kernel_samsung_a53x/fs/nfsd
J. Bruce Fields c2cd7e6a64 nfs: don't allow reexport reclaims
[ Upstream commit bb0a55bb7148a49e549ee992200860e7a040d3a5 ]

In the reexport case, nfsd is currently passing along locks with the
reclaim bit set.  The client sends a new lock request, which is granted
if there's currently no conflict--even if it's possible a conflicting
lock could have been briefly held in the interim.

We don't currently have any way to safely grant reclaim, so for now
let's just deny them all.

I'm doing this by passing the reclaim bit to nfs and letting it fail the
call, with the idea that eventually the client might be able to do
something more forgiving here.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Acked-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-11-19 12:27:44 +01:00
..
acl.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
auth.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
auth.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
blocklayout.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
blocklayoutxdr.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
blocklayoutxdr.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cache.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
current_stateid.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
export.c nfsd: report per-export stats 2024-11-19 12:27:31 +01:00
export.h nfsd: report per-export stats 2024-11-19 12:27:31 +01:00
fault_inject.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
filecache.c nfsd: Fix error return code in nfsd_file_cache_init() 2024-11-19 12:27:20 +01:00
filecache.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
flexfilelayout.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
flexfilelayoutxdr.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
flexfilelayoutxdr.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
idmap.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Kconfig NFSv4.2: Remove ifdef CONFIG_NFSD from NFSv4.2 client SSC code. 2024-11-19 12:27:37 +01:00
lockd.c Keep read and write fds with each nlm_file 2024-11-19 12:27:44 +01:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
netns.h NFSD: delay unmount source's export after inter-server copy completed. 2024-11-19 12:27:39 +01:00
nfs2acl.c NFSD: Update the NFSv2 ACL ACCESS result encoder to use struct xdr_stream 2024-11-19 12:27:35 +01:00
nfs3acl.c nfsd: fix NULL dereference in nfs3svc_encode_getaclres 2024-11-19 12:27:42 +01:00
nfs3proc.c NFSD: Reduce svc_rqst::rq_pages churn during READDIR operations 2024-11-19 12:27:34 +01:00
nfs3xdr.c NFSD: Clean up NFSDDBG_FACILITY macro 2024-11-19 12:27:36 +01:00
nfs4acl.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4callback.c nfsd: rpc_peeraddr2str needs rcu lock 2024-11-19 12:27:39 +01:00
nfs4idmap.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4layouts.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4proc.c nfsd: remove redundant assignment to pointer 'this' 2024-11-19 12:27:41 +01:00
nfs4recover.c nfsd: Log client tracking type log message as info instead of warning 2024-11-19 12:27:36 +01:00
nfs4state.c nfs: don't allow reexport reclaims 2024-11-19 12:27:44 +01:00
nfs4xdr.c NFSD: Extract the svcxdr_init_encode() helper 2024-11-19 12:27:33 +01:00
nfscache.c nfsd: protect concurrent access to nfsd stats counters 2024-11-19 12:27:31 +01:00
nfsctl.c nfsd: Fix fall-through warnings for Clang 2024-11-19 12:27:37 +01:00
nfsd.h NFSD: delay unmount source's export after inter-server copy completed. 2024-11-19 12:27:39 +01:00
nfsfh.c NFSD: Update the GETATTR3res encoder to use struct xdr_stream 2024-11-19 12:27:33 +01:00
nfsfh.h NFSD: Constify @fh argument of knfsd_fh_hash() 2024-11-19 12:27:38 +01:00
nfsproc.c nfs: don't allow reexport reclaims 2024-11-19 12:27:44 +01:00
nfssvc.c NFSD: delay unmount source's export after inter-server copy completed. 2024-11-19 12:27:39 +01:00
nfsxdr.c NFSD: Clean up NFSDDBG_FACILITY macro 2024-11-19 12:27:36 +01:00
pnfs.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
state.h nfsd: track filehandle aliasing in nfs4_files 2024-11-19 12:27:37 +01:00
stats.c nfsd: protect concurrent access to nfsd stats counters 2024-11-19 12:27:31 +01:00
stats.h nfsd: report per-export stats 2024-11-19 12:27:31 +01:00
trace.c NFSD: Add SPDX header for fs/nfsd/trace.c 2024-11-19 12:27:20 +01:00
trace.h NFSD: Prevent a possible oops in the nfs_dirent() tracepoint 2024-11-19 12:27:41 +01:00
vfs.c NFSD: remove vanity comments 2024-11-19 12:27:44 +01:00
vfs.h NFSD: Update the NFSv3 ACCESS3res encoder to use struct xdr_stream 2024-11-19 12:27:33 +01:00
xdr.h NFSD: Clean up after updating NFSv2 ACL encoders 2024-11-19 12:27:35 +01:00
xdr3.h NFSD: Clean up after updating NFSv3 ACL encoders 2024-11-19 12:27:35 +01:00
xdr4.h NFSD add vfs_fsync after async copy is done 2024-11-19 12:27:39 +01:00
xdr4cb.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00