Hi Alan,
The attached patch makes tmpfs behave more like other fs's. Apparently
perl expects this.
Greetings
Christoph
diff -uNr 2.4.1-ac10/mm/shmem.c 2.4.1-ac10-nlink/mm/shmem.c
--- 2.4.1-ac10/mm/shmem.c Mon Feb 12 15:01:47 2001
+++ 2.4.1-ac10-nlink/mm/shmem.c Tue Feb 13 13:48:49 2001
@@ -465,6 +465,7 @@
inode->i_fop = &shmem_file_operations;
break;
case S_IFDIR:
+ inode->i_nlink++;
inode->i_op = &shmem_dir_inode_operations;
inode->i_fop = &shmem_dir_operations;
break;
@@ -743,7 +744,12 @@
static int shmem_mkdir(struct inode * dir, struct dentry * dentry, int mode)
{
- return shmem_mknod(dir, dentry, mode | S_IFDIR, 0);
+ int error;
+
+ if ((error = shmem_mknod(dir, dentry, mode | S_IFDIR, 0)))
+ return error;
+ dir->i_nlink++;
+ return 0;
}
static int shmem_create(struct inode *dir, struct dentry *dentry, int mode)
@@ -801,25 +807,21 @@
return 1;
}
-/*
- * This works for both directories and regular files.
- * (non-directories will always have empty subdirs)
- */
static int shmem_unlink(struct inode * dir, struct dentry *dentry)
{
- int retval = -ENOTEMPTY;
+ dentry->d_inode->i_nlink--;
+ dput(dentry); /* Undo the count from "create" - this does all the work */
+ return 0;
+}
- if (shmem_empty(dentry)) {
- struct inode *inode = dentry->d_inode;
+static int shmem_rmdir(struct inode * dir, struct dentry *dentry)
+{
+ if (!shmem_empty(dentry))
+ return -ENOTEMPTY;
- inode->i_nlink--;
- dput(dentry); /* Undo the count from "create" - this does all the
work */
- retval = 0;
- }
- return retval;
+ dir->i_nlink--;
+ return shmem_unlink(dir, dentry);
}
-
-#define shmem_rmdir shmem_unlink
/*
* The VFS layer already does all the dentry stuff for rename,
-
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