_compare_super %p\n", sb);
+ doutc(cl, "%p\n", sb);
if (compare_mount_options(fsopt, opt, fsc)) {
- dout("monitor(s)/mount options don't match\n");
+ doutc(cl, "monitor(s)/mount options don't match\n");
return 0;
}
if ((opt->flags & CEPH_OPT_FSID) &&
ceph_fsid_compare(&opt->fsid, &fsc->client->fsid)) {
- dout("fsid doesn't match\n");
+ doutc(cl, "fsid doesn't match\n");
return 0;
}
if (fc->sb_flags != (sb->s_flags & ~SB_BORN)) {
- dout("flags differ\n");
+ doutc(cl, "flags differ\n");
return 0;
}
if (fsc->blocklisted && !ceph_test_mount_opt(fsc, CLEANRECOVER)) {
- dout("client is blocklisted (and CLEANRECOVER is not set)\n");
+ doutc(cl, "client is blocklisted (and CLEANRECOVER is not set)\n");
return 0;
}
if (fsc->mount_state == CEPH_MOUNT_SHUTDOWN) {
- dout("client has been forcibly unmounted\n");
+ doutc(cl, "client has been forcibly unmounted\n");
return 0;
}
@@ -1322,9 +1329,9 @@ static int ceph_get_tree(struct fs_context *fc)
goto out;
}
- if (ceph_sb_to_client(sb) != fsc) {
+ if (ceph_sb_to_fs_client(sb) != fsc) {
destroy_fs_client(fsc);
- fsc = ceph_sb_to_client(sb);
+ fsc = ceph_sb_to_fs_client(sb);
dout("get_sb got existing client %p\n", fsc);
} else {
dout("get_sb using new client %p\n", fsc);
@@ -1338,8 +1345,9 @@ static int ceph_get_tree(struct fs_context *fc)
err = PTR_ERR(res);
goto out_splat;
}
- dout("root %p inode %p ino %llx.%llx\n", res,
- d_inode(res), ceph_vinop(d_inode(res)));
+
+ doutc(fsc->client, "root %p inode %p ino %llx.%llx\n", res,
+ d_inode(res), ceph_vinop(d_inode(res)));
fc->root = fsc->sb->s_root;
return 0;
@@ -1377,7 +1385,7 @@ static int ceph_reconfigure_fc(struct fs_context *fc)
struct ceph_parse_opts_ctx *pctx = fc->fs_private;
struct ceph_mount_options *fsopt = pctx->opts;
struct super_block *sb = fc->root->d_sb;
- struct ceph_fs_client *fsc = ceph_sb_to_client(sb);
+ struct ceph_fs_client *fsc = ceph_sb_to_fs_client(sb);
err = ceph_apply_test_dummy_encryption(sb, fc, fsopt);
if (err)
@@ -1397,7 +1405,8 @@ static int ceph_reconfigure_fc(struct fs_context *fc)
kfree(fsc->mount_options->mon_addr);
fsc->mount_options->mon_addr = fsopt->mon_addr;
fsopt->mon_addr = NULL;
- pr_notice("ceph: monitor addresses recorded, but not used for reconnection");
+ pr_notice_client(fsc->client,
+ "monitor addresses recorded, but not used for reconnection");
}
sync_filesystem(sb);
@@ -1516,11 +1525,12 @@ void ceph_dec_osd_stopping_blocker(struct ceph_mds_client *mdsc)
static void ceph_kill_sb(struct super_block *s)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(s);
+ struct ceph_fs_client *fsc = ceph_sb_to_fs_client(s);
+ struct ceph_client *cl = fsc->client;
struct ceph_mds_client *mdsc = fsc->mdsc;
bool wait;
- dout("kill_sb %p\n", s);
+ doutc(cl, "%p\n", s);
ceph_mdsc_pre_umount(mdsc);
flush_fs_workqueues(fsc);
@@ -1551,9 +1561,9 @@ static void ceph_kill_sb(struct super_block *s)
&mdsc->stopping_waiter,
fsc->client->options->mount_timeout);
if (!timeleft) /* timed out */
- pr_warn("umount timed out, %ld\n", timeleft);
+ pr_warn_client(cl, "umount timed out, %ld\n", timeleft);
else if (timeleft < 0) /* killed */
- pr_warn("umount was killed, %ld\n", timeleft);
+ pr_warn_client(cl, "umount was killed, %ld\n", timeleft);
}
mdsc->stopping = CEPH_MDSC_STOPPING_FLUSHED;
@@ -1572,13 +1582,13 @@ static struct file_system_type ceph_fs_type = {
.name = "ceph",
.init_fs_context = ceph_init_fs_context,
.kill_sb = ceph_kill_sb,
- .fs_flags = FS_RENAME_DOES_D_MOVE,
+ .fs_flags = FS_RENAME_DOES_D_MOVE | FS_ALLOW_IDMAP,
};
MODULE_ALIAS_FS("ceph");
int ceph_force_reconnect(struct super_block *sb)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(sb);
+ struct ceph_fs_client *fsc = ceph_sb_to_fs_client(sb);
int err = 0;
fsc->mount_state = CEPH_MOUNT_RECOVER;
@@ -1671,6 +1681,11 @@ static const struct kernel_param_ops param_ops_mount_syntax = {
module_param_cb(mount_syntax_v1, &param_ops_mount_syntax, &mount_support, 0444);
module_param_cb(mount_syntax_v2, &param_ops_mount_syntax, &mount_support, 0444);
+bool enable_unsafe_idmap = false;
+module_param(enable_unsafe_idmap, bool, 0644);
+MODULE_PARM_DESC(enable_unsafe_idmap,
+ "Allow to use idmapped mounts with MDS without CEPHFS_FEATURE_HAS_OWNER_UIDGID");
+
module_init(init_ceph);
module_exit(exit_ceph);