f2fs: cover cp_file information with ilock

If a file is linked with other files, it should be checkpointed at every fsync
calls.
For this, we use set_cp_file() with FADVISE_CP_BIT, but previously we didn't
cover the flag by the global lock.
This patch fixes that the inode page stores this correctly.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

2 files changed, 7 insertions, 7 deletions

diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index b278bfbc3646..67e2d1361fa2 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -346,8 +346,14 @@ static struct page *init_inode_metadata(struct inode *inode,
 
         init_dent_inode(name, page);
 
-        if (is_inode_flag_set(F2FS_I(inode), FI_INC_LINK))
+        /*
+         * This file should be checkpointed during fsync.
+         * We lost i_pino from now on.
+         */
+        if (is_inode_flag_set(F2FS_I(inode), FI_INC_LINK)) {
+                set_cp_file(inode);
                 inc_nlink(inode);
+        }
         return page;
 
 error:
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index efe0a127cb76..1fe150276fad 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -181,12 +181,6 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
         if (err)
                 goto out;
 
-        /*
-         * This file should be checkpointed during fsync.
-         * We lost i_pino from now on.
-         */
-        set_cp_file(inode);
-
         d_instantiate(dentry, inode);
         return 0;
 out: