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Date: Sat, 9 Aug 2014 15:46:53 -0400
From: "J. Bruce Fields" <bfields@...ldses.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PULL] nfsd changes for 3.17
Please pull nfsd changes for 3.17 from
git://linux-nfs.org/~bfields/linux.git for-3.17
This includes a major rewrite of the NFSv4 state code, which has always
depended on a single mutex. As an example, open creates are no longer
serialized, fixing a performance regression on NFSv3->NFSv4 upgrades.
Thanks to Jeff, Trond, and Benny, and to Christoph for review.
Also some RDMA fixes from Chuck Lever and Steve Wise, and miscellaneous
fixes from Kinglong Mee and others.
--b.
----------------------------------------------------------------
Christoph Hellwig (1):
nfsd: fix file access refcount leak when nfsd4_truncate fails
Chuck Lever (3):
svcrdma: Select NFSv4.1 backchannel transport based on forward channel
svcrdma: Add zero padding if the client doesn't send it
svcrdma: Double the default credit limit
Himangi Saraogi (1):
nfsd4: convert comma to semicolon
J. Bruce Fields (11):
nfsd: fix rare symlink decoding bug
nfsd: make NFSv2 null terminate symlink data
nfsd: let nfsd_symlink assume null-terminated data
nfsd4: rename cr_linkname->cr_data
nfsd4: remove unused defer_free argument
nfsd4: define svcxdr_dupstr to share some common code
nfsd4: remove nfs4_acl_new
nfsd4: replace defer_free by svcxdr_tmpalloc
nfsd4: zero op arguments beyond the 8th compound op
nfsd4: CREATE_SESSION should update backchannel immediately
nfsd4: fix out of date comment
Jeff Layton (77):
nfsd: add __force to opaque verifier field casts
nfsd: clean up sparse endianness warnings in nfscache.c
nfsd: nfsd_splice_read and nfsd_readv should return __be32
nfsd: add appropriate __force directives to filehandle generation code
nfsd: fix return of nfs4_acl_write_who
nfsd: properly handle embedded newlines in fault_injection input
nfsd: add a new /proc/fs/nfsd/max_connections file
nfsd: declare v4.1+ openowners confirmed on creation
nfsd: Allow lockowners to hold several stateids
nfsd: clean up nfsd4_release_lockowner
nfsd: properly convert return from commit_metadata to __be32
nfsd: add a nfserrno mapping for -E2BIG to nfserr_fbig
nfsd: Allow struct nfsd4_compound_state to cache the nfs4_client
nfsd: close potential race between delegation break and laundromat
nfsd: reduce some spinlocking in put_client_renew
nfsd: refactor nfs4_file_get_access and nfs4_file_put_access
nfsd: remove nfs4_file_put_fd
nfsd: shrink st_access_bmap and st_deny_bmap
nfsd: set stateid access and deny bits in nfs4_get_vfs_file
nfsd: clean up reset_union_bmap_deny
nfsd: always hold the fi_lock when bumping fi_access refcounts
nfsd: make deny mode enforcement more efficient and close races in it
nfsd: cleanup and rename nfs4_check_open
nfsd: eliminate nfsd4_init_callback
nfsd: Avoid taking state_lock while holding inode lock in nfsd_break_one_deleg
nfsd: nfs4_alloc_init_lease should take a nfs4_file arg
nfsd: silence sparse warning about accessing credentials
nfsd: fix race that grants unrecallable delegation
nfsd: bump dl_time when unhashing delegation
nfsd: ensure that st_access_bmap and st_deny_bmap are initialized to 0
nfsd: Do not let nfs4_file pin the struct inode
nfsd: fully unhash delegations when revoking them
nfsd: ensure that clp->cl_revoked list is protected by clp->cl_lock
nfsd: drop unused stp arg to alloc_init_deleg
nfsd: clean up arguments to nfs4_open_delegation
nfsd: clean up nfs4_set_delegation
nfsd: give block_delegation and delegation_blocked its own spinlock
nfsd: remove dl_fh field from struct nfs4_delegation
nfsd: print status when nfsd4_open fails to open file it just created
nfsd4: use cl_lock to synchronize all stateid idr calls
nfsd: do filp_close in sc_free callback for lock stateids
nfsd: Add locking to protect the state owner lists
nfsd: clean up races in lock stateid searching and creation
nfsd: ensure atomicity in nfsd4_free_stateid and nfsd4_validate_stateid
nfsd: Add reference counting to state owners
nfsd: Add a mutex to protect the NFSv4.0 open owner replay cache
nfsd: clean up lockowner refcounting when finding them
nfsd: add an operation for unhashing a stateowner
nfsd: clean up refcounting for lockowners
nfsd: make openstateids hold references to their openowners
nfsd: don't allow CLOSE to proceed until refcount on stateid drops
nfsd: clean up and reorganize release_lockowner
nfsd: add locking to stateowner release
nfsd: optimize destroy_lockowner cl_lock thrashing
nfsd: close potential race in nfsd4_free_stateid
nfsd: reduce cl_lock thrashing in release_openowner
nfsd: don't thrash the cl_lock while freeing an open stateid
nfsd: rename unhash_generic_stateid to unhash_ol_stateid
nfsd: Protect session creation and client confirm using client_lock
nfsd: protect the close_lru list and oo_last_closed_stid with client_lock
nfsd: move unhash_client_locked call into mark_client_expired_locked
nfsd: don't destroy client if mark_client_expired_locked fails
nfsd: don't destroy clients that are busy
nfsd: protect clid and verifier generation with client_lock
nfsd: abstract out the get and set routines into the fault injection ops
nfsd: add a forget_clients "get" routine with proper locking
nfsd: add a forget_client set_clnt routine
nfsd: add nfsd_inject_forget_clients
nfsd: add a list_head arg to nfsd_foreach_client_lock
nfsd: add more granular locking to forget_locks fault injector
nfsd: add more granular locking to forget_openowners fault injector
nfsd: add more granular locking to *_delegations fault injectors
nfsd: remove old fault injection infrastructure
nfsd: remove nfs4_lock_state: nfs4_laundromat
nfsd: remove nfs4_lock_state: nfs4_state_shutdown_net
nfsd: remove the client_mutex and the nfs4_lock/unlock_state wrappers
nfsd: add some comments to the nfsd4 object definitions
Kinglong Mee (11):
NFSD: Using min/max/min_t/max_t for calculate
SUNRPC/NFSD: Change to type of bool for rq_usedeferral and rq_splice_ok
NFSD: Using path_get when assigning path for export
NFSD: Using exp_get for export getting
NFSD: Avoid warning message when compile at i686 arch
NFSD: Remove iattr parameter from nfsd_symlink()
NFSD: Fix memory leak in encoding denied lock
NFSD: Check acl returned from get_acl/posix_acl_from_mode
NFSD: Fix bad checking of space for padding in splice read
NFSD: Decrease nfsd_users in nfsd_startup_generic fail
NFSD: Put the reference of nfs4_file when freeing stid
Steve Wise (2):
svcrdma: send_write() must not overflow the device's max sge
svcrdma: remove rdma_create_qp() failure recovery logic
Trond Myklebust (61):
nfsd: Protect addition to the file_hashtbl
nfsd: Ensure that nfsd_create_setattr commits files to stable storage
nfsd: nfs4_preprocess_seqid_op should only set *stpp on success
nfsd: Cleanup nfs4svc_encode_compoundres
nfsd: clean up nfsd4_close_open_stateid
nfsd: lock owners are not per open stateid
nfsd: NFSv4 lock-owners are not associated to a specific file
nfsd: Don't get a session reference without a client reference
nfsd: Cleanup - Let nfsd4_lookup_stateid() take a cstate argument
nfsd: Convert nfsd4_process_open1() to work with lookup_clientid()
nfsd: Always use lookup_clientid() in nfsd4_process_open1
nfsd: Convert nfs4_check_open_reclaim() to work with lookup_clientid()
nfsd: Add fine grained protection for the nfs4_file->fi_stateids list
nfsd: Add locking to the nfs4_file->fi_fds[] array
nfsd: clean up helper __release_lock_stateid
nfsd: Ensure stateids remain unique until they are freed
SUNRPC: xdr_get_next_encode_buffer should be declared static
nfsd: Move the delegation reference counter into the struct nfs4_stid
nfsd: Store the filehandle with the struct nfs4_file
nfsd: Use the filehandle to look up the struct nfs4_file instead of inode
nfsd: nfs4_check_fh - make it actually check the filehandle
nfsd: simplify stateid allocation and file handling
nfsd: Convert delegation counter to an atomic_long_t type
SUNRPC: Reduce contention in svc_xprt_enqueue()
SUNRPC: svc_tcp_write_space: don't clear SOCK_NOSPACE prematurely
SUNRPC: Allow svc_reserve() to notify TCP socket that space has been freed
nfsd: Add reference counting to the lock and open stateids
nfsd: Add a struct nfs4_file field to struct nfs4_stid
nfsd: Add reference counting to lock stateids
nfsd: nfsd4_locku() must reference the lock stateid
nfsd: Ensure that nfs4_open_delegation() references the delegation stateid
nfsd: nfsd4_process_open2() must reference the delegation stateid
nfsd: nfsd4_process_open2() must reference the open stateid
nfsd: Prepare nfsd4_close() for open stateid referencing
nfsd: nfsd4_open_confirm() must reference the open stateid
nfsd: Add reference counting to nfs4_preprocess_confirmed_seqid_op
nfsd: Migrate the stateid reference into nfs4_preprocess_seqid_op
nfsd: Migrate the stateid reference into nfs4_lookup_stateid()
nfsd: Migrate the stateid reference into nfs4_find_stateid_by_type()
nfsd: Make lock stateid take a reference to the lockowner
nfsd: Protect adding/removing open state owners using client_lock
nfsd: Protect adding/removing lock owners using client_lock
nfsd: Move the open owner hash table into struct nfs4_client
nfsd: Ensure struct nfs4_client is unhashed before we try to destroy it
nfsd: Ensure that the laundromat unhashes the client before releasing locks
nfsd: Don't require client_lock in free_client
nfsd: Move create_client() call outside the lock
nfsd: Protect unconfirmed client creation using client_lock
nfsd: Protect nfsd4_destroy_clientid using client_lock
nfsd: Ensure lookup_clientid() takes client_lock
nfsd: Add lockdep assertions to document the nfs4_client/session locking
nfsd: Remove nfs4_lock_state(): nfs4_preprocess_stateid_op()
nfsd: Remove nfs4_lock_state(): nfsd4_test_stateid/nfsd4_free_stateid
nfsd: Remove nfs4_lock_state(): nfsd4_release_lockowner
nfsd: Remove nfs4_lock_state(): nfsd4_lock/locku/lockt()
nfsd: Remove nfs4_lock_state(): nfsd4_open_downgrade + nfsd4_close
nfsd: Remove nfs4_lock_state(): nfsd4_delegreturn()
nfsd: Remove nfs4_lock_state(): nfsd4_open and nfsd4_open_confirm
nfsd: Remove nfs4_lock_state(): exchange_id, create/destroy_session()
nfsd: Remove nfs4_lock_state(): setclientid, setclientid_confirm, renew
nfsd: Remove nfs4_lock_state(): reclaim_complete()
fs/nfsd/acl.h | 2 +-
fs/nfsd/auth.c | 2 +-
fs/nfsd/export.c | 6 +-
fs/nfsd/export.h | 3 +-
fs/nfsd/fault_inject.c | 138 +-
fs/nfsd/netns.h | 23 +-
fs/nfsd/nfs2acl.c | 8 +-
fs/nfsd/nfs3acl.c | 8 +-
fs/nfsd/nfs3proc.c | 9 +-
fs/nfsd/nfs3xdr.c | 30 +-
fs/nfsd/nfs4acl.c | 39 +-
fs/nfsd/nfs4callback.c | 32 +-
fs/nfsd/nfs4proc.c | 62 +-
fs/nfsd/nfs4state.c | 3100 ++++++++++++++++++++----------
fs/nfsd/nfs4xdr.c | 123 +-
fs/nfsd/nfscache.c | 13 +-
fs/nfsd/nfsctl.c | 51 +-
fs/nfsd/nfsfh.c | 12 +-
fs/nfsd/nfsfh.h | 15 +-
fs/nfsd/nfsproc.c | 13 +-
fs/nfsd/nfssvc.c | 21 +-
fs/nfsd/nfsxdr.c | 14 +-
fs/nfsd/state.h | 220 ++-
fs/nfsd/vfs.c | 48 +-
fs/nfsd/vfs.h | 8 +-
fs/nfsd/xdr4.h | 30 +-
include/linux/cred.h | 9 +
include/linux/sunrpc/svc.h | 4 +-
include/linux/sunrpc/svc_rdma.h | 3 +-
include/linux/sunrpc/svc_xprt.h | 2 +
net/sunrpc/auth_gss/svcauth_gss.c | 2 +-
net/sunrpc/svc.c | 4 +-
net/sunrpc/svc_xprt.c | 27 +-
net/sunrpc/svcsock.c | 50 +-
net/sunrpc/xdr.c | 3 +-
net/sunrpc/xprt.c | 2 +-
net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 28 +
net/sunrpc/xprtrdma/svc_rdma_sendto.c | 39 +-
net/sunrpc/xprtrdma/svc_rdma_transport.c | 20 +-
39 files changed, 2755 insertions(+), 1468 deletions(-)
--
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