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libceph, ceph: split ceph_show_options()

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Split ceph_show_options() into two pieces and move the piece
responsible for printing client (libceph) options into net/ceph.  This
way people adding a libceph option wouldn't have to remember to update
code in fs/ceph.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov 2015-03-25 21:02:16 +03:00
parent d8a2c89c86
commit ff40f9ae95
3 changed files with 50 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

34
fs/ceph/super.c
View file

@ -411,31 +411,20 @@ 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_mount_options *fsopt = fsc->mount_options;
struct ceph_options *opt = fsc->client->options;
size_t pos;
int ret;
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->flags & CEPH_OPT_NOMSGAUTH)
seq_puts(m, ",nocephx_require_signatures");
if ((opt->flags & CEPH_OPT_TCP_NODELAY) == 0)
seq_puts(m, ",notcp_nodelay");
/* a comma between MNT/MS and client options */
seq_putc(m, ',');
pos = m->count;
if (opt->name)
seq_printf(m, ",name=%s", opt->name);
if (opt->key)
seq_puts(m, ",secret=<hidden>");
ret = ceph_print_client_options(m, fsc->client);
if (ret)
return ret;
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);
/* retract our comma if no client options */
if (m->count == pos)
m->count--;
if (fsopt->flags & CEPH_MOUNT_OPT_DIRSTAT)
seq_puts(m, ",dirstat");
@ -482,6 +471,7 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root)
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);
return 0;
}

1
include/linux/ceph/libceph.h
View file

@ -191,6 +191,7 @@ 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);
int ceph_print_client_options(struct seq_file *m, struct ceph_client *client);
extern void ceph_destroy_options(struct ceph_options *opt);
extern int ceph_compare_options(struct ceph_options *new_opt,
struct ceph_client *client);

37
net/ceph/ceph_common.c
View file

@ -490,6 +490,43 @@ ceph_parse_options(char *options, const char *dev_name,
}
EXPORT_SYMBOL(ceph_parse_options);
int ceph_print_client_options(struct seq_file *m, struct ceph_client *client)
{
struct ceph_options *opt = client->options;
size_t pos = m->count;
if (opt->name)
seq_printf(m, "name=%s,", opt->name);
if (opt->key)
seq_puts(m, "secret=<hidden>,");
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->flags & CEPH_OPT_NOMSGAUTH)
seq_puts(m, "nocephx_require_signatures,");
if ((opt->flags & CEPH_OPT_TCP_NODELAY) == 0)
seq_puts(m, "notcp_nodelay,");
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);
/* drop redundant comma */
if (m->count != pos)
m->count--;
return 0;
}
EXPORT_SYMBOL(ceph_print_client_options);
u64 ceph_client_id(struct ceph_client *client)
{
return client->monc.auth->global_id;