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-rw-r--r--fs/f2fs/inode.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 794241777322..340a21be5a76 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -100,6 +100,10 @@ static int do_read_inode(struct inode *inode)
inode->i_ctime.tv_nsec = le32_to_cpu(ri->i_ctime_nsec);
inode->i_mtime.tv_nsec = le32_to_cpu(ri->i_mtime_nsec);
inode->i_generation = le32_to_cpu(ri->i_generation);
+ if (ri->i_addr[0])
+ inode->i_rdev = old_decode_dev(le32_to_cpu(ri->i_addr[0]));
+ else
+ inode->i_rdev = new_decode_dev(le32_to_cpu(ri->i_addr[1]));
fi->i_current_depth = le32_to_cpu(ri->i_current_depth);
fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid);
@@ -203,6 +207,20 @@ void update_inode(struct inode *inode, struct page *node_page)
ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags);
ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino);
ri->i_generation = cpu_to_le32(inode->i_generation);
+
+ if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
+ if (old_valid_dev(inode->i_rdev)) {
+ ri->i_addr[0] =
+ cpu_to_le32(old_encode_dev(inode->i_rdev));
+ ri->i_addr[1] = 0;
+ } else {
+ ri->i_addr[0] = 0;
+ ri->i_addr[1] =
+ cpu_to_le32(new_encode_dev(inode->i_rdev));
+ ri->i_addr[2] = 0;
+ }
+ }
+
set_cold_node(inode, node_page);
set_page_dirty(node_page);
}
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