linux-kernel - [PATCH] f2fs: export pin

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Date:   Thu,  3 Jan 2019 20:19:45 -0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Cc:     Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH] f2fs: export pin_file flag to user

This exports pin_file status to user.

Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
 fs/f2fs/f2fs.h | 3 ++-
 fs/f2fs/file.c | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 12fabd6735dd..036fd62010c1 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2303,9 +2303,10 @@ static inline void f2fs_change_bit(unsigned int nr, char *addr)
 #define F2FS_EOFBLOCKS_FL		0x00400000 /* Blocks allocated beyond EOF */
 #define F2FS_INLINE_DATA_FL		0x10000000 /* Inode has inline data. */
 #define F2FS_PROJINHERIT_FL		0x20000000 /* Create with parents projid */
+#define F2FS_PIN_FILE_FL		0x40000000 /* pin_file status */
 #define F2FS_RESERVED_FL		0x80000000 /* reserved for ext4 lib */
 
-#define F2FS_FL_USER_VISIBLE		0x304BDFFF /* User visible flags */
+#define F2FS_FL_USER_VISIBLE		0x704BDFFF /* User visible flags */
 #define F2FS_FL_USER_MODIFIABLE		0x204BC0FF /* User modifiable flags */
 
 /* Flags we can manipulate with through F2FS_IOC_FSSETXATTR */
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index ae2b45e75847..eb099f1ee937 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1651,6 +1651,8 @@ static int f2fs_ioc_getflags(struct file *filp, unsigned long arg)
 		flags |= F2FS_ENCRYPT_FL;
 	if (f2fs_has_inline_data(inode) || f2fs_has_inline_dentry(inode))
 		flags |= F2FS_INLINE_DATA_FL;
+	if (is_inode_flag_set(inode, FI_PIN_FILE))
+		flags |= F2FS_PIN_FILE_FL;
 
 	flags &= F2FS_FL_USER_VISIBLE;
 
-- 
2.19.0.605.g01d371f741-goog