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-rw-r--r--fs/ceph/acl.c11
-rw-r--r--fs/ceph/addr.c24
-rw-r--r--fs/ceph/dir.c3
-rw-r--r--fs/ceph/file.c4
-rw-r--r--fs/ceph/inode.c25
-rw-r--r--fs/ceph/locks.c4
-rw-r--r--fs/ceph/mds_client.c30
-rw-r--r--fs/ceph/mds_client.h1
-rw-r--r--fs/ceph/strings.c2
-rw-r--r--fs/ceph/super.c49
10 files changed, 79 insertions, 74 deletions
diff --git a/fs/ceph/acl.c b/fs/ceph/acl.c
index 4f67227f69a5..987044bca1c2 100644
--- a/fs/ceph/acl.c
+++ b/fs/ceph/acl.c
@@ -95,11 +95,9 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type)
case ACL_TYPE_ACCESS:
name = XATTR_NAME_POSIX_ACL_ACCESS;
if (acl) {
- ret = posix_acl_equiv_mode(acl, &new_mode);
- if (ret < 0)
+ ret = posix_acl_update_mode(inode, &new_mode, &acl);
+ if (ret)
goto out;
- if (ret == 0)
- acl = NULL;
}
break;
case ACL_TYPE_DEFAULT:
@@ -127,6 +125,11 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type)
goto out_free;
}
+ if (ceph_snap(inode) != CEPH_NOSNAP) {
+ ret = -EROFS;
+ goto out_free;
+ }
+
if (new_mode != old_mode) {
newattrs.ia_mode = new_mode;
newattrs.ia_valid = ATTR_MODE;
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index d5b6f959a3c3..ef3ebd780aff 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -175,9 +175,8 @@ static void ceph_invalidatepage(struct page *page, unsigned int offset,
static int ceph_releasepage(struct page *page, gfp_t g)
{
- dout("%p releasepage %p idx %lu\n", page->mapping->host,
- page, page->index);
- WARN_ON(PageDirty(page));
+ dout("%p releasepage %p idx %lu (%sdirty)\n", page->mapping->host,
+ page, page->index, PageDirty(page) ? "" : "not ");
/* Can we release the page from the cache? */
if (!ceph_release_fscache_page(page, g))
@@ -298,14 +297,6 @@ unlock:
kfree(osd_data->pages);
}
-static void ceph_unlock_page_vector(struct page **pages, int num_pages)
-{
- int i;
-
- for (i = 0; i < num_pages; i++)
- unlock_page(pages[i]);
-}
-
/*
* start an async read(ahead) operation. return nr_pages we submitted
* a read for on success, or negative error code.
@@ -370,6 +361,10 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
dout("start_read %p add_to_page_cache failed %p\n",
inode, page);
nr_pages = i;
+ if (nr_pages > 0) {
+ len = nr_pages << PAGE_SHIFT;
+ break;
+ }
goto out_pages;
}
pages[i] = page;
@@ -386,8 +381,11 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
return nr_pages;
out_pages:
- ceph_unlock_page_vector(pages, nr_pages);
- ceph_release_page_vector(pages, nr_pages);
+ for (i = 0; i < nr_pages; ++i) {
+ ceph_fscache_readpage_cancel(inode, pages[i]);
+ unlock_page(pages[i]);
+ }
+ ceph_put_page_vector(pages, nr_pages, false);
out:
ceph_osdc_put_request(req);
return ret;
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 291a4d59c5f7..78180d151730 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1490,10 +1490,7 @@ const struct inode_operations ceph_dir_iops = {
.permission = ceph_permission,
.getattr = ceph_getattr,
.setattr = ceph_setattr,
- .setxattr = generic_setxattr,
- .getxattr = generic_getxattr,
.listxattr = ceph_listxattr,
- .removexattr = generic_removexattr,
.get_acl = ceph_get_acl,
.set_acl = ceph_set_acl,
.mknod = ceph_mknod,
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index a37a343fbd0f..7bf08825cc11 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -902,10 +902,10 @@ ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter,
return ret;
if (write) {
- ret = invalidate_inode_pages2_range(inode->i_mapping,
+ int ret2 = invalidate_inode_pages2_range(inode->i_mapping,
pos >> PAGE_SHIFT,
(pos + count) >> PAGE_SHIFT);
- if (ret < 0)
+ if (ret2 < 0)
dout("invalidate_inode_pages2_range returned %d\n", ret);
flags = CEPH_OSD_FLAG_ORDERSNAP |
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index ca1ccf741771..bca1b49c1c4b 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -94,10 +94,7 @@ const struct inode_operations ceph_file_iops = {
.permission = ceph_permission,
.setattr = ceph_setattr,
.getattr = ceph_getattr,
- .setxattr = generic_setxattr,
- .getxattr = generic_getxattr,
.listxattr = ceph_listxattr,
- .removexattr = generic_removexattr,
.get_acl = ceph_get_acl,
.set_acl = ceph_set_acl,
};
@@ -1885,10 +1882,7 @@ static const struct inode_operations ceph_symlink_iops = {
.get_link = simple_get_link,
.setattr = ceph_setattr,
.getattr = ceph_getattr,
- .setxattr = generic_setxattr,
- .getxattr = generic_getxattr,
.listxattr = ceph_listxattr,
- .removexattr = generic_removexattr,
};
int __ceph_setattr(struct inode *inode, struct iattr *attr)
@@ -1905,13 +1899,6 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr)
int inode_dirty_flags = 0;
bool lock_snap_rwsem = false;
- if (ceph_snap(inode) != CEPH_NOSNAP)
- return -EROFS;
-
- err = inode_change_ok(inode, attr);
- if (err != 0)
- return err;
-
prealloc_cf = ceph_alloc_cap_flush();
if (!prealloc_cf)
return -ENOMEM;
@@ -2124,7 +2111,17 @@ out_put:
*/
int ceph_setattr(struct dentry *dentry, struct iattr *attr)
{
- return __ceph_setattr(d_inode(dentry), attr);
+ struct inode *inode = d_inode(dentry);
+ int err;
+
+ if (ceph_snap(inode) != CEPH_NOSNAP)
+ return -EROFS;
+
+ err = setattr_prepare(dentry, attr);
+ if (err != 0)
+ return err;
+
+ return __ceph_setattr(inode, attr);
}
/*
diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c
index a2cb0c254060..6806dbeaee19 100644
--- a/fs/ceph/locks.c
+++ b/fs/ceph/locks.c
@@ -210,8 +210,8 @@ int ceph_flock(struct file *file, int cmd, struct file_lock *fl)
if (!(fl->fl_flags & FL_FLOCK))
return -ENOLCK;
/* No mandatory locks */
- if (__mandatory_lock(file->f_mapping->host) && fl->fl_type != F_UNLCK)
- return -ENOLCK;
+ if (fl->fl_type & LOCK_MAND)
+ return -EOPNOTSUPP;
dout("ceph_flock, fl_file: %p", fl->fl_file);
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index f72d4ae303b2..815acd1a56d4 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -370,6 +370,7 @@ const char *ceph_session_state_name(int s)
case CEPH_MDS_SESSION_CLOSING: return "closing";
case CEPH_MDS_SESSION_RESTARTING: return "restarting";
case CEPH_MDS_SESSION_RECONNECTING: return "reconnecting";
+ case CEPH_MDS_SESSION_REJECTED: return "rejected";
default: return "???";
}
}
@@ -1150,8 +1151,7 @@ static int remove_session_caps_cb(struct inode *inode, struct ceph_cap *cap,
while (!list_empty(&ci->i_cap_flush_list)) {
cf = list_first_entry(&ci->i_cap_flush_list,
struct ceph_cap_flush, i_list);
- list_del(&cf->i_list);
- list_add(&cf->i_list, &to_remove);
+ list_move(&cf->i_list, &to_remove);
}
spin_lock(&mdsc->cap_dirty_lock);
@@ -1378,7 +1378,7 @@ static int request_close_session(struct ceph_mds_client *mdsc,
if (!msg)
return -ENOMEM;
ceph_con_send(&session->s_con, msg);
- return 0;
+ return 1;
}
/*
@@ -2131,6 +2131,10 @@ static int __do_request(struct ceph_mds_client *mdsc,
ceph_session_state_name(session->s_state));
if (session->s_state != CEPH_MDS_SESSION_OPEN &&
session->s_state != CEPH_MDS_SESSION_HUNG) {
+ if (session->s_state == CEPH_MDS_SESSION_REJECTED) {
+ err = -EACCES;
+ goto out_session;
+ }
if (session->s_state == CEPH_MDS_SESSION_NEW ||
session->s_state == CEPH_MDS_SESSION_CLOSING)
__open_session(mdsc, session);
@@ -2652,6 +2656,15 @@ static void handle_session(struct ceph_mds_session *session,
wake_up_session_caps(session, 0);
break;
+ case CEPH_SESSION_REJECT:
+ WARN_ON(session->s_state != CEPH_MDS_SESSION_OPENING);
+ pr_info("mds%d rejected session\n", session->s_mds);
+ session->s_state = CEPH_MDS_SESSION_REJECTED;
+ cleanup_session_requests(mdsc, session);
+ remove_session_caps(session);
+ wake = 2; /* for good measure */
+ break;
+
default:
pr_err("mdsc_handle_session bad op %d mds%d\n", op, mds);
WARN_ON(1);
@@ -3557,11 +3570,11 @@ void ceph_mdsc_sync(struct ceph_mds_client *mdsc)
/*
* true if all sessions are closed, or we force unmount
*/
-static bool done_closing_sessions(struct ceph_mds_client *mdsc)
+static bool done_closing_sessions(struct ceph_mds_client *mdsc, int skipped)
{
if (ACCESS_ONCE(mdsc->fsc->mount_state) == CEPH_MOUNT_SHUTDOWN)
return true;
- return atomic_read(&mdsc->num_sessions) == 0;
+ return atomic_read(&mdsc->num_sessions) <= skipped;
}
/*
@@ -3572,6 +3585,7 @@ void ceph_mdsc_close_sessions(struct ceph_mds_client *mdsc)
struct ceph_options *opts = mdsc->fsc->client->options;
struct ceph_mds_session *session;
int i;
+ int skipped = 0;
dout("close_sessions\n");
@@ -3583,7 +3597,8 @@ void ceph_mdsc_close_sessions(struct ceph_mds_client *mdsc)
continue;
mutex_unlock(&mdsc->mutex);
mutex_lock(&session->s_mutex);
- __close_session(mdsc, session);
+ if (__close_session(mdsc, session) <= 0)
+ skipped++;
mutex_unlock(&session->s_mutex);
ceph_put_mds_session(session);
mutex_lock(&mdsc->mutex);
@@ -3591,7 +3606,8 @@ void ceph_mdsc_close_sessions(struct ceph_mds_client *mdsc)
mutex_unlock(&mdsc->mutex);
dout("waiting for sessions to close\n");
- wait_event_timeout(mdsc->session_close_wq, done_closing_sessions(mdsc),
+ wait_event_timeout(mdsc->session_close_wq,
+ done_closing_sessions(mdsc, skipped),
ceph_timeout_jiffies(opts->mount_timeout));
/* tear down remaining sessions */
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 6b3679737d4a..3c6f77b7bb02 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -121,6 +121,7 @@ enum {
CEPH_MDS_SESSION_CLOSING = 5,
CEPH_MDS_SESSION_RESTARTING = 6,
CEPH_MDS_SESSION_RECONNECTING = 7,
+ CEPH_MDS_SESSION_REJECTED = 8,
};
struct ceph_mds_session {
diff --git a/fs/ceph/strings.c b/fs/ceph/strings.c
index 89e6bc321df3..913dea163d5c 100644
--- a/fs/ceph/strings.c
+++ b/fs/ceph/strings.c
@@ -43,6 +43,8 @@ const char *ceph_session_op_name(int op)
case CEPH_SESSION_RECALL_STATE: return "recall_state";
case CEPH_SESSION_FLUSHMSG: return "flushmsg";
case CEPH_SESSION_FLUSHMSG_ACK: return "flushmsg_ack";
+ case CEPH_SESSION_FORCE_RO: return "force_ro";
+ case CEPH_SESSION_REJECT: return "reject";
}
return "???";
}
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index e247f6f0feb7..a29ffce98187 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -396,10 +396,12 @@ static int parse_mount_options(struct ceph_mount_options **pfsopt,
*/
dev_name_end = strchr(dev_name, '/');
if (dev_name_end) {
- fsopt->server_path = kstrdup(dev_name_end, GFP_KERNEL);
- if (!fsopt->server_path) {
- err = -ENOMEM;
- goto out;
+ if (strlen(dev_name_end) > 1) {
+ fsopt->server_path = kstrdup(dev_name_end, GFP_KERNEL);
+ if (!fsopt->server_path) {
+ err = -ENOMEM;
+ goto out;
+ }
}
} else {
dev_name_end = dev_name + strlen(dev_name);
@@ -788,15 +790,10 @@ static struct dentry *open_root_dentry(struct ceph_fs_client *fsc,
struct inode *inode = req->r_target_inode;
req->r_target_inode = NULL;
dout("open_root_inode success\n");
- if (ceph_ino(inode) == CEPH_INO_ROOT &&
- fsc->sb->s_root == NULL) {
- root = d_make_root(inode);
- if (!root) {
- root = ERR_PTR(-ENOMEM);
- goto out;
- }
- } else {
- root = d_obtain_root(inode);
+ root = d_make_root(inode);
+ if (!root) {
+ root = ERR_PTR(-ENOMEM);
+ goto out;
}
ceph_init_dentry(root);
dout("open_root_inode success, root dentry is %p\n", root);
@@ -825,17 +822,24 @@ static struct dentry *ceph_real_mount(struct ceph_fs_client *fsc)
mutex_lock(&fsc->client->mount_mutex);
if (!fsc->sb->s_root) {
+ const char *path;
err = __ceph_open_session(fsc->client, started);
if (err < 0)
goto out;
- dout("mount opening root\n");
- root = open_root_dentry(fsc, "", started);
+ if (!fsc->mount_options->server_path) {
+ path = "";
+ dout("mount opening path \\t\n");
+ } else {
+ path = fsc->mount_options->server_path + 1;
+ dout("mount opening path %s\n", path);
+ }
+ root = open_root_dentry(fsc, path, started);
if (IS_ERR(root)) {
err = PTR_ERR(root);
goto out;
}
- fsc->sb->s_root = root;
+ fsc->sb->s_root = dget(root);
first = 1;
err = ceph_fs_debugfs_init(fsc);
@@ -843,19 +847,6 @@ static struct dentry *ceph_real_mount(struct ceph_fs_client *fsc)
goto fail;
}
- if (!fsc->mount_options->server_path) {
- root = fsc->sb->s_root;
- dget(root);
- } else {
- const char *path = fsc->mount_options->server_path + 1;
- dout("mount opening path %s\n", path);
- root = open_root_dentry(fsc, path, started);
- if (IS_ERR(root)) {
- err = PTR_ERR(root);
- goto fail;
- }
- }
-
fsc->mount_state = CEPH_MOUNT_MOUNTED;
dout("mount success\n");
mutex_unlock(&fsc->client->mount_mutex);