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| author | Henry C Chang <henry.cy.chang@gmail.com> | 2011-03-15 09:18:01 +0000 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2011-03-21 12:24:24 -0700 |
| commit | 78a255654fa7f01945dea0dcedcf5113b3ad9f93 (patch) | |
| tree | 87664950f3c8d68ba56e53034c6e9bcdf3a03699 /fs/ceph | |
| parent | 80456f8672f7e69d05c01627da03587dc1ea1603 (diff) | |
| download | linux-78a255654fa7f01945dea0dcedcf5113b3ad9f93.tar.gz linux-78a255654fa7f01945dea0dcedcf5113b3ad9f93.tar.bz2 linux-78a255654fa7f01945dea0dcedcf5113b3ad9f93.zip | |
ceph: remove request from unsafe list if it is canceled/timed out
This fixes the list corruption warning like this:
------------[ cut here ]------------
WARNING: at lib/list_debug.c:30 __list_add+0x68/0x81()
Hardware name: X8DTU
list_add corruption. prev->next should be next (ffff880618931250), but was (null). (prev=ffff880c188b9130).
Modules linked in: nfsd lockd nfs_acl auth_rpcgss exportfs ceph libceph libcrc32c sunrpc ipv6 fuse igb i2c_i801 ioatdma i2c_core iTCO_wdt iTCO_vendor_support joydev dca serio_raw usb_storage [last unloaded: scsi_wait_scan]
Pid: 10977, comm: smbd Tainted: G W 2.6.32.23-170.Elaster.xendom0.fc12.x86_64 #1
Call Trace:
[<ffffffff8105753c>] warn_slowpath_common+0x7c/0x94
[<ffffffff810575ab>] warn_slowpath_fmt+0x41/0x43
[<ffffffff812351a3>] __list_add+0x68/0x81
[<ffffffffa014799d>] ceph_aio_write+0x614/0x8a2 [ceph]
[<ffffffff8111d2a0>] do_sync_write+0xe8/0x125
[<ffffffff81075a1f>] ? autoremove_wake_function+0x0/0x39
[<ffffffff811f21ec>] ? selinux_file_permission+0x5c/0xb3
[<ffffffff811e8521>] ? security_file_permission+0x16/0x18
[<ffffffff8111d864>] vfs_write+0xae/0x10b
[<ffffffff8111d91b>] sys_pwrite64+0x5a/0x76
[<ffffffff81012d32>] system_call_fastpath+0x16/0x1b
---[ end trace 08573eb9f07ff6f4 ]---
Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph')
| -rw-r--r-- | fs/ceph/file.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 7d0e4a82d898..db5d86309744 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -568,7 +568,14 @@ more: spin_unlock(&ci->i_unsafe_lock); ceph_get_cap_refs(ci, CEPH_CAP_FILE_WR); } + ret = ceph_osdc_wait_request(&fsc->client->osdc, req); + if (ret < 0 && req->r_safe_callback) { + spin_lock(&ci->i_unsafe_lock); + list_del_init(&req->r_unsafe_item); + spin_unlock(&ci->i_unsafe_lock); + ceph_put_cap_refs(ci, CEPH_CAP_FILE_WR); + } } if (file->f_flags & O_DIRECT) |