[PATCH 06/16] xfs: rename XFS_CMP_CASE to XFS_CMP_MATCH

[Ben Myers]

From: Olaf Weber <olaf at sgi.com>

Rename XFS_CMP_CASE to XFS_CMP_MATCH. With unicode filenames and
normalization, different strings will match on other criteria than
case insensitivity.

Signed-off-by: Olaf Weber <olaf at sgi.com>
---
 fs/xfs/libxfs/xfs_da_btree.h  | 2 +-
 fs/xfs/libxfs/xfs_dir2.c      | 9 ++++++---
 fs/xfs/libxfs/xfs_dir2_node.c | 2 +-
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_da_btree.h b/fs/xfs/libxfs/xfs_da_btree.h
index 6e153e3..9ebcc23 100644
--- a/fs/xfs/libxfs/xfs_da_btree.h
+++ b/fs/xfs/libxfs/xfs_da_btree.h
@@ -52,7 +52,7 @@ struct xfs_da_geometry {
 enum xfs_dacmp {
 	XFS_CMP_DIFFERENT,	/* names are completely different */
 	XFS_CMP_EXACT,		/* names are exactly the same */
-	XFS_CMP_CASE		/* names are same but differ in case */
+	XFS_CMP_MATCH		/* names are same but differ in encoding */
 };
 
 /*
diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
index 6cef221..32e769b 100644
--- a/fs/xfs/libxfs/xfs_dir2.c
+++ b/fs/xfs/libxfs/xfs_dir2.c
@@ -74,7 +74,7 @@ xfs_ascii_ci_compname(
 			continue;
 		if (tolower(args->name[i]) != tolower(name[i]))
 			return XFS_CMP_DIFFERENT;
-		result = XFS_CMP_CASE;
+		result = XFS_CMP_MATCH;
 	}
 
 	return result;
@@ -315,8 +315,11 @@ xfs_dir_cilookup_result(
 {
 	if (args->cmpresult == XFS_CMP_DIFFERENT)
 		return -ENOENT;
-	if (args->cmpresult != XFS_CMP_CASE ||
-					!(args->op_flags & XFS_DA_OP_CILOOKUP))
+	if (args->cmpresult == XFS_CMP_EXACT)
+		return -EEXIST;
+	ASSERT(args->cmpresult == XFS_CMP_MATCH);
+	/* Only dup the found name if XFS_DA_OP_CILOOKUP is set. */
+	if (!(args->op_flags & XFS_DA_OP_CILOOKUP))
 		return -EEXIST;
 
 	args->value = kmem_alloc(len, KM_NOFS | KM_MAYFAIL);
diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c
index 1778c40..9d46e8d 100644
--- a/fs/xfs/libxfs/xfs_dir2_node.c
+++ b/fs/xfs/libxfs/xfs_dir2_node.c
@@ -2023,7 +2023,7 @@ xfs_dir2_node_lookup(
 	error = xfs_da3_node_lookup_int(state, &rval);
 	if (error)
 		rval = error;
-	else if (rval == -ENOENT && args->cmpresult == XFS_CMP_CASE) {
+	else if (rval == -ENOENT && args->cmpresult == XFS_CMP_MATCH) {
 		/* If a CI match, dup the actual name and return -EEXIST */
 		xfs_dir2_data_entry_t	*dep;
 
-- 
1.7.12.4