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| author |   Ingo Molnar <mingo@kernel.org> | 2016-03-10 10:28:27 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-03-10 10:28:27 +0100 |
| commit | 6cbe9e4a228ce00b9fa10d56da6cb7985d7b10e9 (patch) | |
| tree | f8e52ed2acd6316d0832f084b4c633f1d19079aa /fs/ceph/mds_client.c | |
| parent | futex: Replace barrier() in unqueue_me() with READ_ONCE() (diff) | |
| parent | Merge tag 'spi-fix-v4.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi (diff) | |
| download | linux-dev-6cbe9e4a228ce00b9fa10d56da6cb7985d7b10e9.tar.xz linux-dev-6cbe9e4a228ce00b9fa10d56da6cb7985d7b10e9.zip | |
Merge branch 'linus' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/ceph/mds_client.c')
| -rw-r--r-- | fs/ceph/mds_client.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index e7b130a637f9..911d64d865f1 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -100,6 +100,14 @@ static int parse_reply_info_in(void **p, void *end, } else info->inline_version = CEPH_INLINE_NONE; + if (features & CEPH_FEATURE_FS_FILE_LAYOUT_V2) { + ceph_decode_32_safe(p, end, info->pool_ns_len, bad); + ceph_decode_need(p, end, info->pool_ns_len, bad); + *p += info->pool_ns_len; + } else { + info->pool_ns_len = 0; + } + return 0; bad: return err; @@ -2298,6 +2306,14 @@ int ceph_mdsc_do_request(struct ceph_mds_client *mdsc, ceph_get_cap_refs(ceph_inode(req->r_old_dentry_dir), CEPH_CAP_PIN); + /* deny access to directories with pool_ns layouts */ + if (req->r_inode && S_ISDIR(req->r_inode->i_mode) && + ceph_inode(req->r_inode)->i_pool_ns_len) + return -EIO; + if (req->r_locked_dir && + ceph_inode(req->r_locked_dir)->i_pool_ns_len) + return -EIO; + /* issue */ mutex_lock(&mdsc->mutex); __register_request(mdsc, req, dir); |