[XFS] Add EA list callbacks for xfs kernel use. Cleanup some namespace

code.

SGI-PV: 954372
SGI-Modid: xfs-linux-melb:xfs-kern:26583a

Signed-off-by: Tim Shimmin <tes@sgi.com>

1 files changed, 32 insertions, 9 deletions

diff --git a/fs/xfs/xfs_attr_leaf.h b/fs/xfs/xfs_attr_leaf.h
index 51c3ee156b2f..040f732ce1e2 100644
--- a/fs/xfs/xfs_attr_leaf.h
+++ b/fs/xfs/xfs_attr_leaf.h
@@ -130,6 +130,19 @@ typedef struct xfs_attr_leafblock {
 #define XFS_ATTR_INCOMPLETE     (1 << XFS_ATTR_INCOMPLETE_BIT)
 
 /*
+ * Conversion macros for converting namespace bits from argument flags
+ * to ondisk flags.
+ */
+#define XFS_ATTR_NSP_ARGS_MASK          (ATTR_ROOT | ATTR_SECURE)
+#define XFS_ATTR_NSP_ONDISK_MASK        (XFS_ATTR_ROOT | XFS_ATTR_SECURE)
+#define XFS_ATTR_NSP_ONDISK(flags)      ((flags) & XFS_ATTR_NSP_ONDISK_MASK)
+#define XFS_ATTR_NSP_ARGS(flags)        ((flags) & XFS_ATTR_NSP_ARGS_MASK)
+#define XFS_ATTR_NSP_ARGS_TO_ONDISK(x)  (((x) & ATTR_ROOT ? XFS_ATTR_ROOT : 0) |\
+                                         ((x) & ATTR_SECURE ? XFS_ATTR_SECURE : 0))
+#define XFS_ATTR_NSP_ONDISK_TO_ARGS(x)  (((x) & XFS_ATTR_ROOT ? ATTR_ROOT : 0) |\
+                                         ((x) & XFS_ATTR_SECURE ? ATTR_SECURE : 0))
+
+/*
  * Alignment for namelist and valuelist entries (since they are mixed
  * there can be only one alignment value)
  */
@@ -196,16 +209,26 @@ static inline int xfs_attr_leaf_entsize_local_max(int bsize)
  * Structure used to pass context around among the routines.
  *========================================================================*/
 
+
+struct xfs_attr_list_context;
+
+typedef int (*put_listent_func_t)(struct xfs_attr_list_context *, struct attrnames *,
+                                      char *, int, int, char *);
+
 typedef struct xfs_attr_list_context {
-        struct xfs_inode                *dp;    /* inode */
-        struct attrlist_cursor_kern     *cursor;/* position in list */
-        struct attrlist                 *alist; /* output buffer */
-        int                             count;  /* num used entries */
-        int                             dupcnt; /* count dup hashvals seen */
-        int                             bufsize;/* total buffer size */
-        int                             firstu; /* first used byte in buffer */
-        int                             flags;  /* from VOP call */
-        int                             resynch;/* T/F: resynch with cursor */
+        struct xfs_inode                *dp;            /* inode */
+        struct attrlist_cursor_kern     *cursor;        /* position in list */
+        struct attrlist                 *alist;         /* output buffer */
+        int                             seen_enough;    /* T/F: seen enough of list? */
+        int                             count;          /* num used entries */
+        int                             dupcnt;         /* count dup hashvals seen */
+        int                             bufsize;        /* total buffer size */
+        int                             firstu;         /* first used byte in buffer */
+        int                             flags;          /* from VOP call */
+        int                             resynch;        /* T/F: resynch with cursor */
+        int                             put_value;      /* T/F: need value for listent */
+        put_listent_func_t              put_listent;    /* list output fmt function */
+        int                             index;          /* index into output buffer */
 } xfs_attr_list_context_t;
 
 /*