526 static int f2fs_file_open(struct inode *inode, struct file *filp)  in f2fs_file_open()  argument
528 	int err = fscrypt_file_open(inode, filp);  in f2fs_file_open()
536 	err = fsverity_file_open(inode, filp);  in f2fs_file_open()
540 	filp->f_mode |= FMODE_NOWAIT;  in f2fs_file_open()
542 	return dquot_file_open(inode, filp);  in f2fs_file_open()
1783 static int f2fs_release_file(struct inode *inode, struct file *filp)  in f2fs_release_file()  argument
1789 	if (!(filp->f_mode & FMODE_WRITE) ||  in f2fs_release_file()
1958 static int f2fs_ioc_getflags(struct file *filp, unsigned long arg)  in f2fs_ioc_getflags()  argument
1960 	struct inode *inode = file_inode(filp);  in f2fs_ioc_getflags()
1978 static int f2fs_ioc_setflags(struct file *filp, unsigned long arg)  in f2fs_ioc_setflags()  argument
1980 	struct inode *inode = file_inode(filp);  in f2fs_ioc_setflags()
2000 	ret = mnt_want_write_file(filp);  in f2fs_ioc_setflags()
2015 	mnt_drop_write_file(filp);  in f2fs_ioc_setflags()
2019 static int f2fs_ioc_getversion(struct file *filp, unsigned long arg)  in f2fs_ioc_getversion()  argument
2021 	struct inode *inode = file_inode(filp);  in f2fs_ioc_getversion()
2026 static int f2fs_ioc_start_atomic_write(struct file *filp)  in f2fs_ioc_start_atomic_write()  argument
2028 	struct inode *inode = file_inode(filp);  in f2fs_ioc_start_atomic_write()
2039 	if (filp->f_flags & O_DIRECT)  in f2fs_ioc_start_atomic_write()
2042 	ret = mnt_want_write_file(filp);  in f2fs_ioc_start_atomic_write()
2094 	mnt_drop_write_file(filp);  in f2fs_ioc_start_atomic_write()
2098 static int f2fs_ioc_commit_atomic_write(struct file *filp)  in f2fs_ioc_commit_atomic_write()  argument
2100 	struct inode *inode = file_inode(filp);  in f2fs_ioc_commit_atomic_write()
2106 	ret = mnt_want_write_file(filp);  in f2fs_ioc_commit_atomic_write()
2124 		ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true);  in f2fs_ioc_commit_atomic_write()
2128 		ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 1, false);  in f2fs_ioc_commit_atomic_write()
2136 	mnt_drop_write_file(filp);  in f2fs_ioc_commit_atomic_write()
2140 static int f2fs_ioc_start_volatile_write(struct file *filp)  in f2fs_ioc_start_volatile_write()  argument
2142 	struct inode *inode = file_inode(filp);  in f2fs_ioc_start_volatile_write()
2151 	ret = mnt_want_write_file(filp);  in f2fs_ioc_start_volatile_write()
2171 	mnt_drop_write_file(filp);  in f2fs_ioc_start_volatile_write()
2175 static int f2fs_ioc_release_volatile_write(struct file *filp)  in f2fs_ioc_release_volatile_write()  argument
2177 	struct inode *inode = file_inode(filp);  in f2fs_ioc_release_volatile_write()
2183 	ret = mnt_want_write_file(filp);  in f2fs_ioc_release_volatile_write()
2200 	mnt_drop_write_file(filp);  in f2fs_ioc_release_volatile_write()
2204 static int f2fs_ioc_abort_volatile_write(struct file *filp)  in f2fs_ioc_abort_volatile_write()  argument
2206 	struct inode *inode = file_inode(filp);  in f2fs_ioc_abort_volatile_write()
2212 	ret = mnt_want_write_file(filp);  in f2fs_ioc_abort_volatile_write()
2223 		ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true);  in f2fs_ioc_abort_volatile_write()
2230 	mnt_drop_write_file(filp);  in f2fs_ioc_abort_volatile_write()
2235 static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)  in f2fs_ioc_shutdown()  argument
2237 	struct inode *inode = file_inode(filp);  in f2fs_ioc_shutdown()
2250 		ret = mnt_want_write_file(filp);  in f2fs_ioc_shutdown()
2310 		mnt_drop_write_file(filp);  in f2fs_ioc_shutdown()
2317 static int f2fs_ioc_fitrim(struct file *filp, unsigned long arg)  in f2fs_ioc_fitrim()  argument
2319 	struct inode *inode = file_inode(filp);  in f2fs_ioc_fitrim()
2335 	ret = mnt_want_write_file(filp);  in f2fs_ioc_fitrim()
2342 	mnt_drop_write_file(filp);  in f2fs_ioc_fitrim()
2363 static int f2fs_ioc_set_encryption_policy(struct file *filp, unsigned long arg)  in f2fs_ioc_set_encryption_policy()  argument
2365 	struct inode *inode = file_inode(filp);  in f2fs_ioc_set_encryption_policy()
2372 	return fscrypt_ioctl_set_policy(filp, (const void __user *)arg);  in f2fs_ioc_set_encryption_policy()
2375 static int f2fs_ioc_get_encryption_policy(struct file *filp, unsigned long arg)  in f2fs_ioc_get_encryption_policy()  argument
2377 	if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp))))  in f2fs_ioc_get_encryption_policy()
2379 	return fscrypt_ioctl_get_policy(filp, (void __user *)arg);  in f2fs_ioc_get_encryption_policy()
2382 static int f2fs_ioc_get_encryption_pwsalt(struct file *filp, unsigned long arg)  in f2fs_ioc_get_encryption_pwsalt()  argument
2384 	struct inode *inode = file_inode(filp);  in f2fs_ioc_get_encryption_pwsalt()
2391 	err = mnt_want_write_file(filp);  in f2fs_ioc_get_encryption_pwsalt()
2415 	mnt_drop_write_file(filp);  in f2fs_ioc_get_encryption_pwsalt()
2419 static int f2fs_ioc_get_encryption_policy_ex(struct file *filp,  in f2fs_ioc_get_encryption_policy_ex()  argument
2422 	if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp))))  in f2fs_ioc_get_encryption_policy_ex()
2425 	return fscrypt_ioctl_get_policy_ex(filp, (void __user *)arg);  in f2fs_ioc_get_encryption_policy_ex()
2428 static int f2fs_ioc_add_encryption_key(struct file *filp, unsigned long arg)  in f2fs_ioc_add_encryption_key()  argument
2430 	if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp))))  in f2fs_ioc_add_encryption_key()
2433 	return fscrypt_ioctl_add_key(filp, (void __user *)arg);  in f2fs_ioc_add_encryption_key()
2436 static int f2fs_ioc_remove_encryption_key(struct file *filp, unsigned long arg)  in f2fs_ioc_remove_encryption_key()  argument
2438 	if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp))))  in f2fs_ioc_remove_encryption_key()
2441 	return fscrypt_ioctl_remove_key(filp, (void __user *)arg);  in f2fs_ioc_remove_encryption_key()
2444 static int f2fs_ioc_remove_encryption_key_all_users(struct file *filp,  in f2fs_ioc_remove_encryption_key_all_users()  argument
2447 	if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp))))  in f2fs_ioc_remove_encryption_key_all_users()
2450 	return fscrypt_ioctl_remove_key_all_users(filp, (void __user *)arg);  in f2fs_ioc_remove_encryption_key_all_users()
2453 static int f2fs_ioc_get_encryption_key_status(struct file *filp,  in f2fs_ioc_get_encryption_key_status()  argument
2456 	if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp))))  in f2fs_ioc_get_encryption_key_status()
2459 	return fscrypt_ioctl_get_key_status(filp, (void __user *)arg);  in f2fs_ioc_get_encryption_key_status()
2462 static int f2fs_ioc_get_encryption_nonce(struct file *filp, unsigned long arg)  in f2fs_ioc_get_encryption_nonce()  argument
2464 	if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp))))  in f2fs_ioc_get_encryption_nonce()
2467 	return fscrypt_ioctl_get_nonce(filp, (void __user *)arg);  in f2fs_ioc_get_encryption_nonce()
2470 static int f2fs_ioc_gc(struct file *filp, unsigned long arg)  in f2fs_ioc_gc()  argument
2472 	struct inode *inode = file_inode(filp);  in f2fs_ioc_gc()
2486 	ret = mnt_want_write_file(filp);  in f2fs_ioc_gc()
2501 	mnt_drop_write_file(filp);  in f2fs_ioc_gc()
2505 static int __f2fs_ioc_gc_range(struct file *filp, struct f2fs_gc_range *range)  in __f2fs_ioc_gc_range()  argument
2507 	struct f2fs_sb_info *sbi = F2FS_I_SB(file_inode(filp));  in __f2fs_ioc_gc_range()
2521 	ret = mnt_want_write_file(filp);  in __f2fs_ioc_gc_range()
2546 	mnt_drop_write_file(filp);  in __f2fs_ioc_gc_range()
2550 static int f2fs_ioc_gc_range(struct file *filp, unsigned long arg)  in f2fs_ioc_gc_range()  argument
2557 	return __f2fs_ioc_gc_range(filp, &range);  in f2fs_ioc_gc_range()
2560 static int f2fs_ioc_write_checkpoint(struct file *filp, unsigned long arg)  in f2fs_ioc_write_checkpoint()  argument
2562 	struct inode *inode = file_inode(filp);  in f2fs_ioc_write_checkpoint()
2577 	ret = mnt_want_write_file(filp);  in f2fs_ioc_write_checkpoint()
2583 	mnt_drop_write_file(filp);  in f2fs_ioc_write_checkpoint()
2588 					struct file *filp,  in f2fs_defragment_range()  argument
2591 	struct inode *inode = file_inode(filp);  in f2fs_defragment_range()
2739 static int f2fs_ioc_defragment(struct file *filp, unsigned long arg)  in f2fs_ioc_defragment()  argument
2741 	struct inode *inode = file_inode(filp);  in f2fs_ioc_defragment()
2767 	err = mnt_want_write_file(filp);  in f2fs_ioc_defragment()
2771 	err = f2fs_defragment_range(sbi, filp, &range);  in f2fs_ioc_defragment()
2772 	mnt_drop_write_file(filp);  in f2fs_ioc_defragment()
2905 static int __f2fs_ioc_move_range(struct file *filp,  in __f2fs_ioc_move_range()  argument
2911 	if (!(filp->f_mode & FMODE_READ) ||  in __f2fs_ioc_move_range()
2912 			!(filp->f_mode & FMODE_WRITE))  in __f2fs_ioc_move_range()
2924 	err = mnt_want_write_file(filp);  in __f2fs_ioc_move_range()
2928 	err = f2fs_move_file_range(filp, range->pos_in, dst.file,  in __f2fs_ioc_move_range()
2931 	mnt_drop_write_file(filp);  in __f2fs_ioc_move_range()
2937 static int f2fs_ioc_move_range(struct file *filp, unsigned long arg)  in f2fs_ioc_move_range()  argument
2944 	return __f2fs_ioc_move_range(filp, &range);  in f2fs_ioc_move_range()
2947 static int f2fs_ioc_flush_device(struct file *filp, unsigned long arg)  in f2fs_ioc_flush_device()  argument
2949 	struct inode *inode = file_inode(filp);  in f2fs_ioc_flush_device()
2977 	ret = mnt_want_write_file(filp);  in f2fs_ioc_flush_device()
3006 	mnt_drop_write_file(filp);  in f2fs_ioc_flush_device()
3010 static int f2fs_ioc_get_features(struct file *filp, unsigned long arg)  in f2fs_ioc_get_features()  argument
3012 	struct inode *inode = file_inode(filp);  in f2fs_ioc_get_features()
3040 static int f2fs_ioc_setproject(struct file *filp, __u32 projid)  in f2fs_ioc_setproject()  argument
3042 	struct inode *inode = file_inode(filp);  in f2fs_ioc_setproject()
3103 static int f2fs_ioc_setproject(struct file *filp, __u32 projid)  in f2fs_ioc_setproject()  argument
3175 static int f2fs_ioc_fsgetxattr(struct file *filp, unsigned long arg)  in f2fs_ioc_fsgetxattr()  argument
3177 	struct inode *inode = file_inode(filp);  in f2fs_ioc_fsgetxattr()
3187 static int f2fs_ioc_fssetxattr(struct file *filp, unsigned long arg)  in f2fs_ioc_fssetxattr()  argument
3189 	struct inode *inode = file_inode(filp);  in f2fs_ioc_fssetxattr()
3208 	err = mnt_want_write_file(filp);  in f2fs_ioc_fssetxattr()
3224 	err = f2fs_ioc_setproject(filp, fa.fsx_projid);  in f2fs_ioc_fssetxattr()
3227 	mnt_drop_write_file(filp);  in f2fs_ioc_fssetxattr()
3251 static int f2fs_ioc_set_pin_file(struct file *filp, unsigned long arg)  in f2fs_ioc_set_pin_file()  argument
3253 	struct inode *inode = file_inode(filp);  in f2fs_ioc_set_pin_file()
3266 	ret = mnt_want_write_file(filp);  in f2fs_ioc_set_pin_file()
3303 	mnt_drop_write_file(filp);  in f2fs_ioc_set_pin_file()
3307 static int f2fs_ioc_get_pin_file(struct file *filp, unsigned long arg)  in f2fs_ioc_get_pin_file()  argument
3309 	struct inode *inode = file_inode(filp);  in f2fs_ioc_get_pin_file()
3351 static int f2fs_ioc_precache_extents(struct file *filp, unsigned long arg)  in f2fs_ioc_precache_extents()  argument
3353 	return f2fs_precache_extents(file_inode(filp));  in f2fs_ioc_precache_extents()
3356 static int f2fs_ioc_resize_fs(struct file *filp, unsigned long arg)  in f2fs_ioc_resize_fs()  argument
3358 	struct f2fs_sb_info *sbi = F2FS_I_SB(file_inode(filp));  in f2fs_ioc_resize_fs()
3371 	return f2fs_resize_fs(filp, block_count);  in f2fs_ioc_resize_fs()
3374 static int f2fs_ioc_enable_verity(struct file *filp, unsigned long arg)  in f2fs_ioc_enable_verity()  argument
3376 	struct inode *inode = file_inode(filp);  in f2fs_ioc_enable_verity()
3387 	return fsverity_ioctl_enable(filp, (const void __user *)arg);  in f2fs_ioc_enable_verity()
3390 static int f2fs_ioc_measure_verity(struct file *filp, unsigned long arg)  in f2fs_ioc_measure_verity()  argument
3392 	if (!f2fs_sb_has_verity(F2FS_I_SB(file_inode(filp))))  in f2fs_ioc_measure_verity()
3395 	return fsverity_ioctl_measure(filp, (void __user *)arg);  in f2fs_ioc_measure_verity()
3398 static int f2fs_ioc_read_verity_metadata(struct file *filp, unsigned long arg)  in f2fs_ioc_read_verity_metadata()  argument
3400 	if (!f2fs_sb_has_verity(F2FS_I_SB(file_inode(filp))))  in f2fs_ioc_read_verity_metadata()
3403 	return fsverity_ioctl_read_metadata(filp, (const void __user *)arg);  in f2fs_ioc_read_verity_metadata()
3406 static int f2fs_ioc_getfslabel(struct file *filp, unsigned long arg)  in f2fs_ioc_getfslabel()  argument
3408 	struct inode *inode = file_inode(filp);  in f2fs_ioc_getfslabel()
3432 static int f2fs_ioc_setfslabel(struct file *filp, unsigned long arg)  in f2fs_ioc_setfslabel()  argument
3434 	struct inode *inode = file_inode(filp);  in f2fs_ioc_setfslabel()
3446 	err = mnt_want_write_file(filp);  in f2fs_ioc_setfslabel()
3462 	mnt_drop_write_file(filp);  in f2fs_ioc_setfslabel()
3468 static int f2fs_get_compress_blocks(struct file *filp, unsigned long arg)  in f2fs_get_compress_blocks()  argument
3470 	struct inode *inode = file_inode(filp);  in f2fs_get_compress_blocks()
3537 static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg)  in f2fs_release_compress_blocks()  argument
3539 	struct inode *inode = file_inode(filp);  in f2fs_release_compress_blocks()
3555 	ret = mnt_want_write_file(filp);  in f2fs_release_compress_blocks()
3564 	if ((filp->f_mode & FMODE_WRITE && writecount != 1) ||  in f2fs_release_compress_blocks()
3565 			(!(filp->f_mode & FMODE_WRITE) && writecount)) {  in f2fs_release_compress_blocks()
3627 	mnt_drop_write_file(filp);  in f2fs_release_compress_blocks()
3706 static int f2fs_reserve_compress_blocks(struct file *filp, unsigned long arg)  in f2fs_reserve_compress_blocks()  argument
3708 	struct inode *inode = file_inode(filp);  in f2fs_reserve_compress_blocks()
3723 	ret = mnt_want_write_file(filp);  in f2fs_reserve_compress_blocks()
3786 	mnt_drop_write_file(filp);  in f2fs_reserve_compress_blocks()
3831 static int f2fs_sec_trim_file(struct file *filp, unsigned long arg)  in f2fs_sec_trim_file()  argument
3833 	struct inode *inode = file_inode(filp);  in f2fs_sec_trim_file()
3844 	if (!(filp->f_mode & FMODE_WRITE))  in f2fs_sec_trim_file()
3861 	file_start_write(filp);  in f2fs_sec_trim_file()
3986 	file_end_write(filp);  in f2fs_sec_trim_file()
3991 static int f2fs_ioc_get_compress_option(struct file *filp, unsigned long arg)  in f2fs_ioc_get_compress_option()  argument
3993 	struct inode *inode = file_inode(filp);  in f2fs_ioc_get_compress_option()
4018 static int f2fs_ioc_set_compress_option(struct file *filp, unsigned long arg)  in f2fs_ioc_set_compress_option()  argument
4020 	struct inode *inode = file_inode(filp);  in f2fs_ioc_set_compress_option()
4028 	if (!(filp->f_mode & FMODE_WRITE))  in f2fs_ioc_set_compress_option()
4041 	file_start_write(filp);  in f2fs_ioc_set_compress_option()
4064 	file_end_write(filp);  in f2fs_ioc_set_compress_option()
4102 static int f2fs_ioc_decompress_file(struct file *filp, unsigned long arg)  in f2fs_ioc_decompress_file()  argument
4104 	struct inode *inode = file_inode(filp);  in f2fs_ioc_decompress_file()
4116 	if (!(filp->f_mode & FMODE_WRITE))  in f2fs_ioc_decompress_file()
4124 	file_start_write(filp);  in f2fs_ioc_decompress_file()
4170 	file_end_write(filp);  in f2fs_ioc_decompress_file()
4175 static int f2fs_ioc_compress_file(struct file *filp, unsigned long arg)  in f2fs_ioc_compress_file()  argument
4177 	struct inode *inode = file_inode(filp);  in f2fs_ioc_compress_file()
4188 	if (!(filp->f_mode & FMODE_WRITE))  in f2fs_ioc_compress_file()
4196 	file_start_write(filp);  in f2fs_ioc_compress_file()
4243 	file_end_write(filp);  in f2fs_ioc_compress_file()
4248 static long __f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)  in __f2fs_ioctl()  argument
4252 		return f2fs_ioc_getflags(filp, arg);  in __f2fs_ioctl()
4254 		return f2fs_ioc_setflags(filp, arg);  in __f2fs_ioctl()
4256 		return f2fs_ioc_getversion(filp, arg);  in __f2fs_ioctl()
4258 		return f2fs_ioc_start_atomic_write(filp);  in __f2fs_ioctl()
4260 		return f2fs_ioc_commit_atomic_write(filp);  in __f2fs_ioctl()
4262 		return f2fs_ioc_start_volatile_write(filp);  in __f2fs_ioctl()
4264 		return f2fs_ioc_release_volatile_write(filp);  in __f2fs_ioctl()
4266 		return f2fs_ioc_abort_volatile_write(filp);  in __f2fs_ioctl()
4268 		return f2fs_ioc_shutdown(filp, arg);  in __f2fs_ioctl()
4270 		return f2fs_ioc_fitrim(filp, arg);  in __f2fs_ioctl()
4272 		return f2fs_ioc_set_encryption_policy(filp, arg);  in __f2fs_ioctl()
4274 		return f2fs_ioc_get_encryption_policy(filp, arg);  in __f2fs_ioctl()
4276 		return f2fs_ioc_get_encryption_pwsalt(filp, arg);  in __f2fs_ioctl()
4278 		return f2fs_ioc_get_encryption_policy_ex(filp, arg);  in __f2fs_ioctl()
4280 		return f2fs_ioc_add_encryption_key(filp, arg);  in __f2fs_ioctl()
4282 		return f2fs_ioc_remove_encryption_key(filp, arg);  in __f2fs_ioctl()
4284 		return f2fs_ioc_remove_encryption_key_all_users(filp, arg);  in __f2fs_ioctl()
4286 		return f2fs_ioc_get_encryption_key_status(filp, arg);  in __f2fs_ioctl()
4288 		return f2fs_ioc_get_encryption_nonce(filp, arg);  in __f2fs_ioctl()
4290 		return f2fs_ioc_gc(filp, arg);  in __f2fs_ioctl()
4292 		return f2fs_ioc_gc_range(filp, arg);  in __f2fs_ioctl()
4294 		return f2fs_ioc_write_checkpoint(filp, arg);  in __f2fs_ioctl()
4296 		return f2fs_ioc_defragment(filp, arg);  in __f2fs_ioctl()
4298 		return f2fs_ioc_move_range(filp, arg);  in __f2fs_ioctl()
4300 		return f2fs_ioc_flush_device(filp, arg);  in __f2fs_ioctl()
4302 		return f2fs_ioc_get_features(filp, arg);  in __f2fs_ioctl()
4304 		return f2fs_ioc_fsgetxattr(filp, arg);  in __f2fs_ioctl()
4306 		return f2fs_ioc_fssetxattr(filp, arg);  in __f2fs_ioctl()
4308 		return f2fs_ioc_get_pin_file(filp, arg);  in __f2fs_ioctl()
4310 		return f2fs_ioc_set_pin_file(filp, arg);  in __f2fs_ioctl()
4312 		return f2fs_ioc_precache_extents(filp, arg);  in __f2fs_ioctl()
4314 		return f2fs_ioc_resize_fs(filp, arg);  in __f2fs_ioctl()
4316 		return f2fs_ioc_enable_verity(filp, arg);  in __f2fs_ioctl()
4318 		return f2fs_ioc_measure_verity(filp, arg);  in __f2fs_ioctl()
4320 		return f2fs_ioc_read_verity_metadata(filp, arg);  in __f2fs_ioctl()
4322 		return f2fs_ioc_getfslabel(filp, arg);  in __f2fs_ioctl()
4324 		return f2fs_ioc_setfslabel(filp, arg);  in __f2fs_ioctl()
4326 		return f2fs_get_compress_blocks(filp, arg);  in __f2fs_ioctl()
4328 		return f2fs_release_compress_blocks(filp, arg);  in __f2fs_ioctl()
4330 		return f2fs_reserve_compress_blocks(filp, arg);  in __f2fs_ioctl()
4332 		return f2fs_sec_trim_file(filp, arg);  in __f2fs_ioctl()
4334 		return f2fs_ioc_get_compress_option(filp, arg);  in __f2fs_ioctl()
4336 		return f2fs_ioc_set_compress_option(filp, arg);  in __f2fs_ioctl()
4338 		return f2fs_ioc_decompress_file(filp, arg);  in __f2fs_ioctl()
4340 		return f2fs_ioc_compress_file(filp, arg);  in __f2fs_ioctl()
4346 long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)  in f2fs_ioctl()  argument
4348 	if (unlikely(f2fs_cp_error(F2FS_I_SB(file_inode(filp)))))  in f2fs_ioctl()
4350 	if (!f2fs_is_checkpoint_ready(F2FS_I_SB(file_inode(filp))))  in f2fs_ioctl()
4353 	return __f2fs_ioctl(filp, cmd, arg);  in f2fs_ioctl()