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Diffstat (limited to 'ANDROID_3.4.5/fs/lockd/svcshare.c')
-rw-r--r--ANDROID_3.4.5/fs/lockd/svcshare.c106
1 files changed, 0 insertions, 106 deletions
diff --git a/ANDROID_3.4.5/fs/lockd/svcshare.c b/ANDROID_3.4.5/fs/lockd/svcshare.c
deleted file mode 100644
index b0ae0700..00000000
--- a/ANDROID_3.4.5/fs/lockd/svcshare.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * linux/fs/lockd/svcshare.c
- *
- * Management of DOS shares.
- *
- * Copyright (C) 1996 Olaf Kirch <okir@monad.swb.de>
- */
-
-#include <linux/time.h>
-#include <linux/unistd.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-
-#include <linux/sunrpc/clnt.h>
-#include <linux/sunrpc/svc.h>
-#include <linux/lockd/lockd.h>
-#include <linux/lockd/share.h>
-
-static inline int
-nlm_cmp_owner(struct nlm_share *share, struct xdr_netobj *oh)
-{
- return share->s_owner.len == oh->len
- && !memcmp(share->s_owner.data, oh->data, oh->len);
-}
-
-__be32
-nlmsvc_share_file(struct nlm_host *host, struct nlm_file *file,
- struct nlm_args *argp)
-{
- struct nlm_share *share;
- struct xdr_netobj *oh = &argp->lock.oh;
- u8 *ohdata;
-
- for (share = file->f_shares; share; share = share->s_next) {
- if (share->s_host == host && nlm_cmp_owner(share, oh))
- goto update;
- if ((argp->fsm_access & share->s_mode)
- || (argp->fsm_mode & share->s_access ))
- return nlm_lck_denied;
- }
-
- share = kmalloc(sizeof(*share) + oh->len,
- GFP_KERNEL);
- if (share == NULL)
- return nlm_lck_denied_nolocks;
-
- /* Copy owner handle */
- ohdata = (u8 *) (share + 1);
- memcpy(ohdata, oh->data, oh->len);
-
- share->s_file = file;
- share->s_host = host;
- share->s_owner.data = ohdata;
- share->s_owner.len = oh->len;
- share->s_next = file->f_shares;
- file->f_shares = share;
-
-update:
- share->s_access = argp->fsm_access;
- share->s_mode = argp->fsm_mode;
- return nlm_granted;
-}
-
-/*
- * Delete a share.
- */
-__be32
-nlmsvc_unshare_file(struct nlm_host *host, struct nlm_file *file,
- struct nlm_args *argp)
-{
- struct nlm_share *share, **shpp;
- struct xdr_netobj *oh = &argp->lock.oh;
-
- for (shpp = &file->f_shares; (share = *shpp) != NULL;
- shpp = &share->s_next) {
- if (share->s_host == host && nlm_cmp_owner(share, oh)) {
- *shpp = share->s_next;
- kfree(share);
- return nlm_granted;
- }
- }
-
- /* X/Open spec says return success even if there was no
- * corresponding share. */
- return nlm_granted;
-}
-
-/*
- * Traverse all shares for a given file, and delete
- * those owned by the given (type of) host
- */
-void nlmsvc_traverse_shares(struct nlm_host *host, struct nlm_file *file,
- nlm_host_match_fn_t match)
-{
- struct nlm_share *share, **shpp;
-
- shpp = &file->f_shares;
- while ((share = *shpp) != NULL) {
- if (match(share->s_host, host)) {
- *shpp = share->s_next;
- kfree(share);
- continue;
- }
- shpp = &share->s_next;
- }
-}