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kernel-49/include/linux/coda_psdev.h
Greg Kroah-Hartman 1bcdbccb9b Merge 4.9.188 into android-4.9
Changes in 4.9.188
	ARM: riscpc: fix DMA
	ARM: dts: rockchip: Make rk3288-veyron-minnie run at hs200
	ARM: dts: rockchip: Make rk3288-veyron-mickey's emmc work again
	ARM: dts: rockchip: Mark that the rk3288 timer might stop in suspend
	ftrace: Enable trampoline when rec count returns back to one
	kernel/module.c: Only return -EEXIST for modules that have finished loading
	MIPS: lantiq: Fix bitfield masking
	dmaengine: rcar-dmac: Reject zero-length slave DMA requests
	fs/adfs: super: fix use-after-free bug
	btrfs: fix minimum number of chunk errors for DUP
	ceph: fix improper use of smp_mb__before_atomic()
	ceph: return -ERANGE if virtual xattr value didn't fit in buffer
	scsi: zfcp: fix GCC compiler warning emitted with -Wmaybe-uninitialized
	ACPI: fix false-positive -Wuninitialized warning
	be2net: Signal that the device cannot transmit during reconfiguration
	x86/apic: Silence -Wtype-limits compiler warnings
	x86: math-emu: Hide clang warnings for 16-bit overflow
	mm/cma.c: fail if fixed declaration can't be honored
	coda: add error handling for fget
	coda: fix build using bare-metal toolchain
	uapi linux/coda_psdev.h: move upc_req definition from uapi to kernel side headers
	drivers/rapidio/devices/rio_mport_cdev.c: NUL terminate some strings
	ipc/mqueue.c: only perform resource calculation if user valid
	x86/kvm: Don't call kvm_spurious_fault() from .fixup
	x86, boot: Remove multiple copy of static function sanitize_boot_params()
	kbuild: initialize CLANG_FLAGS correctly in the top Makefile
	Btrfs: fix incremental send failure after deduplication
	mmc: dw_mmc: Fix occasional hang after tuning on eMMC
	gpiolib: fix incorrect IRQ requesting of an active-low lineevent
	selinux: fix memory leak in policydb_init()
	s390/dasd: fix endless loop after read unit address configuration
	drivers/perf: arm_pmu: Fix failure path in PM notifier
	xen/swiotlb: fix condition for calling xen_destroy_contiguous_region()
	IB/mlx5: Fix RSS Toeplitz setup to be aligned with the HW specification
	coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping
	infiniband: fix race condition between infiniband mlx4, mlx5 driver and core dumping
	coredump: fix race condition between collapse_huge_page() and core dumping
	eeprom: at24: make spd world-readable again
	Backport minimal compiler_attributes.h to support GCC 9
	include/linux/module.h: copy __init/__exit attrs to init/cleanup_module
	objtool: Support GCC 9 cold subfunction naming scheme
	x86, mm, gup: prevent get_page() race with munmap in paravirt guest
	Linux 4.9.188

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2019-08-08 21:07:44 +03:00

84 lines
3.0 KiB
C

#ifndef __CODA_PSDEV_H
#define __CODA_PSDEV_H
#include <linux/backing-dev.h>
#include <linux/mutex.h>
#include <uapi/linux/coda_psdev.h>
struct kstatfs;
/* communication pending/processing queues */
struct venus_comm {
u_long vc_seq;
wait_queue_head_t vc_waitq; /* Venus wait queue */
struct list_head vc_pending;
struct list_head vc_processing;
int vc_inuse;
struct super_block *vc_sb;
struct backing_dev_info bdi;
struct mutex vc_mutex;
};
/* messages between coda filesystem in kernel and Venus */
struct upc_req {
struct list_head uc_chain;
caddr_t uc_data;
u_short uc_flags;
u_short uc_inSize; /* Size is at most 5000 bytes */
u_short uc_outSize;
u_short uc_opcode; /* copied from data to save lookup */
int uc_unique;
wait_queue_head_t uc_sleep; /* process' wait queue */
};
static inline struct venus_comm *coda_vcp(struct super_block *sb)
{
return (struct venus_comm *)((sb)->s_fs_info);
}
/* upcalls */
int venus_rootfid(struct super_block *sb, struct CodaFid *fidp);
int venus_getattr(struct super_block *sb, struct CodaFid *fid,
struct coda_vattr *attr);
int venus_setattr(struct super_block *, struct CodaFid *, struct coda_vattr *);
int venus_lookup(struct super_block *sb, struct CodaFid *fid,
const char *name, int length, int *type,
struct CodaFid *resfid);
int venus_close(struct super_block *sb, struct CodaFid *fid, int flags,
kuid_t uid);
int venus_open(struct super_block *sb, struct CodaFid *fid, int flags,
struct file **f);
int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid,
const char *name, int length,
struct CodaFid *newfid, struct coda_vattr *attrs);
int venus_create(struct super_block *sb, struct CodaFid *dirfid,
const char *name, int length, int excl, int mode,
struct CodaFid *newfid, struct coda_vattr *attrs) ;
int venus_rmdir(struct super_block *sb, struct CodaFid *dirfid,
const char *name, int length);
int venus_remove(struct super_block *sb, struct CodaFid *dirfid,
const char *name, int length);
int venus_readlink(struct super_block *sb, struct CodaFid *fid,
char *buffer, int *length);
int venus_rename(struct super_block *, struct CodaFid *new_fid,
struct CodaFid *old_fid, size_t old_length,
size_t new_length, const char *old_name,
const char *new_name);
int venus_link(struct super_block *sb, struct CodaFid *fid,
struct CodaFid *dirfid, const char *name, int len );
int venus_symlink(struct super_block *sb, struct CodaFid *fid,
const char *name, int len, const char *symname, int symlen);
int venus_access(struct super_block *sb, struct CodaFid *fid, int mask);
int venus_pioctl(struct super_block *sb, struct CodaFid *fid,
unsigned int cmd, struct PioctlData *data);
int coda_downcall(struct venus_comm *vcp, int opcode, union outputArgs *out);
int venus_fsync(struct super_block *sb, struct CodaFid *fid);
int venus_statfs(struct dentry *dentry, struct kstatfs *sfs);
/*
* Statistics
*/
extern struct venus_comm coda_comms[];
#endif