[XFS] Add op_flags field and helpers to xfs_da_args
The end of the xfs_da_args structure has 4 unsigned char fields for
true/false information on directory and attr operations using the
xfs_da_args structure.
The following converts these 4 into a op_flags field that uses the first 4
bits for these fields and allows expansion for future operation
information (eg. case-insensitive lookup request).
SGI-PV: 981520
SGI-Modid: xfs-linux-melb:xfs-kern:31206a
Signed-off-by: Barry Naujok <bnaujok@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h
index e64c692..8face64 100644
--- a/fs/xfs/xfs_da_btree.h
+++ b/fs/xfs/xfs_da_btree.h
@@ -132,14 +132,19 @@
int index2; /* index of 2nd attr in blk */
xfs_dablk_t rmtblkno2; /* remote attr value starting blkno */
int rmtblkcnt2; /* remote attr value block count */
- unsigned char justcheck; /* T/F: check for ok with no space */
- unsigned char rename; /* T/F: this is an atomic rename op */
- unsigned char addname; /* T/F: this is an add operation */
- unsigned char oknoent; /* T/F: ok to return ENOENT, else die */
+ int op_flags; /* operation flags */
enum xfs_dacmp cmpresult; /* name compare result for lookups */
} xfs_da_args_t;
/*
+ * Operation flags:
+ */
+#define XFS_DA_OP_JUSTCHECK 0x0001 /* check for ok with no space */
+#define XFS_DA_OP_RENAME 0x0002 /* this is an atomic rename op */
+#define XFS_DA_OP_ADDNAME 0x0004 /* this is an add operation */
+#define XFS_DA_OP_OKNOENT 0x0008 /* lookup/add op, ENOENT ok, else die */
+
+/*
* Structure to describe buffer(s) for a block.
* This is needed in the directory version 2 format case, when
* multiple non-contiguous fsblocks might be needed to cover one