From 86e42d748211e58beee431b2639e57ac01ffe3be Mon Sep 17 00:00:00 2001 From: "Venkateswararao Jujjuri (JV)" Date: Mon, 8 Aug 2011 23:33:48 +0530 Subject: hw/9pfs: Add yeild support for readlink Signed-off-by: Venkateswararao Jujjuri (JV) Signed-off-by: Aneesh Kumar K.V --- hw/9pfs/cofs.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 hw/9pfs/cofs.c (limited to 'hw/9pfs/cofs.c') diff --git a/hw/9pfs/cofs.c b/hw/9pfs/cofs.c new file mode 100644 index 0000000..6bb8b47 --- /dev/null +++ b/hw/9pfs/cofs.c @@ -0,0 +1,44 @@ + +/* + * Virtio 9p backend + * + * Copyright IBM, Corp. 2011 + * + * Authors: + * Aneesh Kumar K.V + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + */ + +#include "fsdev/qemu-fsdev.h" +#include "qemu-thread.h" +#include "qemu-coroutine.h" +#include "virtio-9p-coth.h" + +int v9fs_co_readlink(V9fsState *s, V9fsString *path, V9fsString *buf) +{ + int err; + ssize_t len; + + buf->data = qemu_malloc(PATH_MAX); + v9fs_co_run_in_worker( + { + len = s->ops->readlink(&s->ctx, path->data, + buf->data, PATH_MAX - 1); + if (len > -1) { + buf->size = len; + buf->data[len] = 0; + err = 0; + } else { + err = -errno; + } + }); + if (err) { + qemu_free(buf->data); + buf->data = NULL; + buf->size = 0; + } + return err; +} -- cgit v1.1 From 94840ff9f383d4f7099394cc53af48f0a7065132 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Wed, 18 May 2011 16:03:49 -0700 Subject: hw/9pfs: Add yield support to statfs coroutine Signed-off-by: Aneesh Kumar K.V --- hw/9pfs/cofs.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'hw/9pfs/cofs.c') diff --git a/hw/9pfs/cofs.c b/hw/9pfs/cofs.c index 6bb8b47..4138e4d 100644 --- a/hw/9pfs/cofs.c +++ b/hw/9pfs/cofs.c @@ -42,3 +42,17 @@ int v9fs_co_readlink(V9fsState *s, V9fsString *path, V9fsString *buf) } return err; } + +int v9fs_co_statfs(V9fsState *s, V9fsString *path, struct statfs *stbuf) +{ + int err; + + v9fs_co_run_in_worker( + { + err = s->ops->statfs(&s->ctx, path->data, stbuf); + if (err < 0) { + err = -errno; + } + }); + return err; +} -- cgit v1.1 From 4011ead2fdba4da764ffef3dbcf00d2f7772cdb9 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Wed, 18 May 2011 16:04:58 -0700 Subject: hw/9pfs: Add yield support to setattr related coroutines This include chmod, utimensat, chown and truncate. Signed-off-by: Aneesh Kumar K.V --- hw/9pfs/cofs.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) (limited to 'hw/9pfs/cofs.c') diff --git a/hw/9pfs/cofs.c b/hw/9pfs/cofs.c index 4138e4d..7e9df85 100644 --- a/hw/9pfs/cofs.c +++ b/hw/9pfs/cofs.c @@ -56,3 +56,67 @@ int v9fs_co_statfs(V9fsState *s, V9fsString *path, struct statfs *stbuf) }); return err; } + +int v9fs_co_chmod(V9fsState *s, V9fsString *path, mode_t mode) +{ + int err; + FsCred cred; + + cred_init(&cred); + cred.fc_mode = mode; + v9fs_co_run_in_worker( + { + err = s->ops->chmod(&s->ctx, path->data, &cred); + if (err < 0) { + err = -errno; + } + }); + return err; +} + +int v9fs_co_utimensat(V9fsState *s, V9fsString *path, + struct timespec times[2]) +{ + int err; + + v9fs_co_run_in_worker( + { + err = s->ops->utimensat(&s->ctx, path->data, times); + if (err < 0) { + err = -errno; + } + }); + return err; +} + +int v9fs_co_chown(V9fsState *s, V9fsString *path, uid_t uid, gid_t gid) +{ + int err; + FsCred cred; + + cred_init(&cred); + cred.fc_uid = uid; + cred.fc_gid = gid; + v9fs_co_run_in_worker( + { + err = s->ops->chown(&s->ctx, path->data, &cred); + if (err < 0) { + err = -errno; + } + }); + return err; +} + +int v9fs_co_truncate(V9fsState *s, V9fsString *path, off_t size) +{ + int err; + + v9fs_co_run_in_worker( + { + err = s->ops->truncate(&s->ctx, path->data, size); + if (err < 0) { + err = -errno; + } + }); + return err; +} -- cgit v1.1 From 00ace8c5c534d5b7d42099e7c2e82a79f8591cb7 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Wed, 18 May 2011 16:06:38 -0700 Subject: hw/9pfs: Add yield support to mknod coroutine Signed-off-by: Aneesh Kumar K.V --- hw/9pfs/cofs.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'hw/9pfs/cofs.c') diff --git a/hw/9pfs/cofs.c b/hw/9pfs/cofs.c index 7e9df85..6fcedd8 100644 --- a/hw/9pfs/cofs.c +++ b/hw/9pfs/cofs.c @@ -120,3 +120,24 @@ int v9fs_co_truncate(V9fsState *s, V9fsString *path, off_t size) }); return err; } + +int v9fs_co_mknod(V9fsState *s, V9fsString *path, uid_t uid, + gid_t gid, dev_t dev, mode_t mode) +{ + int err; + FsCred cred; + + cred_init(&cred); + cred.fc_uid = uid; + cred.fc_gid = gid; + cred.fc_mode = mode; + cred.fc_rdev = dev; + v9fs_co_run_in_worker( + { + err = s->ops->mknod(&s->ctx, path->data, &cred); + if (err < 0) { + err = -errno; + } + }); + return err; +} -- cgit v1.1 From b4b1537b96fc57b50a676006868ab97093d040c8 Mon Sep 17 00:00:00 2001 From: Venkateswararao Jujjuri Date: Mon, 8 Aug 2011 23:48:29 +0530 Subject: hw/9pfs: Add yield support for remove Signed-off-by: Venkateswararao Jujjuri Signed-off-by: Aneesh Kumar K.V --- hw/9pfs/cofs.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'hw/9pfs/cofs.c') diff --git a/hw/9pfs/cofs.c b/hw/9pfs/cofs.c index 6fcedd8..8fbfe73 100644 --- a/hw/9pfs/cofs.c +++ b/hw/9pfs/cofs.c @@ -141,3 +141,17 @@ int v9fs_co_mknod(V9fsState *s, V9fsString *path, uid_t uid, }); return err; } + +int v9fs_co_remove(V9fsState *s, V9fsString *path) +{ + int err; + + v9fs_co_run_in_worker( + { + err = s->ops->remove(&s->ctx, path->data); + if (err < 0) { + err = -errno; + } + }); + return err; +} -- cgit v1.1 From 2a487e05def38b73ae25db61f62fdc00b9e5e732 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Sat, 7 May 2011 16:09:10 +0530 Subject: hw/9pfs: Add yeild support to rename coroutine Signed-off-by: Aneesh Kumar K.V --- hw/9pfs/cofs.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'hw/9pfs/cofs.c') diff --git a/hw/9pfs/cofs.c b/hw/9pfs/cofs.c index 8fbfe73..473ce53 100644 --- a/hw/9pfs/cofs.c +++ b/hw/9pfs/cofs.c @@ -155,3 +155,17 @@ int v9fs_co_remove(V9fsState *s, V9fsString *path) }); return err; } + +int v9fs_co_rename(V9fsState *s, V9fsString *oldpath, V9fsString *newpath) +{ + int err; + + v9fs_co_run_in_worker( + { + err = s->ops->rename(&s->ctx, oldpath->data, newpath->data); + if (err < 0) { + err = -errno; + } + }); + return err; +} -- cgit v1.1