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NFS: discard nfs_lockowner structure. 

It now has only one field and is only used in one structure.
So replaced it in that structure by the field it contains.

Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
NeilBrown 2016-10-13 15:26:47 +11:00 committed by Trond Myklebust
parent 8d42443166
commit d51fdb87a6
5 changed files with 6 additions and 10 deletions
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4
fs/nfs/inode.c
View File

@ -702,7 +702,7 @@ EXPORT_SYMBOL_GPL(nfs_getattr);
static void nfs_init_lock_context(struct nfs_lock_context *l_ctx) static void nfs_init_lock_context(struct nfs_lock_context *l_ctx)
{ {
atomic_set(&l_ctx->count, 1); atomic_set(&l_ctx->count, 1);
l_ctx->lockowner.l_owner = current->files; l_ctx->lockowner = current->files;
INIT_LIST_HEAD(&l_ctx->list); INIT_LIST_HEAD(&l_ctx->list);
atomic_set(&l_ctx->io_count, 0); atomic_set(&l_ctx->io_count, 0);
} }
@ -713,7 +713,7 @@ static struct nfs_lock_context *__nfs_find_lock_context(struct nfs_open_context
struct nfs_lock_context *pos = head; struct nfs_lock_context *pos = head;
do { do {
if (pos->lockowner.l_owner != current->files) if (pos->lockowner != current->files)
continue; continue;
atomic_inc(&pos->count); atomic_inc(&pos->count);
return pos; return pos;

2
fs/nfs/nfs4state.c
View File

@ -953,7 +953,7 @@ static int nfs4_copy_lock_stateid(nfs4_stateid *dst,
if (test_bit(LK_STATE_IN_USE, &state->flags) == 0) if (test_bit(LK_STATE_IN_USE, &state->flags) == 0)
goto out; goto out;
fl_owner = l_ctx->lockowner.l_owner; fl_owner = l_ctx->lockowner;
fl_flock_owner = l_ctx->open_context->flock_owner; fl_flock_owner = l_ctx->open_context->flock_owner;
spin_lock(&state->state_lock); spin_lock(&state->state_lock);

2
fs/nfs/pagelist.c
View File

@ -867,7 +867,7 @@ static void nfs_pageio_cleanup_mirroring(struct nfs_pageio_descriptor *pgio)
static bool nfs_match_lock_context(const struct nfs_lock_context *l1, static bool nfs_match_lock_context(const struct nfs_lock_context *l1,
const struct nfs_lock_context *l2) const struct nfs_lock_context *l2)
{ {
return l1->lockowner.l_owner == l2->lockowner.l_owner; return l1->lockowner == l2->lockowner;
} }
/** /**

2
fs/nfs/write.c
View File

@ -1151,7 +1151,7 @@ int nfs_flush_incompatible(struct file *file, struct page *page)
if (l_ctx && flctx && if (l_ctx && flctx &&
!(list_empty_careful(&flctx->flc_posix) && !(list_empty_careful(&flctx->flc_posix) &&
list_empty_careful(&flctx->flc_flock))) { list_empty_careful(&flctx->flc_flock))) {
do_flush |= l_ctx->lockowner.l_owner != current->files; do_flush |= l_ctx->lockowner != current->files;
} }
nfs_release_request(req); nfs_release_request(req);
if (!do_flush) if (!do_flush)

6
include/linux/nfs_fs.h
View File

@ -55,15 +55,11 @@ struct nfs_access_entry {
struct rcu_head rcu_head; struct rcu_head rcu_head;
}; };
struct nfs_lockowner {
fl_owner_t l_owner;
};
struct nfs_lock_context { struct nfs_lock_context {
atomic_t count; atomic_t count;
struct list_head list; struct list_head list;
struct nfs_open_context *open_context; struct nfs_open_context *open_context;
struct nfs_lockowner lockowner; fl_owner_t lockowner;
atomic_t io_count; atomic_t io_count;
}; };