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-rw-r--r--fs/f2fs/checkpoint.c2
-rw-r--r--fs/f2fs/f2fs.h7
-rw-r--r--fs/f2fs/super.c34
3 files changed, 33 insertions, 10 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 31561026ac9a..3ab7a00c0641 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -28,7 +28,7 @@ struct kmem_cache *f2fs_inode_entry_slab;
void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io)
{
- f2fs_build_fault_attr(sbi, 0);
+ f2fs_build_fault_attr(sbi, 0, 0);
set_ckpt_flags(sbi, CP_ERROR_FLAG);
if (!end_io)
f2fs_flush_merged_writes(sbi);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 95244e75dfc4..375aa9f30cfa 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -60,6 +60,8 @@ enum {
FAULT_MAX,
};
+#define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1)
+
struct f2fs_fault_info {
atomic_t inject_ops;
unsigned int inject_rate;
@@ -3435,9 +3437,10 @@ static inline bool f2fs_force_buffered_io(struct inode *inode, int rw)
}
#ifdef CONFIG_F2FS_FAULT_INJECTION
-extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate);
+extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,
+ unsigned int type);
#else
-#define f2fs_build_fault_attr(sbi, rate) do { } while (0)
+#define f2fs_build_fault_attr(sbi, rate, type) do { } while (0)
#endif
#endif
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 30bd9138f39d..be41dbd7b261 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -58,17 +58,21 @@ char *f2fs_fault_name[FAULT_MAX] = {
[FAULT_DISCARD] = "discard error",
};
-void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate)
+void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,
+ unsigned int type)
{
struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info;
if (rate) {
atomic_set(&ffi->inject_ops, 0);
ffi->inject_rate = rate;
- ffi->inject_type = (1 << FAULT_MAX) - 1;
- } else {
- memset(ffi, 0, sizeof(struct f2fs_fault_info));
}
+
+ if (type)
+ ffi->inject_type = type;
+
+ if (!rate && !type)
+ memset(ffi, 0, sizeof(struct f2fs_fault_info));
}
#endif
@@ -113,6 +117,7 @@ enum {
Opt_mode,
Opt_io_size_bits,
Opt_fault_injection,
+ Opt_fault_type,
Opt_lazytime,
Opt_nolazytime,
Opt_quota,
@@ -170,6 +175,7 @@ static match_table_t f2fs_tokens = {
{Opt_mode, "mode=%s"},
{Opt_io_size_bits, "io_bits=%u"},
{Opt_fault_injection, "fault_injection=%u"},
+ {Opt_fault_type, "fault_type=%u"},
{Opt_lazytime, "lazytime"},
{Opt_nolazytime, "nolazytime"},
{Opt_quota, "quota"},
@@ -600,7 +606,18 @@ static int parse_options(struct super_block *sb, char *options)
if (args->from && match_int(args, &arg))
return -EINVAL;
#ifdef CONFIG_F2FS_FAULT_INJECTION
- f2fs_build_fault_attr(sbi, arg);
+ f2fs_build_fault_attr(sbi, arg, F2FS_ALL_FAULT_TYPE);
+ set_opt(sbi, FAULT_INJECTION);
+#else
+ f2fs_msg(sb, KERN_INFO,
+ "FAULT_INJECTION was not selected");
+#endif
+ break;
+ case Opt_fault_type:
+ if (args->from && match_int(args, &arg))
+ return -EINVAL;
+#ifdef CONFIG_F2FS_FAULT_INJECTION
+ f2fs_build_fault_attr(sbi, 0, arg);
set_opt(sbi, FAULT_INJECTION);
#else
f2fs_msg(sb, KERN_INFO,
@@ -1321,9 +1338,12 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
if (F2FS_IO_SIZE_BITS(sbi))
seq_printf(seq, ",io_size=%uKB", F2FS_IO_SIZE_KB(sbi));
#ifdef CONFIG_F2FS_FAULT_INJECTION
- if (test_opt(sbi, FAULT_INJECTION))
+ if (test_opt(sbi, FAULT_INJECTION)) {
seq_printf(seq, ",fault_injection=%u",
F2FS_OPTION(sbi).fault_info.inject_rate);
+ seq_printf(seq, ",fault_type=%u",
+ F2FS_OPTION(sbi).fault_info.inject_type);
+ }
#endif
#ifdef CONFIG_QUOTA
if (test_opt(sbi, QUOTA))
@@ -1393,7 +1413,7 @@ static void default_options(struct f2fs_sb_info *sbi)
set_opt(sbi, POSIX_ACL);
#endif
- f2fs_build_fault_attr(sbi, 0);
+ f2fs_build_fault_attr(sbi, 0, 0);
}
#ifdef CONFIG_QUOTA