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libceph, rbd, ceph: convert to use the new mount API

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Convert the ceph filesystem to the new internal mount API as the old
one will be obsoleted and removed.  This allows greater flexibility in
communication of mount parameters between userspace, the VFS and the
filesystem.

See Documentation/filesystems/mount_api.txt for more information.

[ Numerous string handling, leak and regression fixes; rbd conversion
  was particularly broken and had to be redone almost from scratch. ]

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
David Howells 2019-03-25 16:38:32 +00:00 • committed by Ilya Dryomov
parent 196e2d6d02
commit 82995cc6c5
8 changed files with 699 additions and 691 deletions
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10
include/linux/ceph/libceph.h
View file

@ -280,10 +280,12 @@ extern const char *ceph_msg_type_name(int type);
extern int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid);
extern void *ceph_kvmalloc(size_t size, gfp_t flags);
extern struct ceph_options *ceph_parse_options(char *options,
const char *dev_name, const char *dev_name_end,
int (*parse_extra_token)(char *c, void *private),
void *private);
struct fs_parameter;
struct ceph_options *ceph_alloc_options(void);
int ceph_parse_mon_ips(const char *buf, size_t len, struct ceph_options *opt,
struct fs_context *fc);
int ceph_parse_param(struct fs_parameter *param, struct ceph_options *opt,
struct fs_context *fc);
int ceph_print_client_options(struct seq_file *m, struct ceph_client *client,
bool show_all);
extern void ceph_destroy_options(struct ceph_options *opt);