f2fs: export FS_NOCOW_FL flag to user

This exports pin_file status to user.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 12fabd6..9286ec3 100644 (file)
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2301,11 +2301,12 @@ static inline void f2fs_change_bit(unsigned int nr, char *addr)
 #define F2FS_EXTENTS_FL                        0x00080000 /* Inode uses extents */
 #define F2FS_EA_INODE_FL               0x00200000 /* Inode used for large EA */
 #define F2FS_EOFBLOCKS_FL              0x00400000 /* Blocks allocated beyond EOF */
+#define F2FS_NOCOW_FL                  0x00800000 /* Do not cow file */
 #define F2FS_INLINE_DATA_FL            0x10000000 /* Inode has inline data. */
 #define F2FS_PROJINHERIT_FL            0x20000000 /* Create with parents projid */
 #define F2FS_RESERVED_FL               0x80000000 /* reserved for ext4 lib */
 
-#define F2FS_FL_USER_VISIBLE           0x304BDFFF /* User visible flags */
+#define F2FS_FL_USER_VISIBLE           0x30CBDFFF /* 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 ae2b45e..0d46132 100644 (file)
--- 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_NOCOW_FL;
 
        flags &= F2FS_FL_USER_VISIBLE;