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| author | Thomas Bushnell <thomas@gnu.org> | 1997-08-07 18:30:49 +0000 |
|---|---|---|
| committer | Thomas Bushnell <thomas@gnu.org> | 1997-08-07 18:30:49 +0000 |
| commit | fc8d3ae9fe3ae3830e6ff4d251001053e0123b83 (patch) | |
| tree | 281c9276c03332081ae5cb402906ebdcee91fb9d /nfs/ops.c | |
| parent | 95b45efa9f65dbbe72275887ffec3e6e2e2e1006 (diff) | |
| download | hurd-fc8d3ae9fe3ae3830e6ff4d251001053e0123b83.tar.gz hurd-fc8d3ae9fe3ae3830e6ff4d251001053e0123b83.tar.bz2 hurd-fc8d3ae9fe3ae3830e6ff4d251001053e0123b83.zip | |
Wed Aug 6 15:23:03 1997 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* ops.c (netfs_attempt_unlink): Purge cache-held references
*before* counting live references. Use new function.
* name-cache.c (purge_lookup_cache_node): New function.
* nfs.h (purge_lookup_cache_node): New decl.
* cache.c (netfs_node_norefs): Don't do delete RPC here, fork off
a separate thread to do it.
(struct fnd): New type.
(forked_node_delete): New function.
Diffstat (limited to 'nfs/ops.c')
| -rw-r--r-- | nfs/ops.c | 22 |
1 files changed, 16 insertions, 6 deletions
@@ -1108,6 +1108,14 @@ netfs_attempt_unlink (struct iouser *cred, struct node *dir, return err; } + /* Restore the locks to sanity. */ + mutex_unlock (&np->lock); + mutex_lock (&dir->lock); + + /* Purge the cache of entries for this node, so that we don't + regard cache-held references as live. */ + purge_lookup_cache_node (np); + /* See if there are any other users of this node than the one we just got; if so, we must give this file another link so that when we delete the one we are asked for it doesn't go @@ -1117,8 +1125,9 @@ netfs_attempt_unlink (struct iouser *cred, struct node *dir, char *newname; int n = 0; + mutex_unlock (&dir->lock); + newname = malloc (50); - mutex_unlock (&np->lock); do { sprintf (newname, ".nfs%xgnu.%d", (int) np, n++); @@ -1137,6 +1146,7 @@ netfs_attempt_unlink (struct iouser *cred, struct node *dir, /* Write down what name we gave it; we'll delete this when all our uses vanish. */ mutex_lock (&np->lock); + if (np->nn->dead_dir) netfs_nrele (np->nn->dead_dir); netfs_nref (dir); @@ -1146,12 +1156,12 @@ netfs_attempt_unlink (struct iouser *cred, struct node *dir, np->nn->dead_name = newname; if (np->nn->dtrans == NOT_POSSIBLE) np->nn->dtrans = POSSIBLE; - } - netfs_nput (np); - - mutex_lock (&dir->lock); - purge_lookup_cache (dir, name, strlen (name)); + netfs_nput (np); + mutex_lock (&dir->lock); + } + else + netfs_nrele (np); p = nfs_initialize_rpc (NFSPROC_REMOVE (protocol_version), cred, 0, &rpcbuf, dir, -1); |