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authorMichael I. Bushnell <mib@gnu.org>1995-06-20 01:17:19 +0000
committerMichael I. Bushnell <mib@gnu.org>1995-06-20 01:17:19 +0000
commit5fba004ecf5c7e226617e9744e65779a415e1b66 (patch)
tree7787365cb836d6856595742c2d366c6d02e9986c /ufs
parenta11ea13e5c634d839bcfed7e9cd4c2d6da0fcae8 (diff)
(diskfs_node_iterate): New function.
(write_all_disknodes): Use it.
Diffstat (limited to 'ufs')
-rw-r--r--ufs/inode.c39
1 files changed, 27 insertions, 12 deletions
diff --git a/ufs/inode.c b/ufs/inode.c
index 7f302e47..df5fec17 100644
--- a/ufs/inode.c
+++ b/ufs/inode.c
@@ -404,17 +404,15 @@ read_symlink_hook (struct node *np,
}
error_t (*diskfs_read_symlink_hook)(struct node *, char *)
= read_symlink_hook;
-
-/* Write all active disknodes into the dinode pager. */
-void
-write_all_disknodes ()
+error_t
+diskfs_node_iterate (error_t (*fun)(struct node *))
{
- int n;
struct node *np;
struct item {struct item *next; struct node *np;} *list = 0;
struct item *i;
-
+ error_t err;
+
/* Acquire a reference on all the nodes in the hash table
and enter them into a list on the stack. */
spin_lock (&diskfs_node_refcnt_lock);
@@ -428,16 +426,33 @@ write_all_disknodes ()
list = i;
}
spin_unlock (&diskfs_node_refcnt_lock);
-
- /* Update each node. */
+
+ err = 0;
for (i = list; i; i = i->next)
{
- mutex_lock (&i->np->lock);
- diskfs_set_node_times (i->np);
- write_node (i->np);
- diskfs_nput (i->np);
+ if (!err)
+ {
+ mutex_lock (&i->np->lock);
+ err = (*fun)(i->np);
+ mutex_unlock (&i->np->lock);
+ }
+ diskfs_nrele (i->np);
}
}
+
+/* Write all active disknodes into the dinode pager. */
+void
+write_all_disknodes ()
+{
+ error_t
+ helper (struct node *np)
+ {
+ diskfs_set_node_times (np);
+ write_node (np);
+ }
+
+ diskfs_node_iterate (helper);
+}
void
diskfs_write_disknode (struct node *np, int wait)