xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

f2fs: trace checkpoint reason in fsync()

Browse Source 
This patch slightly changes need_do_checkpoint to return the detail
info that indicates why we need do checkpoint, then caller could print
it with trace message.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2017-11-06 22:51:45 +08:00
committed by Jaegeuk Kim
parent e8ed90a6d9
commit a5fd505092
3 changed files with 48 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
include/trace/events/f2fs.h
View File

@@ -136,6 +136,18 @@ TRACE_DEFINE_ENUM(CP_TRIMMED);
{ CP_UMOUNT, "Umount" }, \
{ CP_TRIMMED, "Trimmed" })
#define show_fsync_cpreason(type) \
__print_symbolic(type, \
{ CP_NO_NEEDED, "no needed" }, \
{ CP_NON_REGULAR, "non regular" }, \
{ CP_HARDLINK, "hardlink" }, \
{ CP_SB_NEED_CP, "sb needs cp" }, \
{ CP_WRONG_PINO, "wrong pino" }, \
{ CP_NO_SPC_ROLL, "no space roll forward" }, \
{ CP_NODE_NEED_CP, "node needs cp" }, \
{ CP_FASTBOOT_MODE, "fastboot mode" }, \
{ CP_SPEC_LOG_NUM, "log type is 2" })
struct victim_sel_policy;
struct f2fs_map_blocks;
@@ -210,14 +222,14 @@ DEFINE_EVENT(f2fs__inode, f2fs_sync_file_enter,
TRACE_EVENT(f2fs_sync_file_exit,
TP_PROTO(struct inode *inode, int need_cp, int datasync, int ret),
TP_PROTO(struct inode *inode, int cp_reason, int datasync, int ret),
TP_ARGS(inode, need_cp, datasync, ret),
TP_ARGS(inode, cp_reason, datasync, ret),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(ino_t, ino)
__field(int, need_cp)
__field(int, cp_reason)
__field(int, datasync)
__field(int, ret)
),
@@ -225,15 +237,15 @@ TRACE_EVENT(f2fs_sync_file_exit,
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->need_cp = need_cp;
__entry->cp_reason = cp_reason;
__entry->datasync = datasync;
__entry->ret = ret;
),
TP_printk("dev = (%d,%d), ino = %lu, checkpoint is %s, "
TP_printk("dev = (%d,%d), ino = %lu, cp_reason: %s, "
"datasync = %d, ret = %d",
show_dev_ino(__entry),
__entry->need_cp ? "needed" : "not needed",
show_fsync_cpreason(__entry->cp_reason),
__entry->datasync,
__entry->ret)
);