From: Darrick J. Wong <djwong@xxxxxxxxxx>
Source kernel commit: d9c0775897147bab54410611ac2659a7477c770c
Create a simple predicate to determine if two xfs_names are the same
objects or have the exact same name. The comparison is always case
sensitive.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
libxfs/xfs_dir2.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/libxfs/xfs_dir2.h b/libxfs/xfs_dir2.h
index 7d7cd8d808e4..8497d041f316 100644
--- a/libxfs/xfs_dir2.h
+++ b/libxfs/xfs_dir2.h
@@ -24,6 +24,18 @@ struct xfs_dir3_icleaf_hdr;
extern const struct xfs_name xfs_name_dotdot;
extern const struct xfs_name xfs_name_dot;
+static inline bool
+xfs_dir2_samename(
+ const struct xfs_name *n1,
+ const struct xfs_name *n2)
+{
+ if (n1 == n2)
+ return true;
+ if (n1->len != n2->len)
+ return false;
+ return !memcmp(n1->name, n2->name, n1->len);
+}
+
/*
* Convert inode mode to directory entry filetype
*/
