f2fs: support fault injection for dquot_initialize()

[linux-block.git] / fs / f2fs / super.c

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 989e76ec7fb2203ef9f68051a284c9dbf93a5624..75f706b91ebf1bf95e645386afd4e1b1c05a84a6 100644 (file)
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -58,6 +58,7 @@ const char *f2fs_fault_name[FAULT_MAX] = {
        [FAULT_DISCARD]         = "discard error",
        [FAULT_WRITE_IO]        = "write IO error",
        [FAULT_SLAB_ALLOC]      = "slab alloc",
+       [FAULT_DQUOT_INIT]      = "dquot initialize",
 };
 
 void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,
@@ -2499,6 +2500,16 @@ retry:
        return len - towrite;
 }
 
+int f2fs_dquot_initialize(struct inode *inode)
+{
+       if (time_to_inject(F2FS_I_SB(inode), FAULT_DQUOT_INIT)) {
+               f2fs_show_injection_info(F2FS_I_SB(inode), FAULT_DQUOT_INIT);
+               return -ESRCH;
+       }
+
+       return dquot_initialize(inode);
+}
+
 static struct dquot **f2fs_get_dquots(struct inode *inode)
 {
        return F2FS_I(inode)->i_dquot;
@@ -2883,6 +2894,11 @@ static const struct quotactl_ops f2fs_quotactl_ops = {
        .get_nextdqblk  = dquot_get_next_dqblk,
 };
 #else
+int f2fs_dquot_initialize(struct inode *inode)
+{
+       return 0;
+}
+
 int f2fs_quota_sync(struct super_block *sb, int type)
 {
        return 0;