diff mbox series

[2/3] xfs: create a predicate to determine if two xfs_names are the same

Message ID 170404990129.1793320.14034009986995240605.stgit@frogsfrogsfrogs (mailing list archive)
State Superseded
Headers show
Series [1/3] xfs: create a static name for the dot entry too | expand

Commit Message

Darrick J. Wong Dec. 31, 2023, 10:06 p.m. UTC 
From: Darrick J. Wong <djwong@kernel.org>

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@kernel.org>
---
 libxfs/xfs_dir2.h |    9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/libxfs/xfs_dir2.h b/libxfs/xfs_dir2.h
index 7d7cd8d808e..ac3c264402d 100644
--- a/libxfs/xfs_dir2.h
+++ b/libxfs/xfs_dir2.h
@@ -24,6 +24,15 @@  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)
+{
+	return n1 == n2 || (n1->len == n2->len &&
+			    !memcmp(n1->name, n2->name, n1->len));
+}
+
 /*
  * Convert inode mode to directory entry filetype
  */