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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-23 05:09:31 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-23 05:09:31 +0300 |
| commit | b03fcfaef3538390cfb5e8d268fcdc5c828af1c7 (patch) | |
| tree | bcb801c3f464710f4101ddc57f819ea0c3a8a636 /fs | |
| parent | e2577d229374efc49f6479f42a54c3bd44a6008d (diff) | |
| parent | 717e6f2893eb35ce6728c3cacdc297b78d371b31 (diff) | |
| download | linux-b03fcfaef3538390cfb5e8d268fcdc5c828af1c7.tar.xz | |
Merge tag 'ceph-for-4.14-rc2' of git://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"Two small but important fixes: RADOS semantic change in upcoming v12.2.1
release and a rare NULL dereference in create_session_open_msg()"
* tag 'ceph-for-4.14-rc2' of git://github.com/ceph/ceph-client:
ceph: avoid panic in create_session_open_msg() if utsname() returns NULL
libceph: don't allow bidirectional swap of pg-upmap-items
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ceph/mds_client.c | 7 | ||||
| -rw-r--r-- | fs/ceph/mds_client.h | 3 |
2 files changed, 7 insertions, 3 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 9dd6b836ac9e..84edfc60d87a 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -7,7 +7,6 @@ #include <linux/sched.h> #include <linux/debugfs.h> #include <linux/seq_file.h> -#include <linux/utsname.h> #include <linux/ratelimit.h> #include "super.h" @@ -884,8 +883,8 @@ static struct ceph_msg *create_session_open_msg(struct ceph_mds_client *mdsc, u6 void *p; const char* metadata[][2] = { - {"hostname", utsname()->nodename}, - {"kernel_version", utsname()->release}, + {"hostname", mdsc->nodename}, + {"kernel_version", init_utsname()->release}, {"entity_id", opt->name ? : ""}, {"root", fsopt->server_path ? : "/"}, {NULL, NULL} @@ -3539,6 +3538,8 @@ int ceph_mdsc_init(struct ceph_fs_client *fsc) init_rwsem(&mdsc->pool_perm_rwsem); mdsc->pool_perm_tree = RB_ROOT; + strncpy(mdsc->nodename, utsname()->nodename, + sizeof(mdsc->nodename) - 1); return 0; } diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index db57ae98ed34..636d6b2ec49c 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -8,6 +8,7 @@ #include <linux/rbtree.h> #include <linux/spinlock.h> #include <linux/refcount.h> +#include <linux/utsname.h> #include <linux/ceph/types.h> #include <linux/ceph/messenger.h> @@ -368,6 +369,8 @@ struct ceph_mds_client { struct rw_semaphore pool_perm_rwsem; struct rb_root pool_perm_tree; + + char nodename[__NEW_UTS_LEN + 1]; }; extern const char *ceph_mds_op_name(int op); |