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-rw-r--r--fs/ceph/addr.c21
-rw-r--r--fs/ceph/caps.c2
-rw-r--r--fs/ceph/debugfs.c1
-rw-r--r--fs/ceph/file.c4
-rw-r--r--fs/ceph/inode.c19
-rw-r--r--fs/ceph/ioctl.c11
-rw-r--r--fs/ceph/mds_client.c3
-rw-r--r--fs/ceph/super.c42
8 files changed, 67 insertions, 36 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 452e71a1b753..6690269f5dde 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -205,7 +205,7 @@ static int readpage_nounlock(struct file *filp, struct page *page)
dout("readpage inode %p file %p page %p index %lu\n",
inode, filp, page, page->index);
err = ceph_osdc_readpages(osdc, ceph_vino(inode), &ci->i_layout,
- page->index << PAGE_CACHE_SHIFT, &len,
+ (u64) page_offset(page), &len,
ci->i_truncate_seq, ci->i_truncate_size,
&page, 1, 0);
if (err == -ENOENT)
@@ -286,7 +286,7 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
int nr_pages = 0;
int ret;
- off = page->index << PAGE_CACHE_SHIFT;
+ off = (u64) page_offset(page);
/* count pages */
next_index = page->index;
@@ -308,8 +308,8 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
NULL, 0,
ci->i_truncate_seq, ci->i_truncate_size,
NULL, false, 1, 0);
- if (!req)
- return -ENOMEM;
+ if (IS_ERR(req))
+ return PTR_ERR(req);
/* build page vector */
nr_pages = len >> PAGE_CACHE_SHIFT;
@@ -426,7 +426,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
struct ceph_inode_info *ci;
struct ceph_fs_client *fsc;
struct ceph_osd_client *osdc;
- loff_t page_off = page->index << PAGE_CACHE_SHIFT;
+ loff_t page_off = page_offset(page);
int len = PAGE_CACHE_SIZE;
loff_t i_size;
int err = 0;
@@ -817,8 +817,7 @@ get_more_pages:
/* ok */
if (locked_pages == 0) {
/* prepare async write request */
- offset = (unsigned long long)page->index
- << PAGE_CACHE_SHIFT;
+ offset = (u64) page_offset(page);
len = wsize;
req = ceph_osdc_new_request(&fsc->client->osdc,
&ci->i_layout,
@@ -832,8 +831,8 @@ get_more_pages:
ci->i_truncate_size,
&inode->i_mtime, true, 1, 0);
- if (!req) {
- rc = -ENOMEM;
+ if (IS_ERR(req)) {
+ rc = PTR_ERR(req);
unlock_page(page);
break;
}
@@ -1180,7 +1179,7 @@ static int ceph_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
struct inode *inode = vma->vm_file->f_dentry->d_inode;
struct page *page = vmf->page;
struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
- loff_t off = page->index << PAGE_CACHE_SHIFT;
+ loff_t off = page_offset(page);
loff_t size, len;
int ret;
@@ -1225,6 +1224,7 @@ out:
static struct vm_operations_struct ceph_vmops = {
.fault = filemap_fault,
.page_mkwrite = ceph_page_mkwrite,
+ .remap_pages = generic_file_remap_pages,
};
int ceph_mmap(struct file *file, struct vm_area_struct *vma)
@@ -1235,6 +1235,5 @@ int ceph_mmap(struct file *file, struct vm_area_struct *vma)
return -ENOEXEC;
file_accessed(file);
vma->vm_ops = &ceph_vmops;
- vma->vm_flags |= VM_CAN_NONLINEAR;
return 0;
}
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 620daad201db..3251e9cc6401 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -1005,7 +1005,7 @@ static void __queue_cap_release(struct ceph_mds_session *session,
BUG_ON(msg->front.iov_len + sizeof(*item) > PAGE_CACHE_SIZE);
head = msg->front.iov_base;
- head->num = cpu_to_le32(le32_to_cpu(head->num) + 1);
+ le32_add_cpu(&head->num, 1);
item = msg->front.iov_base + msg->front.iov_len;
item->ino = cpu_to_le64(ino);
item->cap_id = cpu_to_le64(cap_id);
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index fb962efdacee..6d59006bfa27 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -201,6 +201,7 @@ int ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
int err = -ENOMEM;
dout("ceph_fs_debugfs_init\n");
+ BUG_ON(!fsc->client->debugfs_dir);
fsc->debugfs_congestion_kb =
debugfs_create_file("writeback_congestion_kb",
0600,
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index ecebbc09bfc7..5840d2aaed15 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -536,8 +536,8 @@ more:
do_sync,
ci->i_truncate_seq, ci->i_truncate_size,
&mtime, false, 2, page_align);
- if (!req)
- return -ENOMEM;
+ if (IS_ERR(req))
+ return PTR_ERR(req);
if (file->f_flags & O_DIRECT) {
pages = ceph_get_direct_page_vector(data, num_pages, false);
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 9fff9f3b17e4..ba95eea201bf 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -992,11 +992,15 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
if (rinfo->head->is_dentry) {
struct inode *dir = req->r_locked_dir;
- err = fill_inode(dir, &rinfo->diri, rinfo->dirfrag,
- session, req->r_request_started, -1,
- &req->r_caps_reservation);
- if (err < 0)
- return err;
+ if (dir) {
+ err = fill_inode(dir, &rinfo->diri, rinfo->dirfrag,
+ session, req->r_request_started, -1,
+ &req->r_caps_reservation);
+ if (err < 0)
+ return err;
+ } else {
+ WARN_ON_ONCE(1);
+ }
}
/*
@@ -1004,6 +1008,7 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
* will have trouble splicing in the virtual snapdir later
*/
if (rinfo->head->is_dentry && !req->r_aborted &&
+ req->r_locked_dir &&
(rinfo->head->is_target || strncmp(req->r_dentry->d_name.name,
fsc->mount_options->snapdir_name,
req->r_dentry->d_name.len))) {
@@ -1099,7 +1104,7 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
pr_err("fill_trace bad get_inode "
"%llx.%llx\n", vino.ino, vino.snap);
err = PTR_ERR(in);
- d_delete(dn);
+ d_drop(dn);
goto done;
}
dn = splice_dentry(dn, in, &have_lease, true);
@@ -1272,7 +1277,7 @@ retry_lookup:
in = ceph_get_inode(parent->d_sb, vino);
if (IS_ERR(in)) {
dout("new_inode badness\n");
- d_delete(dn);
+ d_drop(dn);
dput(dn);
err = PTR_ERR(in);
goto out;
diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c
index 8e3fb69fbe62..36549a46e311 100644
--- a/fs/ceph/ioctl.c
+++ b/fs/ceph/ioctl.c
@@ -42,7 +42,8 @@ static long __validate_layout(struct ceph_mds_client *mdsc,
/* validate striping parameters */
if ((l->object_size & ~PAGE_MASK) ||
(l->stripe_unit & ~PAGE_MASK) ||
- ((unsigned)l->object_size % (unsigned)l->stripe_unit))
+ (l->stripe_unit != 0 &&
+ ((unsigned)l->object_size % (unsigned)l->stripe_unit)))
return -EINVAL;
/* make sure it's a valid data pool */
@@ -186,14 +187,18 @@ static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg)
u64 tmp;
struct ceph_object_layout ol;
struct ceph_pg pgid;
+ int r;
/* copy and validate */
if (copy_from_user(&dl, arg, sizeof(dl)))
return -EFAULT;
down_read(&osdc->map_sem);
- ceph_calc_file_object_mapping(&ci->i_layout, dl.file_offset, &len,
- &dl.object_no, &dl.object_offset, &olen);
+ r = ceph_calc_file_object_mapping(&ci->i_layout, dl.file_offset, &len,
+ &dl.object_no, &dl.object_offset,
+ &olen);
+ if (r < 0)
+ return -EIO;
dl.file_offset -= dl.object_offset;
dl.object_size = ceph_file_layout_object_size(ci->i_layout);
dl.block_size = ceph_file_layout_su(ci->i_layout);
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index a5a735422aa7..1bcf712655d9 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2625,7 +2625,8 @@ static void check_new_map(struct ceph_mds_client *mdsc,
ceph_mdsmap_is_laggy(newmap, i) ? " (laggy)" : "",
session_state_name(s->s_state));
- if (memcmp(ceph_mdsmap_get_addr(oldmap, i),
+ if (i >= newmap->m_max_mds ||
+ memcmp(ceph_mdsmap_get_addr(oldmap, i),
ceph_mdsmap_get_addr(newmap, i),
sizeof(struct ceph_entity_addr))) {
if (s->s_state == CEPH_MDS_SESSION_OPENING) {
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index b982239f38f9..2eb43f211325 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -307,7 +307,10 @@ static int parse_mount_options(struct ceph_mount_options **pfsopt,
{
struct ceph_mount_options *fsopt;
const char *dev_name_end;
- int err = -ENOMEM;
+ int err;
+
+ if (!dev_name || !*dev_name)
+ return -EINVAL;
fsopt = kzalloc(sizeof(*fsopt), GFP_KERNEL);
if (!fsopt)
@@ -328,21 +331,33 @@ static int parse_mount_options(struct ceph_mount_options **pfsopt,
fsopt->max_readdir_bytes = CEPH_MAX_READDIR_BYTES_DEFAULT;
fsopt->congestion_kb = default_congestion_kb();
- /* ip1[:port1][,ip2[:port2]...]:/subdir/in/fs */
+ /*
+ * Distinguish the server list from the path in "dev_name".
+ * Internally we do not include the leading '/' in the path.
+ *
+ * "dev_name" will look like:
+ * <server_spec>[,<server_spec>...]:[<path>]
+ * where
+ * <server_spec> is <ip>[:<port>]
+ * <path> is optional, but if present must begin with '/'
+ */
+ dev_name_end = strchr(dev_name, '/');
+ if (dev_name_end) {
+ /* skip over leading '/' for path */
+ *path = dev_name_end + 1;
+ } else {
+ /* path is empty */
+ dev_name_end = dev_name + strlen(dev_name);
+ *path = dev_name_end;
+ }
err = -EINVAL;
- if (!dev_name)
- goto out;
- *path = strstr(dev_name, ":/");
- if (*path == NULL) {
- pr_err("device name is missing path (no :/ in %s)\n",
+ dev_name_end--; /* back up to ':' separator */
+ if (*dev_name_end != ':') {
+ pr_err("device name is missing path (no : separator in %s)\n",
dev_name);
goto out;
}
- dev_name_end = *path;
dout("device name '%.*s'\n", (int)(dev_name_end - dev_name), dev_name);
-
- /* path on server */
- *path += 2;
dout("server path '%s'\n", *path);
*popt = ceph_parse_options(options, dev_name, dev_name_end,
@@ -603,6 +618,11 @@ bad_cap:
static void destroy_caches(void)
{
+ /*
+ * Make sure all delayed rcu free inodes are flushed before we
+ * destroy cache.
+ */
+ rcu_barrier();
kmem_cache_destroy(ceph_inode_cachep);
kmem_cache_destroy(ceph_cap_cachep);
kmem_cache_destroy(ceph_dentry_cachep);
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-03 20:19:05 +0000