9pfs: use coroutine_fn annotation in hw/9pfs/co*.[ch]

All these functions use the v9fs_co_run_in_worker() macro, and thus always
call qemu_coroutine_self() and qemu_coroutine_yield().

Let's mark them to make it obvious they execute in coroutine context.

Signed-off-by: Greg Kurz <groug@kaod.org>

1 files changed, 17 insertions, 15 deletions

diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c
index 10343c0a93..120e267108 100644
--- a/hw/9pfs/cofile.c
+++ b/hw/9pfs/cofile.c
@@ -17,8 +17,8 @@
 #include "qemu/coroutine.h"
 #include "coth.h"
 
-int v9fs_co_st_gen(V9fsPDU *pdu, V9fsPath *path, mode_t st_mode,
-                   V9fsStatDotl *v9stat)
+int coroutine_fn v9fs_co_st_gen(V9fsPDU *pdu, V9fsPath *path, mode_t st_mode,
+                                V9fsStatDotl *v9stat)
 {
     int err = 0;
     V9fsState *s = pdu->s;
@@ -41,7 +41,7 @@ int v9fs_co_st_gen(V9fsPDU *pdu, V9fsPath *path, mode_t st_mode,
     return err;
 }
 
-int v9fs_co_lstat(V9fsPDU *pdu, V9fsPath *path, struct stat *stbuf)
+int coroutine_fn v9fs_co_lstat(V9fsPDU *pdu, V9fsPath *path, struct stat *stbuf)
 {
     int err;
     V9fsState *s = pdu->s;
@@ -61,7 +61,8 @@ int v9fs_co_lstat(V9fsPDU *pdu, V9fsPath *path, struct stat *stbuf)
     return err;
 }
 
-int v9fs_co_fstat(V9fsPDU *pdu, V9fsFidState *fidp, struct stat *stbuf)
+int coroutine_fn v9fs_co_fstat(V9fsPDU *pdu, V9fsFidState *fidp,
+                               struct stat *stbuf)
 {
     int err;
     V9fsState *s = pdu->s;
@@ -93,7 +94,7 @@ int v9fs_co_fstat(V9fsPDU *pdu, V9fsFidState *fidp, struct stat *stbuf)
     return err;
 }
 
-int v9fs_co_open(V9fsPDU *pdu, V9fsFidState *fidp, int flags)
+int coroutine_fn v9fs_co_open(V9fsPDU *pdu, V9fsFidState *fidp, int flags)
 {
     int err;
     V9fsState *s = pdu->s;
@@ -121,8 +122,9 @@ int v9fs_co_open(V9fsPDU *pdu, V9fsFidState *fidp, int flags)
     return err;
 }
 
-int v9fs_co_open2(V9fsPDU *pdu, V9fsFidState *fidp, V9fsString *name, gid_t gid,
-                  int flags, int mode, struct stat *stbuf)
+int coroutine_fn v9fs_co_open2(V9fsPDU *pdu, V9fsFidState *fidp,
+                               V9fsString *name, gid_t gid, int flags, int mode,
+                               struct stat *stbuf)
 {
     int err;
     FsCred cred;
@@ -175,7 +177,7 @@ int v9fs_co_open2(V9fsPDU *pdu, V9fsFidState *fidp, V9fsString *name, gid_t gid,
     return err;
 }
 
-int v9fs_co_close(V9fsPDU *pdu, V9fsFidOpenState *fs)
+int coroutine_fn v9fs_co_close(V9fsPDU *pdu, V9fsFidOpenState *fs)
 {
     int err;
     V9fsState *s = pdu->s;
@@ -196,7 +198,7 @@ int v9fs_co_close(V9fsPDU *pdu, V9fsFidOpenState *fs)
     return err;
 }
 
-int v9fs_co_fsync(V9fsPDU *pdu, V9fsFidState *fidp, int datasync)
+int coroutine_fn v9fs_co_fsync(V9fsPDU *pdu, V9fsFidState *fidp, int datasync)
 {
     int err;
     V9fsState *s = pdu->s;
@@ -214,8 +216,8 @@ int v9fs_co_fsync(V9fsPDU *pdu, V9fsFidState *fidp, int datasync)
     return err;
 }
 
-int v9fs_co_link(V9fsPDU *pdu, V9fsFidState *oldfid,
-                 V9fsFidState *newdirfid, V9fsString *name)
+int coroutine_fn v9fs_co_link(V9fsPDU *pdu, V9fsFidState *oldfid,
+                              V9fsFidState *newdirfid, V9fsString *name)
 {
     int err;
     V9fsState *s = pdu->s;
@@ -236,8 +238,8 @@ int v9fs_co_link(V9fsPDU *pdu, V9fsFidState *oldfid,
     return err;
 }
 
-int v9fs_co_pwritev(V9fsPDU *pdu, V9fsFidState *fidp,
-                    struct iovec *iov, int iovcnt, int64_t offset)
+int coroutine_fn v9fs_co_pwritev(V9fsPDU *pdu, V9fsFidState *fidp,
+                                 struct iovec *iov, int iovcnt, int64_t offset)
 {
     int err;
     V9fsState *s = pdu->s;
@@ -255,8 +257,8 @@ int v9fs_co_pwritev(V9fsPDU *pdu, V9fsFidState *fidp,
     return err;
 }
 
-int v9fs_co_preadv(V9fsPDU *pdu, V9fsFidState *fidp,
-                   struct iovec *iov, int iovcnt, int64_t offset)
+int coroutine_fn v9fs_co_preadv(V9fsPDU *pdu, V9fsFidState *fidp,
+                                struct iovec *iov, int iovcnt, int64_t offset)
 {
     int err;
     V9fsState *s = pdu->s;