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authorJin Qian <jinqian@google.com>2017-03-02 13:32:59 -0800
committerJin Qian <jinqian@google.com>2017-03-14 13:07:19 -0700
commita4f5f251e951d2e6f454f82c58e7044f7de87a0d (patch)
tree3dc2b18a417c71d6b255fe75f6a5e90e42b6059f /include/linux
parent5c866b0f8a2ff6d75fece4463fb9162ca43a4a3a (diff)
ANDROID: sched: add a counter to track fsync
Change-Id: I6c138de5b2332eea70f57e098134d1d141247b3f Signed-off-by: Jin Qian <jinqian@google.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/sched.h8
-rw-r--r--include/linux/task_io_accounting.h2
-rw-r--r--include/linux/task_io_accounting_ops.h1
3 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8be9f0dbdd0c..5b250c9f7718 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -3227,6 +3227,11 @@ static inline void inc_syscw(struct task_struct *tsk)
{
tsk->ioac.syscw++;
}
+
+static inline void inc_syscfs(struct task_struct *tsk)
+{
+ tsk->ioac.syscfs++;
+}
#else
static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
{
@@ -3243,6 +3248,9 @@ static inline void inc_syscr(struct task_struct *tsk)
static inline void inc_syscw(struct task_struct *tsk)
{
}
+static inline void inc_syscfs(struct task_struct *tsk)
+{
+}
#endif
#ifndef TASK_SIZE_OF
diff --git a/include/linux/task_io_accounting.h b/include/linux/task_io_accounting.h
index bdf855c2856f..2dd338fdf881 100644
--- a/include/linux/task_io_accounting.h
+++ b/include/linux/task_io_accounting.h
@@ -18,6 +18,8 @@ struct task_io_accounting {
u64 syscr;
/* # of write syscalls */
u64 syscw;
+ /* # of fsync syscalls */
+ u64 syscfs;
#endif /* CONFIG_TASK_XACCT */
#ifdef CONFIG_TASK_IO_ACCOUNTING
diff --git a/include/linux/task_io_accounting_ops.h b/include/linux/task_io_accounting_ops.h
index 4d090f9ee608..1b505c804af3 100644
--- a/include/linux/task_io_accounting_ops.h
+++ b/include/linux/task_io_accounting_ops.h
@@ -96,6 +96,7 @@ static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,
dst->wchar += src->wchar;
dst->syscr += src->syscr;
dst->syscw += src->syscw;
+ dst->syscfs += src->syscfs;
}
#else
static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,