Implement overlayfs' ->evict_inode operation,
so that we can clear all inode dirty flags.
Signed-off-by: Chengguang Xu <cgxu519@xxxxxxxxxxxx>
---
fs/overlayfs/super.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 1e21feb87297..694eff76eb09 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -391,11 +391,26 @@ static int ovl_remount(struct super_block *sb, int *flags, char *data)
return ret;
}
+static void ovl_evict_inode(struct inode *inode)
+{
+ struct ovl_fs *ofs = inode->i_sb->s_fs_info;
+
+ if (!list_empty(&OVL_I(inode)->wait_list)) {
+ spin_lock(&ofs->syncfs_wait_list_lock);
+ if (!list_empty(&OVL_I(inode)->wait_list))
+ list_del(&OVL_I(inode)->wait_list);
+ spin_unlock(&ofs->syncfs_wait_list_lock);
+ }
+ inode->i_state &= ~I_DIRTY_ALL;
+ clear_inode(inode);
+}
+
static const struct super_operations ovl_super_operations = {
.alloc_inode = ovl_alloc_inode,
.free_inode = ovl_free_inode,
.destroy_inode = ovl_destroy_inode,
.drop_inode = generic_delete_inode,
+ .evict_inode = ovl_evict_inode,
.put_super = ovl_put_super,
.sync_fs = ovl_sync_fs,
.statfs = ovl_statfs,
--
2.26.2
