diff options
Diffstat (limited to 'fs/ceph/super.c')
| -rw-r--r-- | fs/ceph/super.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ceph/super.c b/fs/ceph/super.c index 2b2a260acb24..caf9801712ca 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -233,7 +233,9 @@ static int parse_fsopt_token(char *c, void *private) break; /* misc */ case Opt_wsize: - fsopt->wsize = intval; + if (intval < PAGE_SIZE || intval > CEPH_MAX_WRITE_SIZE) + return -EINVAL; + fsopt->wsize = ALIGN(intval, PAGE_SIZE); break; case Opt_rsize: if (intval < PAGE_SIZE || intval > CEPH_MAX_READ_SIZE) @@ -392,6 +394,7 @@ static int parse_mount_options(struct ceph_mount_options **pfsopt, fsopt->sb_flags = flags; fsopt->flags = CEPH_MOUNT_OPT_DEFAULT; + fsopt->wsize = CEPH_MAX_WRITE_SIZE; fsopt->rsize = CEPH_MAX_READ_SIZE; fsopt->rasize = CEPH_RASIZE_DEFAULT; fsopt->snapdir_name = kstrdup(CEPH_SNAPDIRNAME_DEFAULT, GFP_KERNEL); |