Skip to main content

Browse the archive

https://github.com/torvalds/linux
23 October 2021, 00:29:24 UTC
Revision 4b8222870032715f9d995f3eb7c7acd8379a275d authored by Jeff Layton on 15 April 2019, 16:00:42 UTC, committed by Ilya Dryomov on 23 April 2019, 19:37:54 UTC 
ceph: handle the case where a dentry has been renamed on outstanding req
 
It's possible for us to issue a lookup to revalidate a dentry
concurrently with a rename. If done in the right order, then we could
end up processing dentry info in the reply that no longer reflects the
state of the dentry.

If req->r_dentry->d_name differs from the one in the trace, then just
ignore the trace in the reply. We only need to do this however if the
parent's i_rwsem is not held.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
1 parent 76a495d
History
Tip revision: 4b8222870032715f9d995f3eb7c7acd8379a275d authored by Jeff Layton on 15 April 2019, 16:00:42 UTC
ceph: handle the case where a dentry has been renamed on outstanding req
Tip revision: 4b82228
File Mode Size
acpi
asm-generic
clocksource
crypto
drm
dt-bindings
keys
kvm
linux
math-emu
media
memory
misc
net
pcmcia
ras
rdma
scsi
soc
sound
target
trace
uapi
video
xen
back to top