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-rw-r--r--fs/lockd/clntlock.c54
-rw-r--r--fs/lockd/clntproc.c11
-rw-r--r--fs/lockd/host.c2
-rw-r--r--fs/locks.c5
-rw-r--r--include/linux/fs.h2
-rw-r--r--include/linux/lockd/lockd.h2
-rw-r--r--include/linux/nfs_fs_i.h8
7 files changed, 21 insertions, 63 deletions
diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index 8ae79ae4b99..0fc0ee267b0 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -155,34 +155,6 @@ u32 nlmclnt_grant(const struct sockaddr_in *addr, const struct nlm_lock *lock)
*/
/*
- * Mark the locks for reclaiming.
- * FIXME: In 2.5 we don't want to iterate through any global file_lock_list.
- * Maintain NLM lock reclaiming lists in the nlm_host instead.
- */
-static
-void nlmclnt_mark_reclaim(struct nlm_host *host)
-{
- struct file_lock *fl;
- struct inode *inode;
- struct list_head *tmp;
-
- list_for_each(tmp, &file_lock_list) {
- fl = list_entry(tmp, struct file_lock, fl_link);
-
- inode = fl->fl_file->f_dentry->d_inode;
- if (inode->i_sb->s_magic != NFS_SUPER_MAGIC)
- continue;
- if (fl->fl_u.nfs_fl.owner == NULL)
- continue;
- if (fl->fl_u.nfs_fl.owner->host != host)
- continue;
- if (!(fl->fl_u.nfs_fl.flags & NFS_LCK_GRANTED))
- continue;
- fl->fl_u.nfs_fl.flags |= NFS_LCK_RECLAIM;
- }
-}
-
-/*
* Someone has sent us an SM_NOTIFY. Ensure we bind to the new port number,
* that we mark locks for reclaiming, and that we bump the pseudo NSM state.
*/
@@ -194,7 +166,12 @@ void nlmclnt_prepare_reclaim(struct nlm_host *host, u32 newstate)
host->h_state++;
host->h_nextrebind = 0;
nlm_rebind_host(host);
- nlmclnt_mark_reclaim(host);
+
+ /*
+ * Mark the locks for reclaiming.
+ */
+ list_splice_init(&host->h_granted, &host->h_reclaim);
+
dprintk("NLM: reclaiming locks for host %s", host->h_name);
}
@@ -223,9 +200,7 @@ reclaimer(void *ptr)
{
struct nlm_host *host = (struct nlm_host *) ptr;
struct nlm_wait *block;
- struct list_head *tmp;
- struct file_lock *fl;
- struct inode *inode;
+ struct file_lock *fl, *next;
daemonize("%s-reclaim", host->h_name);
allow_signal(SIGKILL);
@@ -237,20 +212,9 @@ reclaimer(void *ptr)
/* First, reclaim all locks that have been marked. */
restart:
- list_for_each(tmp, &file_lock_list) {
- fl = list_entry(tmp, struct file_lock, fl_link);
-
- inode = fl->fl_file->f_dentry->d_inode;
- if (inode->i_sb->s_magic != NFS_SUPER_MAGIC)
- continue;
- if (fl->fl_u.nfs_fl.owner == NULL)
- continue;
- if (fl->fl_u.nfs_fl.owner->host != host)
- continue;
- if (!(fl->fl_u.nfs_fl.flags & NFS_LCK_RECLAIM))
- continue;
+ list_for_each_entry_safe(fl, next, &host->h_reclaim, fl_u.nfs_fl.list) {
+ list_del(&fl->fl_u.nfs_fl.list);
- fl->fl_u.nfs_fl.flags &= ~NFS_LCK_RECLAIM;
nlmclnt_reclaim(host, fl);
if (signalled())
break;
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 80ae3127699..cb469431bd1 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -465,7 +465,6 @@ static void nlmclnt_locks_init_private(struct file_lock *fl, struct nlm_host *ho
{
BUG_ON(fl->fl_ops != NULL);
fl->fl_u.nfs_fl.state = 0;
- fl->fl_u.nfs_fl.flags = 0;
fl->fl_u.nfs_fl.owner = nlm_find_lockowner(host, fl->fl_owner);
fl->fl_ops = &nlmclnt_lock_ops;
}
@@ -552,8 +551,8 @@ nlmclnt_lock(struct nlm_rqst *req, struct file_lock *fl)
if (resp->status == NLM_LCK_GRANTED) {
fl->fl_u.nfs_fl.state = host->h_state;
- fl->fl_u.nfs_fl.flags |= NFS_LCK_GRANTED;
fl->fl_flags |= FL_SLEEP;
+ list_add_tail(&fl->fl_u.nfs_fl.list, &host->h_granted);
do_vfs_lock(fl);
}
status = nlm_stat_to_errno(resp->status);
@@ -619,9 +618,11 @@ nlmclnt_unlock(struct nlm_rqst *req, struct file_lock *fl)
struct nlm_res *resp = &req->a_res;
int status;
- /* Clean the GRANTED flag now so the lock doesn't get
- * reclaimed while we're stuck in the unlock call. */
- fl->fl_u.nfs_fl.flags &= ~NFS_LCK_GRANTED;
+ /*
+ * Remove from the granted list now so the lock doesn't get
+ * reclaimed while we're stuck in the unlock call.
+ */
+ list_del(&fl->fl_u.nfs_fl.list);
/*
* Note: the server is supposed to either grant us the unlock
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index 100e7822970..f456f8ed9ac 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -123,6 +123,8 @@ nlm_lookup_host(int server, struct sockaddr_in *sin,
nlm_hosts[hash] = host;
INIT_LIST_HEAD(&host->h_lockowners);
spin_lock_init(&host->h_lock);
+ INIT_LIST_HEAD(&host->h_granted);
+ INIT_LIST_HEAD(&host->h_reclaim);
if (++nrhosts > NLM_HOST_MAX)
next_gc = 0;
diff --git a/fs/locks.c b/fs/locks.c
index c83b5dbe0ed..56f996e98bb 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -139,10 +139,7 @@ int lease_break_time = 45;
#define for_each_lock(inode, lockp) \
for (lockp = &inode->i_flock; *lockp != NULL; lockp = &(*lockp)->fl_next)
-LIST_HEAD(file_lock_list);
-
-EXPORT_SYMBOL(file_lock_list);
-
+static LIST_HEAD(file_lock_list);
static LIST_HEAD(blocked_list);
static kmem_cache_t *filelock_cache;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index d2cffee8fc1..5dc0fa288a4 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -730,8 +730,6 @@ struct file_lock {
#define OFFT_OFFSET_MAX INT_LIMIT(off_t)
#endif
-extern struct list_head file_lock_list;
-
#include <linux/fcntl.h>
extern int fcntl_getlk(struct file *, struct flock __user *);
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index 860a93f6ce6..b0f63b6ab0d 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -59,6 +59,8 @@ struct nlm_host {
unsigned long h_expires; /* eligible for GC */
struct list_head h_lockowners; /* Lockowners for the client */
spinlock_t h_lock;
+ struct list_head h_granted; /* Locks in GRANTED state */
+ struct list_head h_reclaim; /* Locks in RECLAIM state */
};
/*
diff --git a/include/linux/nfs_fs_i.h b/include/linux/nfs_fs_i.h
index e2c18dabff8..861730275ba 100644
--- a/include/linux/nfs_fs_i.h
+++ b/include/linux/nfs_fs_i.h
@@ -12,8 +12,8 @@ struct nlm_lockowner;
*/
struct nfs_lock_info {
u32 state;
- u32 flags;
struct nlm_lockowner *owner;
+ struct list_head list;
};
struct nfs4_lock_state;
@@ -21,10 +21,4 @@ struct nfs4_lock_info {
struct nfs4_lock_state *owner;
};
-/*
- * Lock flag values
- */
-#define NFS_LCK_GRANTED 0x0001 /* lock has been granted */
-#define NFS_LCK_RECLAIM 0x0002 /* lock marked for reclaiming */
-
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-04 21:02:58 +0000