diff options
| author | Xiubo Li <xiubli@redhat.com> | 2023-02-01 04:36:45 +0300 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2023-02-02 15:58:15 +0300 |
| commit | a68e564adcaa69b0930809fb64d9d5f7d9c32ba9 (patch) | |
| tree | 061fa00fa614c4a83aec06c620905dfe2a0eff5e /fs/ceph/addr.c | |
| parent | b38b17b6a01ca4e738af097a1529910646ef4270 (diff) | |
| download | linux-a68e564adcaa69b0930809fb64d9d5f7d9c32ba9.tar.xz | |
ceph: blocklist the kclient when receiving corrupted snap trace
When received corrupted snap trace we don't know what exactly has
happened in MDS side. And we shouldn't continue IOs and metadatas
access to MDS, which may corrupt or get incorrect contents.
This patch will just block all the further IO/MDS requests
immediately and then evict the kclient itself.
The reason why we still need to evict the kclient just after
blocking all the further IOs is that the MDS could revoke the caps
faster.
Link: https://tracker.ceph.com/issues/57686
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/addr.c')
| -rw-r--r-- | fs/ceph/addr.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 8c74871e37c9..cac4083e387a 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -305,7 +305,7 @@ static void ceph_netfs_issue_read(struct netfs_io_subrequest *subreq) struct inode *inode = rreq->inode; struct ceph_inode_info *ci = ceph_inode(inode); struct ceph_fs_client *fsc = ceph_inode_to_client(inode); - struct ceph_osd_request *req; + struct ceph_osd_request *req = NULL; struct ceph_vino vino = ceph_vino(inode); struct iov_iter iter; struct page **pages; @@ -313,6 +313,11 @@ static void ceph_netfs_issue_read(struct netfs_io_subrequest *subreq) int err = 0; u64 len = subreq->len; + if (ceph_inode_is_shutdown(inode)) { + err = -EIO; + goto out; + } + if (ceph_has_inline_data(ci) && ceph_netfs_issue_op_inline(subreq)) return; @@ -563,6 +568,9 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) dout("writepage %p idx %lu\n", page, page->index); + if (ceph_inode_is_shutdown(inode)) + return -EIO; + /* verify this is a writeable snap context */ snapc = page_snap_context(page); if (!snapc) { @@ -1643,7 +1651,7 @@ int ceph_uninline_data(struct file *file) struct ceph_inode_info *ci = ceph_inode(inode); struct ceph_fs_client *fsc = ceph_inode_to_client(inode); struct ceph_osd_request *req = NULL; - struct ceph_cap_flush *prealloc_cf; + struct ceph_cap_flush *prealloc_cf = NULL; struct folio *folio = NULL; u64 inline_version = CEPH_INLINE_NONE; struct page *pages[1]; @@ -1657,6 +1665,11 @@ int ceph_uninline_data(struct file *file) dout("uninline_data %p %llx.%llx inline_version %llu\n", inode, ceph_vinop(inode), inline_version); + if (ceph_inode_is_shutdown(inode)) { + err = -EIO; + goto out; + } + if (inline_version == CEPH_INLINE_NONE) return 0; |