fsync.c File Reference

#include <linux/version.h>
#include "ut/ut.h"
#include "lib/tlist.h"
#include "lib/hash.h"
#include "lib/trace.h"
#include "mdservice/fsync_fops.h"
#include "m0t1fs/linux_kernel/m0t1fs.h"
#include "m0t1fs/linux_kernel/fsync.h"
#include "lib/misc.h"
#include "reqh/reqh_service.h"

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Macros
#define	NUM_STRECORDS   10

Functions
static int	ut_kernel_fsync (struct file *file, loff_t start, loff_t end, int datasync)
static int	ut_post_rpc (struct m0_rpc_item *item)
static int	ut_wait_for_reply (struct m0_rpc_item *item, m0_time_t timeout)
static void	ut_fop_fini (struct m0_fop *fop)
static void	ut_reset_stub_counters (void)
static void	fake_fs_setup (void)
static void	test_m0t1fs_fsync_request_create (void)
void	test_m0t1fs_fsync_reply_process_init (struct m0t1fs_fsync_fop_wrapper *ffw, struct m0_reqh_service_txid *stx)
void	call_m0t1fs_fsync_reply_process (struct m0t1fs_sb *input_csb, struct m0t1fs_inode *input_m0inode, struct m0t1fs_fsync_fop_wrapper *input_ffw, int expect_return, int expect_ut_wait_for_reply_count, int expect_ut_fop_fini_count, uint64_t expect_txid, size_t expect_locality)
void	test_m0t1fs_fsync_reply_process (void)
void	test_m0t1fs_fsync_record_update (void)
void	call_m0t1fs_fsync_core (struct m0t1fs_inode *input_m0inode, int input_flag, int expect_return, int expect_ut_post_rpc_count, int expect_ut_wait_for_reply_count, int expect_ut_fop_fini_count)
static void	test_m0t1fs_fsync_core (void)
void	call_m0t1fs_fsync (struct file *input_file, loff_t start, loff_t end, int input_datamode, int expect_return, int expect_ut_kernel_fsync_count, int expect_ut_post_rpc_count, int expect_ut_fop_fini_count)
void	fsync_test (void)

Variables
struct m0t1fs_fsync_interactions	fi
static int	ut_kernel_fsync_count = 0
static int	ut_post_rpc_count = 0
static int	ut_wait_for_reply_count = 0
static int	ut_fop_fini_count = 0
static int	ut_post_rpc_delay = 0
static int	ut_kernel_fsync_return = -EINVAL
static int	ut_post_rpc_early_return = -EINVAL
static int	ut_post_rpc_return = -EINVAL
static int	ut_wait_for_reply_return = -EINVAL
static int	ut_wait_for_reply_remote_return = 0
static struct m0_fop	reply_fop
static struct m0_fop_fsync_rep	reply_data
static struct m0_reqh_service_txid	stx [NUM_STRECORDS]
static struct m0t1fs_fsync_interactions	copy
static struct file	file
static struct dentry	dentry
static struct super_block	super_block
static struct m0t1fs_inode	m0inode
static struct m0t1fs_sb	csb
static struct m0_reqh_service_ctx	service
struct m0_rpc_conn	conn = { .c_rpc_machine = (void*)1 }
int	default_txid = 42
int	default_locality = 7

Macro Definition Documentation

NUM_STRECORDS

#define NUM_STRECORDS   10

Definition at line 70 of file fsync.c.

Function Documentation

call_m0t1fs_fsync()

void call_m0t1fs_fsync	(	struct file *	input_file,
		loff_t	start,
		loff_t	end,
		int	input_datamode,
		int	expect_return,
		int	expect_ut_kernel_fsync_count,
		int	expect_ut_post_rpc_count,
		int	expect_ut_fop_fini_count
	)

Definition at line 604 of file fsync.c.

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call_m0t1fs_fsync_core()

void call_m0t1fs_fsync_core	(	struct m0t1fs_inode *	input_m0inode,
		int	input_flag,
		int	expect_return,
		int	expect_ut_post_rpc_count,
		int	expect_ut_wait_for_reply_count,
		int	expect_ut_fop_fini_count
	)

Definition at line 501 of file fsync.c.

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call_m0t1fs_fsync_reply_process()

void call_m0t1fs_fsync_reply_process	(	struct m0t1fs_sb *	input_csb,
		struct m0t1fs_inode *	input_m0inode,
		struct m0t1fs_fsync_fop_wrapper *	input_ffw,
		int	expect_return,
		int	expect_ut_wait_for_reply_count,
		int	expect_ut_fop_fini_count,
		uint64_t	expect_txid,
		size_t	expect_locality
	)

Definition at line 316 of file fsync.c.

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fake_fs_setup()

static void fake_fs_setup ( void  )

static

(Re-)initialises our fake filesystem of super_block, dentry and inode. These are fed to the functions we test so that their container-of mechanisms find objects of the correct type, with our fake values.

Definition at line 184 of file fsync.c.

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fsync_test()

void fsync_test

(

void

)

Definition at line 630 of file fsync.c.

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test_m0t1fs_fsync_core()

static void test_m0t1fs_fsync_core ( void  )

static

Tests the m0t1fs_fsync_core function.

Definition at line 519 of file fsync.c.

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test_m0t1fs_fsync_record_update()

void test_m0t1fs_fsync_record_update

(

void

)

Tests the m0t1fs_fsync_record_update function.

Definition at line 473 of file fsync.c.

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test_m0t1fs_fsync_reply_process()

void test_m0t1fs_fsync_reply_process

(

void

)

Tests the m0t1fs_fsync_reply_process function.

Definition at line 339 of file fsync.c.

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test_m0t1fs_fsync_reply_process_init()

void test_m0t1fs_fsync_reply_process_init	(	struct m0t1fs_fsync_fop_wrapper *	ffw,
		struct m0_reqh_service_txid *	stx
	)

Definition at line 292 of file fsync.c.

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test_m0t1fs_fsync_request_create()

static void test_m0t1fs_fsync_request_create ( void  )

static

Tests the m0t1fs_fsync_request_create function.

Definition at line 233 of file fsync.c.

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ut_fop_fini()

static void ut_fop_fini ( struct m0_fop *  fop )

static

Stub for fop_fini, frees any memory allocated to a fop, without the rpc_item reference counting getting upset that the fop was never sent/received.

Definition at line 156 of file fsync.c.

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ut_kernel_fsync()

static int ut_kernel_fsync ( struct file *  file, loff_t  start, loff_t  end, int  datasync  )

static

Definition at line 100 of file fsync.c.

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ut_post_rpc()

static int ut_post_rpc ( struct m0_rpc_item *  item )

static

Definition at line 112 of file fsync.c.

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ut_reset_stub_counters()

static void ut_reset_stub_counters ( void  )

static

Resets the stub counters.

Definition at line 168 of file fsync.c.

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ut_wait_for_reply()

static int ut_wait_for_reply ( struct m0_rpc_item *  item, m0_time_t  timeout  )

static

Definition at line 126 of file fsync.c.

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Variable Documentation

conn

struct m0_rpc_conn conn = { .c_rpc_machine = (void*)1 }

Definition at line 96 of file fsync.c.

copy

struct m0t1fs_fsync_interactions copy

static

Definition at line 75 of file fsync.c.

csb

struct m0t1fs_sb csb

static

Definition at line 90 of file fsync.c.

default_locality

int default_locality = 7

Definition at line 289 of file fsync.c.

default_txid

int default_txid = 42

Definition at line 288 of file fsync.c.

dentry

struct dentry dentry

static

Definition at line 81 of file fsync.c.

fi

struct m0t1fs_fsync_interactions fi

Ugly abstraction of m0t1fs_fsync interactions with wider motr code

• purely to facilitate unit testing

Definition at line 55 of file fsync.c.

file

struct file file

static

Definition at line 78 of file fsync.c.

m0inode

struct m0t1fs_inode m0inode

static

Definition at line 87 of file fsync.c.

reply_data

struct m0_fop_fsync_rep reply_data

static

Definition at line 67 of file fsync.c.

reply_fop

struct m0_fop reply_fop

static

Definition at line 64 of file fsync.c.

service

struct m0_reqh_service_ctx service

static

Definition at line 93 of file fsync.c.

stx

struct m0_reqh_service_txid stx[NUM_STRECORDS]

static

Definition at line 71 of file fsync.c.

super_block

struct super_block super_block

static

Definition at line 84 of file fsync.c.

ut_fop_fini_count

int ut_fop_fini_count = 0

static

Definition at line 53 of file fsync.c.

ut_kernel_fsync_count

int ut_kernel_fsync_count = 0

static

Definition at line 50 of file fsync.c.

ut_kernel_fsync_return

int ut_kernel_fsync_return = -EINVAL

static

Definition at line 57 of file fsync.c.

ut_post_rpc_count

int ut_post_rpc_count = 0

static

Definition at line 51 of file fsync.c.

ut_post_rpc_delay

int ut_post_rpc_delay = 0

static

Definition at line 56 of file fsync.c.

ut_post_rpc_early_return

int ut_post_rpc_early_return = -EINVAL

static

Definition at line 58 of file fsync.c.

ut_post_rpc_return

int ut_post_rpc_return = -EINVAL

static

Definition at line 59 of file fsync.c.

ut_wait_for_reply_count

int ut_wait_for_reply_count = 0

static

Definition at line 52 of file fsync.c.

ut_wait_for_reply_remote_return

int ut_wait_for_reply_remote_return = 0

static

Definition at line 61 of file fsync.c.

ut_wait_for_reply_return

int ut_wait_for_reply_return = -EINVAL

static

Definition at line 60 of file fsync.c.