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-rw-r--r--source3/modules/vfs_gpfs.c190
1 files changed, 190 insertions, 0 deletions
diff --git a/source3/modules/vfs_gpfs.c b/source3/modules/vfs_gpfs.c
index a988c09164..7a012573f0 100644
--- a/source3/modules/vfs_gpfs.c
+++ b/source3/modules/vfs_gpfs.c
@@ -34,6 +34,7 @@
#include "vfs_gpfs.h"
#include "system/filesys.h"
#include "auth.h"
+#include "lib/util/tevent_unix.h"
struct gpfs_config_data {
bool sharemodes;
@@ -1691,6 +1692,189 @@ static int vfs_gpfs_open(struct vfs_handle_struct *handle,
return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
}
+static ssize_t vfs_gpfs_pread(vfs_handle_struct *handle, files_struct *fsp,
+ void *data, size_t n, off_t offset)
+{
+ ssize_t ret;
+
+ ret = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
+
+ DEBUG(10, ("vfs_private = %x\n",
+ (unsigned int)fsp->fsp_name->st.vfs_private));
+
+ if ((ret != -1) &&
+ ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
+ fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
+ notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
+ FILE_NOTIFY_CHANGE_ATTRIBUTES,
+ fsp->fsp_name->base_name);
+ }
+
+ return ret;
+}
+
+struct vfs_gpfs_pread_state {
+ struct files_struct *fsp;
+ ssize_t ret;
+ int err;
+};
+
+static void vfs_gpfs_pread_done(struct tevent_req *subreq);
+
+static struct tevent_req *vfs_gpfs_pread_send(struct vfs_handle_struct *handle,
+ TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct files_struct *fsp,
+ void *data, size_t n,
+ off_t offset)
+{
+ struct tevent_req *req, *subreq;
+ struct vfs_gpfs_pread_state *state;
+
+ req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pread_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->fsp = fsp;
+ subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp, data,
+ n, offset);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, vfs_gpfs_pread_done, req);
+ return req;
+}
+
+static void vfs_gpfs_pread_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct vfs_gpfs_pread_state *state = tevent_req_data(
+ req, struct vfs_gpfs_pread_state);
+
+ state->ret = SMB_VFS_PREAD_RECV(subreq, &state->err);
+ TALLOC_FREE(subreq);
+ tevent_req_done(req);
+}
+
+static ssize_t vfs_gpfs_pread_recv(struct tevent_req *req, int *err)
+{
+ struct vfs_gpfs_pread_state *state = tevent_req_data(
+ req, struct vfs_gpfs_pread_state);
+ struct files_struct *fsp = state->fsp;
+
+ if (tevent_req_is_unix_error(req, err)) {
+ return -1;
+ }
+ *err = state->err;
+
+ DEBUG(10, ("vfs_private = %x\n",
+ (unsigned int)fsp->fsp_name->st.vfs_private));
+
+ if ((state->ret != -1) &&
+ ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
+ fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
+ DEBUG(10, ("sending notify\n"));
+ notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
+ FILE_NOTIFY_CHANGE_ATTRIBUTES,
+ fsp->fsp_name->base_name);
+ }
+
+ return state->ret;
+}
+
+static ssize_t vfs_gpfs_pwrite(vfs_handle_struct *handle, files_struct *fsp,
+ const void *data, size_t n, off_t offset)
+{
+ ssize_t ret;
+
+ ret = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
+
+ DEBUG(10, ("vfs_private = %x\n",
+ (unsigned int)fsp->fsp_name->st.vfs_private));
+
+ if ((ret != -1) &&
+ ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
+ fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
+ notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
+ FILE_NOTIFY_CHANGE_ATTRIBUTES,
+ fsp->fsp_name->base_name);
+ }
+
+ return ret;
+}
+
+struct vfs_gpfs_pwrite_state {
+ struct files_struct *fsp;
+ ssize_t ret;
+ int err;
+};
+
+static void vfs_gpfs_pwrite_done(struct tevent_req *subreq);
+
+static struct tevent_req *vfs_gpfs_pwrite_send(
+ struct vfs_handle_struct *handle,
+ TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct files_struct *fsp,
+ const void *data, size_t n,
+ off_t offset)
+{
+ struct tevent_req *req, *subreq;
+ struct vfs_gpfs_pwrite_state *state;
+
+ req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pwrite_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->fsp = fsp;
+ subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp, data,
+ n, offset);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, vfs_gpfs_pwrite_done, req);
+ return req;
+}
+
+static void vfs_gpfs_pwrite_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct vfs_gpfs_pwrite_state *state = tevent_req_data(
+ req, struct vfs_gpfs_pwrite_state);
+
+ state->ret = SMB_VFS_PWRITE_RECV(subreq, &state->err);
+ TALLOC_FREE(subreq);
+ tevent_req_done(req);
+}
+
+static ssize_t vfs_gpfs_pwrite_recv(struct tevent_req *req, int *err)
+{
+ struct vfs_gpfs_pwrite_state *state = tevent_req_data(
+ req, struct vfs_gpfs_pwrite_state);
+ struct files_struct *fsp = state->fsp;
+
+ if (tevent_req_is_unix_error(req, err)) {
+ return -1;
+ }
+ *err = state->err;
+
+ DEBUG(10, ("vfs_private = %x\n",
+ (unsigned int)fsp->fsp_name->st.vfs_private));
+
+ if ((state->ret != -1) &&
+ ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
+ fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
+ DEBUG(10, ("sending notify\n"));
+ notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
+ FILE_NOTIFY_CHANGE_ATTRIBUTES,
+ fsp->fsp_name->base_name);
+ }
+
+ return state->ret;
+}
+
static struct vfs_fn_pointers vfs_gpfs_fns = {
.connect_fn = vfs_gpfs_connect,
@@ -1721,6 +1905,12 @@ static struct vfs_fn_pointers vfs_gpfs_fns = {
.sendfile_fn = vfs_gpfs_sendfile,
.fallocate_fn = vfs_gpfs_fallocate,
.open_fn = vfs_gpfs_open,
+ .pread_fn = vfs_gpfs_pread,
+ .pread_send_fn = vfs_gpfs_pread_send,
+ .pread_recv_fn = vfs_gpfs_pread_recv,
+ .pwrite_fn = vfs_gpfs_pwrite,
+ .pwrite_send_fn = vfs_gpfs_pwrite_send,
+ .pwrite_recv_fn = vfs_gpfs_pwrite_recv,
.ftruncate_fn = vfs_gpfs_ftruncate
};