diff options
author | Alex Elder <elder@inktank.com> | 2012-10-26 06:34:41 +0200 |
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committer | Alex Elder <elder@inktank.com> | 2012-10-30 14:34:29 +0100 |
commit | 78cea76e0580befaf561c6989f4fc985bc66c8f7 (patch) | |
tree | f2eea48bc6dc2264a1ae4d912bbec4298e16a14a /drivers/block/rbd.c | |
parent | rbd: rename snap_exists field (diff) | |
download | linux-78cea76e0580befaf561c6989f4fc985bc66c8f7.tar.xz linux-78cea76e0580befaf561c6989f4fc985bc66c8f7.zip |
rbd: move ceph_parse_options() call up
Move option parsing out of rbd_get_client() and into its caller.
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to '')
-rw-r--r-- | drivers/block/rbd.c | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 589f56542df0..e83bddcca34e 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -453,27 +453,11 @@ static int parse_rbd_opts_token(char *c, void *private) * Get a ceph client with specific addr and configuration, if one does * not exist create it. */ -static int rbd_get_client(struct rbd_device *rbd_dev, const char *mon_addr, - size_t mon_addr_len, char *options) +static int rbd_get_client(struct rbd_device *rbd_dev, + struct ceph_options *ceph_opts) { - struct rbd_options rbd_opts; - struct ceph_options *ceph_opts; struct rbd_client *rbdc; - /* Initialize all rbd options to the defaults */ - - rbd_opts.read_only = RBD_READ_ONLY_DEFAULT; - - ceph_opts = ceph_parse_options(options, mon_addr, - mon_addr + mon_addr_len, - parse_rbd_opts_token, &rbd_opts); - if (IS_ERR(ceph_opts)) - return PTR_ERR(ceph_opts); - - /* Record the parsed rbd options */ - - rbd_dev->mapping.read_only = rbd_opts.read_only; - rbdc = rbd_client_find(ceph_opts); if (rbdc) { /* using an existing client */ @@ -3132,9 +3116,11 @@ static ssize_t rbd_add(struct bus_type *bus, struct rbd_device *rbd_dev = NULL; const char *mon_addrs = NULL; size_t mon_addrs_size = 0; + char *snap_name; + struct rbd_options rbd_opts; + struct ceph_options *ceph_opts; struct ceph_osd_client *osdc; int rc = -ENOMEM; - char *snap_name; if (!try_module_get(THIS_MODULE)) return -ENODEV; @@ -3160,9 +3146,26 @@ static ssize_t rbd_add(struct bus_type *bus, goto err_out_mem; } - rc = rbd_get_client(rbd_dev, mon_addrs, mon_addrs_size - 1, options); - if (rc < 0) + /* Initialize all rbd options to the defaults */ + + rbd_opts.read_only = RBD_READ_ONLY_DEFAULT; + + ceph_opts = ceph_parse_options(options, mon_addrs, + mon_addrs + mon_addrs_size - 1, + parse_rbd_opts_token, &rbd_opts); + if (IS_ERR(ceph_opts)) { + rc = PTR_ERR(ceph_opts); goto err_out_args; + } + + /* Record the parsed rbd options */ + + rbd_dev->mapping.read_only = rbd_opts.read_only; + + rc = rbd_get_client(rbd_dev, ceph_opts); + if (rc < 0) + goto err_out_opts; + ceph_opts = NULL; /* ceph_opts now owned by rbd_dev client */ /* pick the pool */ osdc = &rbd_dev->rbd_client->client->osdc; @@ -3254,6 +3257,9 @@ err_out_client: kfree(rbd_dev->header_name); rbd_put_client(rbd_dev); kfree(rbd_dev->image_id); +err_out_opts: + if (ceph_opts) + ceph_destroy_options(ceph_opts); err_out_args: kfree(rbd_dev->snap_name); kfree(rbd_dev->image_name); |