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Date:   Tue, 23 Jul 2019 16:05:27 -0700
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Subject: [PATCH v4 1/3] fs: Reserve flag for casefolding
From:   Daniel Rosenberg <drosen@google.com>
To:     Jaegeuk Kim <jaegeuk@kernel.org>, Chao Yu <yuchao0@huawei.com>,
        Jonathan Corbet <corbet@lwn.net>,
        linux-f2fs-devel@lists.sourceforge.net
Cc:     linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
        linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org,
        kernel-team@android.com, Daniel Rosenberg <drosen@google.com>
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Sender: linux-kernel-owner@vger.kernel.org
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In preparation for including the casefold feature within f2fs, elevate
the EXT4_CASEFOLD_FL flag to FS_CASEFOLD_FL.

Signed-off-by: Daniel Rosenberg <drosen@google.com>
---
 include/uapi/linux/fs.h       | 1 +
 tools/include/uapi/linux/fs.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index 59c71fa8c553a..2a616aa3f6862 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -311,6 +311,7 @@ struct fscrypt_key {
 #define FS_NOCOW_FL			0x00800000 /* Do not cow file */
 #define FS_INLINE_DATA_FL		0x10000000 /* Reserved for ext4 */
 #define FS_PROJINHERIT_FL		0x20000000 /* Create with parents projid */
+#define FS_CASEFOLD_FL			0x40000000 /* Folder is case insensitive */
 #define FS_RESERVED_FL			0x80000000 /* reserved for ext2 lib */
 
 #define FS_FL_USER_VISIBLE		0x0003DFFF /* User visible flags */
diff --git a/tools/include/uapi/linux/fs.h b/tools/include/uapi/linux/fs.h
index 59c71fa8c553a..2a616aa3f6862 100644
--- a/tools/include/uapi/linux/fs.h
+++ b/tools/include/uapi/linux/fs.h
@@ -311,6 +311,7 @@ struct fscrypt_key {
 #define FS_NOCOW_FL			0x00800000 /* Do not cow file */
 #define FS_INLINE_DATA_FL		0x10000000 /* Reserved for ext4 */
 #define FS_PROJINHERIT_FL		0x20000000 /* Create with parents projid */
+#define FS_CASEFOLD_FL			0x40000000 /* Folder is case insensitive */
 #define FS_RESERVED_FL			0x80000000 /* reserved for ext2 lib */
 
 #define FS_FL_USER_VISIBLE		0x0003DFFF /* User visible flags */
-- 
2.22.0.657.g960e92d24f-goog