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authorDavid Howells <dhowells@redhat.com>2019-07-17 02:28:47 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-17 05:23:23 +0300
commit8fc8b9df831387e0d02c1d0f5bb53d327e0d477a (patch)
treed05556aaa107f55bbe5e9a398afad8595c5f9648 /fs/coda/coda_psdev.h
parentb6a18c60080fcff0921e81991fec049394fb04e9 (diff)
downloadlinux-8fc8b9df831387e0d02c1d0f5bb53d327e0d477a.tar.xz
coda: move internal defs out of include/linux/ [ver #2]
Move include/linux/coda_psdev.h to fs/coda/ as there's nothing else that uses it. Link: http://lkml.kernel.org/r/3ceeee0415a929b89fb02700b6b4b3a07938acb8.1558117389.git.jaharkes@cs.cmu.edu Link: https://patchwork.kernel.org/patch/10590257/ Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu> Cc: Yann Droneaud <ydroneaud@opteya.com> Cc: Jan Harkes <jaharkes@cs.cmu.edu> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Colin Ian King <colin.king@canonical.com> Cc: Dan Carpenter <dan.carpenter@oracle.com> Cc: Fabian Frederick <fabf@skynet.be> Cc: Mikko Rapeli <mikko.rapeli@iki.fi> Cc: Sam Protsenko <semen.protsenko@linaro.org> Cc: Zhouyang Jia <jiazhouyang09@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/coda/coda_psdev.h')
-rw-r--r--fs/coda/coda_psdev.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/fs/coda/coda_psdev.h b/fs/coda/coda_psdev.h
new file mode 100644
index 000000000000..012e16f741a6
--- /dev/null
+++ b/fs/coda/coda_psdev.h
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __CODA_PSDEV_H
+#define __CODA_PSDEV_H
+
+#include <linux/backing-dev.h>
+#include <linux/mutex.h>
+#include <linux/coda_psdev.h>
+
+struct kstatfs;
+
+/* 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 */
+};
+
+#define CODA_REQ_ASYNC 0x1
+#define CODA_REQ_READ 0x2
+#define CODA_REQ_WRITE 0x4
+#define CODA_REQ_ABORT 0x8
+
+/* 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 mutex vc_mutex;
+};
+
+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 *sb, 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,
+ size_t nbytes);
+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