Signed-off-by: Josef 'Jeff' Sipek <jeffpc@xxxxxxxxxxxxxx>
---
fs/cmsfs/xattr.c | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 74 insertions(+), 0 deletions(-)
create mode 100644 fs/cmsfs/xattr.c
diff --git a/fs/cmsfs/xattr.c b/fs/cmsfs/xattr.c
new file mode 100644
index 0000000..df48aed
--- /dev/null
+++ b/fs/cmsfs/xattr.c
@@ -0,0 +1,74 @@
+#include <linux/module.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/fs.h>
+
+#include <linux/errno.h>
+
+#include "cmsfs.h"
+
+ssize_t cmsfs_getxattr(struct dentry *dentry, const char *name, void *value,
+ size_t size)
+{
+ char tmp[16];
+ char *out = NULL;
+
+ if (!strcmp("system.recfm", name)) {
+ switch (CMSFS_I(dentry->d_inode)->recfm) {
+ case RECFM_FIXED:
+ out = "fixed";
+ break;
+ case RECFM_VAR:
+ out = "variable";
+ break;
+ default:
+ out = "???";
+ break;
+ }
+ } else if (!strcmp("system.lrecl", name)) {
+ snprintf(tmp, 16, "%d", CMSFS_I(dentry->d_inode)->lrecl);
+ out = tmp;
+ } else if (!strcmp("system.items", name)) {
+ snprintf(tmp, 16, "%d", CMSFS_I(dentry->d_inode)->items);
+ out = tmp;
+ }
+
+ if (!out)
+ return -ENODATA;
+
+ if (!value && !size)
+ return strlen(out);
+
+ if (size < strlen(out))
+ return -ERANGE;
+
+ strcpy(value, out);
+
+ return strlen(out);
+}
+
+#define ATTRLIST "system.recfm\0system.lrecl\0system.items\0"
+
+ssize_t cmsfs_listxattr(struct dentry *dentry, char *list, size_t size)
+{
+ if (!list || !size)
+ return sizeof(ATTRLIST);
+
+ if (size < sizeof(ATTRLIST))
+ return -ERANGE;
+
+ memcpy(list, ATTRLIST, sizeof(ATTRLIST));
+
+ return sizeof(ATTRLIST);
+}
+
+int cmsfs_setxattr(struct dentry *dentry, const char *name, const void *value,
+ size_t size, int flags)
+{
+ return -EOPNOTSUPP;
+}
+
+int cmsfs_removexattr(struct dentry *dentry, const char *name)
+{
+ return -EOPNOTSUPP;
+}
--
1.5.6.3
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