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| author |   Yan, Zheng <zyan@redhat.com> | 2015-07-01 16:27:46 +0800 |
|---|---|---|
| committer |   Ilya Dryomov <idryomov@gmail.com> | 2015-09-08 23:14:28 +0300 |
| commit | 48fec5d0a504dfbb302cb1dd24ebb0b82a46cce9 (patch) | |
| tree | 41b4e0cf38951bf49372e1272a08c8264bf3d943 /fs/ceph/caps.c | |
| parent | Linux 4.2 (diff) | |
| download | linux-dev-48fec5d0a504dfbb302cb1dd24ebb0b82a46cce9.tar.xz linux-dev-48fec5d0a504dfbb302cb1dd24ebb0b82a46cce9.zip | |
ceph: EIO all operations after forced umount
This patch makes try_get_cap_refs() and __do_request() check
if the file system was forced umount, and return -EIO if it was.
This patch also adds a helper function to drops dirty caps and
wakes up blocking operation.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
Diffstat (limited to 'fs/ceph/caps.c')
| -rw-r--r-- | fs/ceph/caps.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index ddd5e9471290..27b566874bc1 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -2413,6 +2413,14 @@ again: goto out_unlock; } + if (!__ceph_is_any_caps(ci) && + ACCESS_ONCE(mdsc->fsc->mount_state) == CEPH_MOUNT_SHUTDOWN) { + dout("get_cap_refs %p forced umount\n", inode); + *err = -EIO; + ret = 1; + goto out_unlock; + } + dout("get_cap_refs %p have %s needed %s\n", inode, ceph_cap_string(have), ceph_cap_string(need)); } |