This is a note to let you know that I've just added the patch titled nlm: minor nlm_lookup_file argument change to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: nlm-minor-nlm_lookup_file-argument-change.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 52f65d9bcb776180238ec926ce5837ba733f597e Author: J. Bruce Fields <bfields@xxxxxxxxxxxx> Date: Mon Aug 23 12:01:18 2021 -0400 nlm: minor nlm_lookup_file argument change [ Upstream commit 2dc6f19e4f438d4c14987cb17aee38aaf7304e7f ] It'll come in handy to get the whole nlm_lock. Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx> Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/fs/lockd/svc4proc.c b/fs/lockd/svc4proc.c index 4c10fb5138f10..bc496bbd696b8 100644 --- a/fs/lockd/svc4proc.c +++ b/fs/lockd/svc4proc.c @@ -40,7 +40,8 @@ nlm4svc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp, /* Obtain file pointer. Not used by FREE_ALL call. */ if (filp != NULL) { - if ((error = nlm_lookup_file(rqstp, &file, &lock->fh)) != 0) + error = nlm_lookup_file(rqstp, &file, lock); + if (error) goto no_locks; *filp = file; diff --git a/fs/lockd/svcproc.c b/fs/lockd/svcproc.c index 4ae4b63b53925..f4e5e0eb30fd1 100644 --- a/fs/lockd/svcproc.c +++ b/fs/lockd/svcproc.c @@ -69,7 +69,7 @@ nlmsvc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp, /* Obtain file pointer. Not used by FREE_ALL call. */ if (filp != NULL) { - error = cast_status(nlm_lookup_file(rqstp, &file, &lock->fh)); + error = cast_status(nlm_lookup_file(rqstp, &file, lock)); if (error != 0) goto no_locks; *filp = file; diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c index 028fc152da22f..2d62633b39e51 100644 --- a/fs/lockd/svcsubs.c +++ b/fs/lockd/svcsubs.c @@ -82,31 +82,31 @@ static inline unsigned int file_hash(struct nfs_fh *f) */ __be32 nlm_lookup_file(struct svc_rqst *rqstp, struct nlm_file **result, - struct nfs_fh *f) + struct nlm_lock *lock) { struct nlm_file *file; unsigned int hash; __be32 nfserr; - nlm_debug_print_fh("nlm_lookup_file", f); + nlm_debug_print_fh("nlm_lookup_file", &lock->fh); - hash = file_hash(f); + hash = file_hash(&lock->fh); /* Lock file table */ mutex_lock(&nlm_file_mutex); hlist_for_each_entry(file, &nlm_files[hash], f_list) - if (!nfs_compare_fh(&file->f_handle, f)) + if (!nfs_compare_fh(&file->f_handle, &lock->fh)) goto found; - nlm_debug_print_fh("creating file for", f); + nlm_debug_print_fh("creating file for", &lock->fh); nfserr = nlm_lck_denied_nolocks; file = kzalloc(sizeof(*file), GFP_KERNEL); if (!file) goto out_unlock; - memcpy(&file->f_handle, f, sizeof(struct nfs_fh)); + memcpy(&file->f_handle, &lock->fh, sizeof(struct nfs_fh)); mutex_init(&file->f_mutex); INIT_HLIST_NODE(&file->f_list); INIT_LIST_HEAD(&file->f_blocks); @@ -117,7 +117,8 @@ nlm_lookup_file(struct svc_rqst *rqstp, struct nlm_file **result, * We have to make sure we have the right credential to open * the file. */ - if ((nfserr = nlmsvc_ops->fopen(rqstp, f, &file->f_file)) != 0) { + nfserr = nlmsvc_ops->fopen(rqstp, &lock->fh, &file->f_file); + if (nfserr) { dprintk("lockd: open failed (error %d)\n", nfserr); goto out_free; } diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index 666f5f310a041..81b71ad2040ac 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -286,7 +286,7 @@ void nlmsvc_locks_init_private(struct file_lock *, struct nlm_host *, pid_t); * File handling for the server personality */ __be32 nlm_lookup_file(struct svc_rqst *, struct nlm_file **, - struct nfs_fh *); + struct nlm_lock *); void nlm_release_file(struct nlm_file *); void nlmsvc_release_lockowner(struct nlm_lock *); void nlmsvc_mark_resources(struct net *);