#include "super.h"
#include "mds_client.h"
+#include "cache.h"
#include <linux/ceph/ceph_features.h>
#include <linux/ceph/decode.h>
dout("put_super\n");
ceph_mdsc_close_sessions(fsc->mdsc);
-
- /*
- * ensure we release the bdi before put_anon_super releases
- * the device name.
- */
- if (s->s_bdi == &fsc->backing_dev_info) {
- bdi_unregister(&fsc->backing_dev_info);
- s->s_bdi = NULL;
- }
-
- return;
}
static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf)
{
- struct ceph_fs_client *fsc = ceph_inode_to_client(dentry->d_inode);
+ struct ceph_fs_client *fsc = ceph_inode_to_client(d_inode(dentry));
struct ceph_monmap *monmap = fsc->client->monc.monmap;
struct ceph_statfs st;
u64 fsid;
Opt_nodcache,
Opt_ino32,
Opt_noino32,
+ Opt_fscache,
+ Opt_nofscache,
+ Opt_poolperm,
+ Opt_nopoolperm,
+#ifdef CONFIG_CEPH_FS_POSIX_ACL
+ Opt_acl,
+#endif
+ Opt_noacl,
};
static match_table_t fsopt_tokens = {
{Opt_nodcache, "nodcache"},
{Opt_ino32, "ino32"},
{Opt_noino32, "noino32"},
+ {Opt_fscache, "fsc"},
+ {Opt_nofscache, "nofsc"},
+ {Opt_poolperm, "poolperm"},
+ {Opt_nopoolperm, "nopoolperm"},
+#ifdef CONFIG_CEPH_FS_POSIX_ACL
+ {Opt_acl, "acl"},
+#endif
+ {Opt_noacl, "noacl"},
{-1, NULL}
};
case Opt_noino32:
fsopt->flags &= ~CEPH_MOUNT_OPT_INO32;
break;
+ case Opt_fscache:
+ fsopt->flags |= CEPH_MOUNT_OPT_FSCACHE;
+ break;
+ case Opt_nofscache:
+ fsopt->flags &= ~CEPH_MOUNT_OPT_FSCACHE;
+ break;
+ case Opt_poolperm:
+ fsopt->flags &= ~CEPH_MOUNT_OPT_NOPOOLPERM;
+ printk ("pool perm");
+ break;
+ case Opt_nopoolperm:
+ fsopt->flags |= CEPH_MOUNT_OPT_NOPOOLPERM;
+ break;
+#ifdef CONFIG_CEPH_FS_POSIX_ACL
+ case Opt_acl:
+ fsopt->sb_flags |= MS_POSIXACL;
+ break;
+#endif
+ case Opt_noacl:
+ fsopt->sb_flags &= ~MS_POSIXACL;
+ break;
default:
BUG_ON(token);
}
fsopt->rsize = CEPH_RSIZE_DEFAULT;
fsopt->rasize = CEPH_RASIZE_DEFAULT;
fsopt->snapdir_name = kstrdup(CEPH_SNAPDIRNAME_DEFAULT, GFP_KERNEL);
+ if (!fsopt->snapdir_name) {
+ err = -ENOMEM;
+ goto out;
+ }
+
fsopt->caps_wanted_delay_min = CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT;
fsopt->caps_wanted_delay_max = CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT;
fsopt->cap_release_safety = CEPH_CAP_RELEASE_SAFETY_DEFAULT;
}
err = -EINVAL;
dev_name_end--; /* back up to ':' separator */
- if (*dev_name_end != ':') {
+ if (dev_name_end < dev_name || *dev_name_end != ':') {
pr_err("device name is missing path (no : separator in %s)\n",
dev_name);
goto out;
{
struct ceph_fs_client *fsc = ceph_sb_to_client(root->d_sb);
struct ceph_mount_options *fsopt = fsc->mount_options;
- struct ceph_options *opt = fsc->client->options;
-
- if (opt->flags & CEPH_OPT_FSID)
- seq_printf(m, ",fsid=%pU", &opt->fsid);
- if (opt->flags & CEPH_OPT_NOSHARE)
- seq_puts(m, ",noshare");
- if (opt->flags & CEPH_OPT_NOCRC)
- seq_puts(m, ",nocrc");
-
- if (opt->name)
- seq_printf(m, ",name=%s", opt->name);
- if (opt->key)
- seq_puts(m, ",secret=<hidden>");
-
- if (opt->mount_timeout != CEPH_MOUNT_TIMEOUT_DEFAULT)
- seq_printf(m, ",mount_timeout=%d", opt->mount_timeout);
- if (opt->osd_idle_ttl != CEPH_OSD_IDLE_TTL_DEFAULT)
- seq_printf(m, ",osd_idle_ttl=%d", opt->osd_idle_ttl);
- if (opt->osd_keepalive_timeout != CEPH_OSD_KEEPALIVE_DEFAULT)
- seq_printf(m, ",osdkeepalivetimeout=%d",
- opt->osd_keepalive_timeout);
+ size_t pos;
+ int ret;
+
+ /* a comma between MNT/MS and client options */
+ seq_putc(m, ',');
+ pos = m->count;
+
+ ret = ceph_print_client_options(m, fsc->client);
+ if (ret)
+ return ret;
+
+ /* retract our comma if no client options */
+ if (m->count == pos)
+ m->count--;
if (fsopt->flags & CEPH_MOUNT_OPT_DIRSTAT)
seq_puts(m, ",dirstat");
seq_puts(m, ",norbytes");
if (fsopt->flags & CEPH_MOUNT_OPT_NOASYNCREADDIR)
seq_puts(m, ",noasyncreaddir");
- if (fsopt->flags & CEPH_MOUNT_OPT_DCACHE)
- seq_puts(m, ",dcache");
- else
+ if ((fsopt->flags & CEPH_MOUNT_OPT_DCACHE) == 0)
seq_puts(m, ",nodcache");
+ if (fsopt->flags & CEPH_MOUNT_OPT_FSCACHE)
+ seq_puts(m, ",fsc");
+ if (fsopt->flags & CEPH_MOUNT_OPT_NOPOOLPERM)
+ seq_puts(m, ",nopoolperm");
+
+#ifdef CONFIG_CEPH_FS_POSIX_ACL
+ if (fsopt->sb_flags & MS_POSIXACL)
+ seq_puts(m, ",acl");
+ else
+ seq_puts(m, ",noacl");
+#endif
if (fsopt->wsize)
seq_printf(m, ",wsize=%d", fsopt->wsize);
if (fsopt->max_readdir_bytes != CEPH_MAX_READDIR_BYTES_DEFAULT)
seq_printf(m, ",readdir_max_bytes=%d", fsopt->max_readdir_bytes);
if (strcmp(fsopt->snapdir_name, CEPH_SNAPDIRNAME_DEFAULT))
- seq_printf(m, ",snapdirname=%s", fsopt->snapdir_name);
+ seq_show_option(m, "snapdirname", fsopt->snapdir_name);
+
return 0;
}
struct ceph_options *opt)
{
struct ceph_fs_client *fsc;
- const unsigned supported_features =
+ const u64 supported_features =
CEPH_FEATURE_FLOCK |
- CEPH_FEATURE_DIRLAYOUTHASH;
- const unsigned required_features = 0;
+ CEPH_FEATURE_DIRLAYOUTHASH |
+ CEPH_FEATURE_MDS_INLINE_DATA;
+ const u64 required_features = 0;
int page_count;
size_t size;
int err = -ENOMEM;
if (!fsc->wb_pagevec_pool)
goto fail_trunc_wq;
+ /* setup fscache */
+ if ((fsopt->flags & CEPH_MOUNT_OPT_FSCACHE) &&
+ (ceph_fscache_register_fs(fsc) != 0))
+ goto fail_fscache;
+
/* caps */
fsc->min_caps = fsopt->max_readdir;
return fsc;
+fail_fscache:
+ ceph_fscache_unregister_fs(fsc);
fail_trunc_wq:
destroy_workqueue(fsc->trunc_wq);
fail_pg_inv_wq:
{
dout("destroy_fs_client %p\n", fsc);
+ ceph_fscache_unregister_fs(fsc);
+
destroy_workqueue(fsc->wb_wq);
destroy_workqueue(fsc->pg_inv_wq);
destroy_workqueue(fsc->trunc_wq);
*/
struct kmem_cache *ceph_inode_cachep;
struct kmem_cache *ceph_cap_cachep;
+struct kmem_cache *ceph_cap_flush_cachep;
struct kmem_cache *ceph_dentry_cachep;
struct kmem_cache *ceph_file_cachep;
static int __init init_caches(void)
{
+ int error = -ENOMEM;
+
ceph_inode_cachep = kmem_cache_create("ceph_inode_info",
sizeof(struct ceph_inode_info),
__alignof__(struct ceph_inode_info),
SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD);
if (ceph_cap_cachep == NULL)
goto bad_cap;
+ ceph_cap_flush_cachep = KMEM_CACHE(ceph_cap_flush,
+ SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD);
+ if (ceph_cap_flush_cachep == NULL)
+ goto bad_cap_flush;
ceph_dentry_cachep = KMEM_CACHE(ceph_dentry_info,
SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD);
if (ceph_file_cachep == NULL)
goto bad_file;
- return 0;
+ if ((error = ceph_fscache_register()))
+ goto bad_file;
+ return 0;
bad_file:
kmem_cache_destroy(ceph_dentry_cachep);
bad_dentry:
+ kmem_cache_destroy(ceph_cap_flush_cachep);
+bad_cap_flush:
kmem_cache_destroy(ceph_cap_cachep);
bad_cap:
kmem_cache_destroy(ceph_inode_cachep);
- return -ENOMEM;
+ return error;
}
static void destroy_caches(void)
* destroy cache.
*/
rcu_barrier();
+
kmem_cache_destroy(ceph_inode_cachep);
kmem_cache_destroy(ceph_cap_cachep);
+ kmem_cache_destroy(ceph_cap_flush_cachep);
kmem_cache_destroy(ceph_dentry_cachep);
kmem_cache_destroy(ceph_file_cachep);
+
+ ceph_fscache_unregister();
}
if (!fsc)
return;
fsc->mount_state = CEPH_MOUNT_SHUTDOWN;
+ ceph_mdsc_force_umount(fsc->mdsc);
return;
}
.alloc_inode = ceph_alloc_inode,
.destroy_inode = ceph_destroy_inode,
.write_inode = ceph_write_inode,
+ .drop_inode = ceph_drop_inode,
.sync_fs = ceph_sync_fs,
.put_super = ceph_put_super,
.show_options = ceph_show_options,
if (IS_ERR(req))
return ERR_CAST(req);
req->r_path1 = kstrdup(path, GFP_NOFS);
+ if (!req->r_path1) {
+ root = ERR_PTR(-ENOMEM);
+ goto out;
+ }
+
req->r_ino1.ino = CEPH_INO_ROOT;
req->r_ino1.snap = CEPH_NOSNAP;
req->r_started = started;
- req->r_timeout = fsc->client->options->mount_timeout * HZ;
+ req->r_timeout = fsc->client->options->mount_timeout;
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);
goto out;
}
} else {
- root = d_obtain_alias(inode);
+ root = d_obtain_root(inode);
}
ceph_init_dentry(root);
dout("open_root_inode success, root dentry is %p\n", root);
s->s_flags = fsc->mount_options->sb_flags;
s->s_maxbytes = 1ULL << 40; /* temp value until we get mdsmap */
+ s->s_xattr = ceph_xattr_handlers;
s->s_fs_info = fsc;
fsc->sb = s;
>> PAGE_SHIFT;
else
fsc->backing_dev_info.ra_pages =
- default_backing_dev_info.ra_pages;
+ VM_MAX_READAHEAD * 1024 / PAGE_CACHE_SIZE;
err = bdi_register(&fsc->backing_dev_info, NULL, "ceph-%ld",
atomic_long_inc_return(&bdi_seq));
struct ceph_options *opt = NULL;
dout("ceph_mount\n");
+
+#ifdef CONFIG_CEPH_FS_POSIX_ACL
+ flags |= MS_POSIXACL;
+#endif
err = parse_mount_options(&fsopt, &opt, flags, data, dev_name, &path);
if (err < 0) {
res = ERR_PTR(err);
if (IS_ERR(res))
goto out_splat;
dout("root %p inode %p ino %llx.%llx\n", res,
- res->d_inode, ceph_vinop(res->d_inode));
+ d_inode(res), ceph_vinop(d_inode(res)));
return res;
out_splat:
static void ceph_kill_sb(struct super_block *s)
{
struct ceph_fs_client *fsc = ceph_sb_to_client(s);
+ dev_t dev = s->s_dev;
+
dout("kill_sb %p\n", s);
+
ceph_mdsc_pre_umount(fsc->mdsc);
- kill_anon_super(s); /* will call put_super after sb is r/o */
+ generic_shutdown_super(s);
ceph_mdsc_destroy(fsc);
+
destroy_fs_client(fsc);
+ free_anon_bdev(dev);
}
static struct file_system_type ceph_fs_type = {
};
MODULE_ALIAS_FS("ceph");
-#define _STRINGIFY(x) #x
-#define STRINGIFY(x) _STRINGIFY(x)
-
static int __init init_ceph(void)
{
int ret = init_caches();
if (ret)
goto out;
+ ceph_flock_init();
ceph_xattr_init();
+ ret = ceph_snap_init();
+ if (ret)
+ goto out_xattr;
ret = register_filesystem(&ceph_fs_type);
if (ret)
- goto out_icache;
+ goto out_snap;
pr_info("loaded (mds proto %d)\n", CEPH_MDSC_PROTOCOL);
return 0;
-out_icache:
+out_snap:
+ ceph_snap_exit();
+out_xattr:
ceph_xattr_exit();
destroy_caches();
out:
{
dout("exit_ceph\n");
unregister_filesystem(&ceph_fs_type);
+ ceph_snap_exit();
ceph_xattr_exit();
destroy_caches();
}
projects / firefly-linux-kernel-4.4.55.git / blobdiff