along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+/**
+ * @file vfs_glusterfs.c
+ * @author Anand Avati <avati@redhat.com>
+ * @date May 2013
+ * @brief Samba VFS module for glusterfs
+ *
+ * @todo
+ * - sendfile/recvfile support
+ *
+ * A Samba VFS module for GlusterFS, based on Gluster's libgfapi.
+ * This is a "bottom" vfs module (not something to be stacked on top of
+ * another module), and translates (most) calls to the closest actions
+ * available in libgfapi.
+ *
+ */
+
#include "includes.h"
#include "smbd/smbd.h"
#include <stdio.h>
-#include "api/glfs.h"
+#include <glusterfs/api/glfs.h>
#include "lib/util/dlinklist.h"
+#include "lib/util/tevent_unix.h"
+#include "smbd/globals.h"
+#include "lib/util/sys_rw.h"
+#include "smbprofile.h"
+#include "modules/posixacl_xattr.h"
#define DEFAULT_VOLFILE_SERVER "localhost"
-/*
- TODO
- ----
- Short term:
- - AIO support
- - sendfile/recvfile support
-*/
-
-/* Helpers to provide 'integer' fds */
-
-/* This is global. gfapi's FD operations do not
- require filesystem context.
-*/
-
-static glfs_fd_t **glfd_fd;
-static int glfd_fd_size;
-static int glfd_fd_used;
-
-static int glfd_fd_store(glfs_fd_t *glfd)
-{
- int i;
- void *tmp;
-
- if (glfd_fd_size == glfd_fd_used) {
- if (glfd_fd_size >= INT_MAX - 1) {
- errno = ENOMEM;
- return -1;
- }
-
- tmp = talloc_realloc(glfd_fd, glfd_fd, glfs_fd_t *,
- glfd_fd_size + 1);
- if (tmp == NULL) {
- errno = ENOMEM;
- return -1;
- }
-
- glfd_fd = tmp;
- glfd_fd[glfd_fd_size] = 0;
- glfd_fd_size++;
- }
-
- for (i = 0; i < glfd_fd_size; i++) {
- if (glfd_fd[i] == NULL) {
- break;
- }
- }
- glfd_fd_used++;
- glfd_fd[i] = glfd;
- return i;
-}
-
-static glfs_fd_t *glfd_fd_get(int i)
-{
- if (i < 0 || i >= glfd_fd_size) {
- return NULL;
- }
- return glfd_fd[i];
-}
-
-static glfs_fd_t *glfd_fd_clear(int i)
-{
- glfs_fd_t *glfd = NULL;
-
- if (i < 0 || i >= glfd_fd_size) {
- return NULL;
- }
-
- glfd = glfd_fd[i];
-
- glfd_fd[i] = 0;
- glfd_fd_used--;
- return glfd;
-}
-
-/* Helper to convert stat to stat_ex */
+static int read_fd = -1;
+static int write_fd = -1;
+static struct tevent_fd *aio_read_event = NULL;
+/**
+ * Helper to convert struct stat to struct stat_ex.
+ */
static void smb_stat_ex_from_stat(struct stat_ex *dst, const struct stat *src)
{
ZERO_STRUCTP(dst);
dst->st_ex_rdev = src->st_rdev;
dst->st_ex_size = src->st_size;
dst->st_ex_atime.tv_sec = src->st_atime;
-#ifdef STAT_HAVE_NSEC
- dst->st_ex_atime.tv_nsec = src->st_atime_nsec;
-#endif
dst->st_ex_mtime.tv_sec = src->st_mtime;
-#ifdef STAT_HAVE_NSEC
- dst->st_ex_mtime.tv_nsec = src->st_mtime_nsec;
-#endif
dst->st_ex_ctime.tv_sec = src->st_ctime;
-#ifdef STAT_HAVE_NSEC
- dst->st_ex_ctime.tv_nsec = src->st_ctime_nsec;
-#endif
dst->st_ex_btime.tv_sec = src->st_mtime;
+ dst->st_ex_blksize = src->st_blksize;
+ dst->st_ex_blocks = src->st_blocks;
#ifdef STAT_HAVE_NSEC
+ dst->st_ex_atime.tv_nsec = src->st_atime_nsec;
+ dst->st_ex_mtime.tv_nsec = src->st_mtime_nsec;
+ dst->st_ex_ctime.tv_nsec = src->st_ctime_nsec;
dst->st_ex_btime.tv_nsec = src->st_mtime_nsec;
#endif
- dst->st_ex_blksize = src->st_blksize;
- dst->st_ex_blocks = src->st_blocks;
}
/* pre-opened glfs_t */
static struct glfs_preopened {
char *volume;
+ char *connectpath;
glfs_t *fs;
int ref;
struct glfs_preopened *next, *prev;
} *glfs_preopened;
-int glfs_set_preopened(const char *volume, glfs_t *fs)
+static int glfs_set_preopened(const char *volume, const char *connectpath, glfs_t *fs)
{
struct glfs_preopened *entry = NULL;
return -1;
}
+ entry->connectpath = talloc_strdup(entry, connectpath);
+ if (entry->connectpath == NULL) {
+ talloc_free(entry);
+ errno = ENOMEM;
+ return -1;
+ }
+
entry->fs = fs;
entry->ref = 1;
return 0;
}
-static glfs_t *glfs_find_preopened(const char *volume)
+static glfs_t *glfs_find_preopened(const char *volume, const char *connectpath)
{
struct glfs_preopened *entry = NULL;
for (entry = glfs_preopened; entry; entry = entry->next) {
- if (strcmp(entry->volume, volume) == 0) {
+ if (strcmp(entry->volume, volume) == 0 &&
+ strcmp(entry->connectpath, connectpath) == 0)
+ {
entry->ref++;
return entry->fs;
}
}
}
+static int vfs_gluster_set_volfile_servers(glfs_t *fs,
+ const char *volfile_servers)
+{
+ char *server = NULL;
+ int server_count = 0;
+ int server_success = 0;
+ int ret = -1;
+ TALLOC_CTX *frame = talloc_stackframe();
+
+ DBG_INFO("servers list %s\n", volfile_servers);
+
+ while (next_token_talloc(frame, &volfile_servers, &server, " \t")) {
+ char *transport = NULL;
+ char *host = NULL;
+ int port = 0;
+
+ server_count++;
+ DBG_INFO("server %d %s\n", server_count, server);
+
+ /* Determine the transport type */
+ if (strncmp(server, "unix+", 5) == 0) {
+ port = 0;
+ transport = talloc_strdup(frame, "unix");
+ if (!transport) {
+ errno = ENOMEM;
+ goto out;
+ }
+ host = talloc_strdup(frame, server + 5);
+ if (!host) {
+ errno = ENOMEM;
+ goto out;
+ }
+ } else {
+ char *p = NULL;
+ char *port_index = NULL;
+
+ if (strncmp(server, "tcp+", 4) == 0) {
+ server += 4;
+ }
+
+ /* IPv6 is enclosed in []
+ * ':' before ']' is part of IPv6
+ * ':' after ']' indicates port
+ */
+ p = server;
+ if (server[0] == '[') {
+ server++;
+ p = index(server, ']');
+ if (p == NULL) {
+ /* Malformed IPv6 */
+ continue;
+ }
+ p[0] = '\0';
+ p++;
+ }
+
+ port_index = index(p, ':');
+
+ if (port_index == NULL) {
+ port = 0;
+ } else {
+ port = atoi(port_index + 1);
+ port_index[0] = '\0';
+ }
+ transport = talloc_strdup(frame, "tcp");
+ if (!transport) {
+ errno = ENOMEM;
+ goto out;
+ }
+ host = talloc_strdup(frame, server);
+ if (!host) {
+ errno = ENOMEM;
+ goto out;
+ }
+ }
+
+ DBG_INFO("Calling set volfile server with params "
+ "transport=%s, host=%s, port=%d\n", transport,
+ host, port);
+
+ ret = glfs_set_volfile_server(fs, transport, host, port);
+ if (ret < 0) {
+ DBG_WARNING("Failed to set volfile_server "
+ "transport=%s, host=%s, port=%d (%s)\n",
+ transport, host, port, strerror(errno));
+ } else {
+ server_success++;
+ }
+ }
+
+out:
+ if (server_count == 0) {
+ ret = -1;
+ } else if (server_success < server_count) {
+ DBG_WARNING("Failed to set %d out of %d servers parsed\n",
+ server_count - server_success, server_count);
+ ret = 0;
+ }
+
+ TALLOC_FREE(frame);
+ return ret;
+}
+
/* Disk Operations */
static int vfs_gluster_connect(struct vfs_handle_struct *handle,
const char *service,
const char *user)
{
- const char *volfile_server;
+ const char *volfile_servers;
const char *volume;
- const char *logfile;
+ char *logfile;
int loglevel;
- glfs_t *fs;
- int ret;
+ glfs_t *fs = NULL;
+ TALLOC_CTX *tmp_ctx;
+ int ret = 0;
- logfile = lp_parm_const_string(SNUM(handle->conn), "glusterfs",
+ tmp_ctx = talloc_new(NULL);
+ if (tmp_ctx == NULL) {
+ ret = -1;
+ goto done;
+ }
+ logfile = lp_parm_talloc_string(tmp_ctx, SNUM(handle->conn), "glusterfs",
"logfile", NULL);
loglevel = lp_parm_int(SNUM(handle->conn), "glusterfs", "loglevel", -1);
- volfile_server = lp_parm_const_string(SNUM(handle->conn), "glusterfs",
- "volfile_server", NULL);
- if (volfile_server == NULL) {
- volfile_server = DEFAULT_VOLFILE_SERVER;
+ volfile_servers = lp_parm_talloc_string(tmp_ctx, SNUM(handle->conn),
+ "glusterfs", "volfile_server",
+ NULL);
+ if (volfile_servers == NULL) {
+ volfile_servers = DEFAULT_VOLFILE_SERVER;
}
volume = lp_parm_const_string(SNUM(handle->conn), "glusterfs", "volume",
volume = service;
}
- fs = glfs_find_preopened(volume);
+ fs = glfs_find_preopened(volume, handle->conn->connectpath);
if (fs) {
- goto found;
+ goto done;
}
fs = glfs_new(volume);
if (fs == NULL) {
- return -1;
+ ret = -1;
+ goto done;
}
- ret = glfs_set_volfile_server(fs, "tcp", volfile_server, 0);
+ ret = vfs_gluster_set_volfile_servers(fs, volfile_servers);
if (ret < 0) {
- DEBUG(0, ("Failed to set volfile_server %s\n", volfile_server));
- glfs_fini(fs);
- return -1;
+ DBG_ERR("Failed to set volfile_servers from list %s\n",
+ volfile_servers);
+ goto done;
}
ret = glfs_set_xlator_option(fs, "*-md-cache", "cache-posix-acl",
"true");
if (ret < 0) {
DEBUG(0, ("%s: Failed to set xlator options\n", volume));
- glfs_fini(fs);
- return -1;
+ goto done;
+ }
+
+
+ ret = glfs_set_xlator_option(fs, "*-snapview-client",
+ "snapdir-entry-path",
+ handle->conn->connectpath);
+ if (ret < 0) {
+ DEBUG(0, ("%s: Failed to set xlator option:"
+ " snapdir-entry-path\n", volume));
+ goto done;
}
ret = glfs_set_logging(fs, logfile, loglevel);
if (ret < 0) {
DEBUG(0, ("%s: Failed to set logfile %s loglevel %d\n",
volume, logfile, loglevel));
- glfs_fini(fs);
- return -1;
+ goto done;
}
ret = glfs_init(fs);
if (ret < 0) {
DEBUG(0, ("%s: Failed to initialize volume (%s)\n",
volume, strerror(errno)));
- glfs_fini(fs);
- return -1;
+ goto done;
}
- ret = glfs_set_preopened(volume, fs);
+ ret = glfs_set_preopened(volume, handle->conn->connectpath, fs);
if (ret < 0) {
DEBUG(0, ("%s: Failed to register volume (%s)\n",
volume, strerror(errno)));
- glfs_fini(fs);
- return -1;
+ goto done;
}
-found:
- DEBUG(0, ("%s: Initialized volume from server %s\n",
- volume, volfile_server));
- handle->data = fs;
- return 0;
+
+ /*
+ * The shadow_copy2 module will fail to export subdirectories
+ * of a gluster volume unless we specify the mount point,
+ * because the detection fails if the file system is not
+ * locally mounted:
+ * https://bugzilla.samba.org/show_bug.cgi?id=13091
+ */
+ lp_do_parameter(SNUM(handle->conn), "shadow:mountpoint", "/");
+
+done:
+ if (ret < 0) {
+ if (fs)
+ glfs_fini(fs);
+ } else {
+ DBG_ERR("%s: Initialized volume from servers %s\n",
+ volume, volfile_servers);
+ handle->data = fs;
+ }
+ talloc_free(tmp_ctx);
+ return ret;
}
static void vfs_gluster_disconnect(struct vfs_handle_struct *handle)
}
static uint64_t vfs_gluster_disk_free(struct vfs_handle_struct *handle,
- const char *path, bool small_query,
- uint64_t *bsize_p, uint64_t *dfree_p,
- uint64_t *dsize_p)
+ const struct smb_filename *smb_fname,
+ uint64_t *bsize_p,
+ uint64_t *dfree_p,
+ uint64_t *dsize_p)
{
struct statvfs statvfs = { 0, };
int ret;
- ret = glfs_statvfs(handle->data, path, &statvfs);
+ ret = glfs_statvfs(handle->data, smb_fname->base_name, &statvfs);
if (ret < 0) {
return -1;
}
}
static int vfs_gluster_get_quota(struct vfs_handle_struct *handle,
- enum SMB_QUOTA_TYPE qtype, unid_t id,
- SMB_DISK_QUOTA *qt)
+ const struct smb_filename *smb_fname,
+ enum SMB_QUOTA_TYPE qtype,
+ unid_t id,
+ SMB_DISK_QUOTA *qt)
{
errno = ENOSYS;
return -1;
}
static int vfs_gluster_statvfs(struct vfs_handle_struct *handle,
- const char *path,
- struct vfs_statvfs_struct *vfs_statvfs)
+ const struct smb_filename *smb_fname,
+ struct vfs_statvfs_struct *vfs_statvfs)
{
struct statvfs statvfs = { 0, };
int ret;
- ret = glfs_statvfs(handle->data, path, &statvfs);
+ ret = glfs_statvfs(handle->data, smb_fname->base_name, &statvfs);
if (ret < 0) {
DEBUG(0, ("glfs_statvfs(%s) failed: %s\n",
- path, strerror(errno)));
+ smb_fname->base_name, strerror(errno)));
return -1;
}
}
static DIR *vfs_gluster_opendir(struct vfs_handle_struct *handle,
- const char *path, const char *mask,
- uint32 attributes)
+ const struct smb_filename *smb_fname,
+ const char *mask,
+ uint32_t attributes)
{
glfs_fd_t *fd;
- fd = glfs_opendir(handle->data, path);
+ fd = glfs_opendir(handle->data, smb_fname->base_name);
if (fd == NULL) {
DEBUG(0, ("glfs_opendir(%s) failed: %s\n",
- path, strerror(errno)));
+ smb_fname->base_name, strerror(errno)));
}
return (DIR *) fd;
static DIR *vfs_gluster_fdopendir(struct vfs_handle_struct *handle,
files_struct *fsp, const char *mask,
- uint32 attributes)
+ uint32_t attributes)
{
- return (DIR *) glfd_fd_get(fsp->fh->fd);
+ return (DIR *) *(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp);
}
static int vfs_gluster_closedir(struct vfs_handle_struct *handle, DIR *dirp)
glfs_seekdir((void *)dirp, 0);
}
-static void vfs_gluster_init_search_op(struct vfs_handle_struct *handle,
- DIR *dirp)
-{
- return;
-}
-
-static int vfs_gluster_mkdir(struct vfs_handle_struct *handle, const char *path,
+static int vfs_gluster_mkdir(struct vfs_handle_struct *handle,
+ const struct smb_filename *smb_fname,
mode_t mode)
{
- return glfs_mkdir(handle->data, path, mode);
+ return glfs_mkdir(handle->data, smb_fname->base_name, mode);
}
-static int vfs_gluster_rmdir(struct vfs_handle_struct *handle, const char *path)
+static int vfs_gluster_rmdir(struct vfs_handle_struct *handle,
+ const struct smb_filename *smb_fname)
{
- return glfs_rmdir(handle->data, path);
+ return glfs_rmdir(handle->data, smb_fname->base_name);
}
static int vfs_gluster_open(struct vfs_handle_struct *handle,
int flags, mode_t mode)
{
glfs_fd_t *glfd;
+ glfs_fd_t **p_tmp;
if (flags & O_DIRECTORY) {
glfd = glfs_opendir(handle->data, smb_fname->base_name);
if (glfd == NULL) {
return -1;
}
- return glfd_fd_store(glfd);
+ p_tmp = VFS_ADD_FSP_EXTENSION(handle, fsp, glfs_fd_t *, NULL);
+ *p_tmp = glfd;
+ /* An arbitrary value for error reporting, so you know its us. */
+ return 13371337;
}
static int vfs_gluster_close(struct vfs_handle_struct *handle,
files_struct *fsp)
{
- return glfs_close(glfd_fd_clear(fsp->fh->fd));
+ glfs_fd_t *glfd;
+ glfd = *(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+ VFS_REMOVE_FSP_EXTENSION(handle, fsp);
+ return glfs_close(glfd);
}
static ssize_t vfs_gluster_read(struct vfs_handle_struct *handle,
files_struct *fsp, void *data, size_t n)
{
- return glfs_read(glfd_fd_get(fsp->fh->fd), data, n, 0);
+ return glfs_read(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), data, n, 0);
}
static ssize_t vfs_gluster_pread(struct vfs_handle_struct *handle,
files_struct *fsp, void *data, size_t n,
off_t offset)
{
- return glfs_pread(glfd_fd_get(fsp->fh->fd), data, n, offset, 0);
+ return glfs_pread(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), data, n, offset, 0);
}
-static struct tevent_req *vfs_gluster_pread_send(struct vfs_handle_struct
- *handle, TALLOC_CTX *mem_ctx,
- struct tevent_context *ev,
- files_struct *fsp, void *data,
- size_t n, off_t offset)
+struct glusterfs_aio_state;
+
+struct glusterfs_aio_wrapper {
+ struct glusterfs_aio_state *state;
+};
+
+struct glusterfs_aio_state {
+ ssize_t ret;
+ struct tevent_req *req;
+ bool cancelled;
+ struct vfs_aio_state vfs_aio_state;
+ struct timespec start;
+};
+
+static int aio_wrapper_destructor(struct glusterfs_aio_wrapper *wrap)
{
- errno = ENOTSUP;
- return NULL;
+ if (wrap->state != NULL) {
+ wrap->state->cancelled = true;
+ }
+
+ return 0;
}
-static ssize_t vfs_gluster_pread_recv(struct tevent_req *req, int *err)
+/*
+ * This function is the callback that will be called on glusterfs
+ * threads once the async IO submitted is complete. To notify
+ * Samba of the completion we use a pipe based queue.
+ */
+static void aio_glusterfs_done(glfs_fd_t *fd, ssize_t ret, void *data)
{
- errno = ENOTSUP;
- return -1;
+ struct glusterfs_aio_state *state = NULL;
+ int sts = 0;
+ struct timespec end;
+
+ state = (struct glusterfs_aio_state *)data;
+
+ PROFILE_TIMESTAMP(&end);
+
+ if (ret < 0) {
+ state->ret = -1;
+ state->vfs_aio_state.error = errno;
+ } else {
+ state->ret = ret;
+ }
+ state->vfs_aio_state.duration = nsec_time_diff(&end, &state->start);
+
+ /*
+ * Write the state pointer to glusterfs_aio_state to the
+ * pipe, so we can call tevent_req_done() from the main thread,
+ * because tevent_req_done() is not designed to be executed in
+ * the multithread environment, so tevent_req_done() must be
+ * executed from the smbd main thread.
+ *
+ * write(2) on pipes with sizes under _POSIX_PIPE_BUF
+ * in size is atomic, without this, the use op pipes in this
+ * code would not work.
+ *
+ * sys_write is a thin enough wrapper around write(2)
+ * that we can trust it here.
+ */
+
+ sts = sys_write(write_fd, &state, sizeof(struct glusterfs_aio_state *));
+ if (sts < 0) {
+ DEBUG(0,("\nWrite to pipe failed (%s)", strerror(errno)));
+ }
+
+ return;
}
-static ssize_t vfs_gluster_write(struct vfs_handle_struct *handle,
- files_struct *fsp, const void *data, size_t n)
+/*
+ * Read each req off the pipe and process it.
+ */
+static void aio_tevent_fd_done(struct tevent_context *event_ctx,
+ struct tevent_fd *fde,
+ uint16_t flags, void *data)
{
- return glfs_write(glfd_fd_get(fsp->fh->fd), data, n, 0);
+ struct tevent_req *req = NULL;
+ struct glusterfs_aio_state *state = NULL;
+ int sts = 0;
+
+ /*
+ * read(2) on pipes is atomic if the needed data is available
+ * in the pipe, per SUS and POSIX. Because we always write
+ * to the pipe in sizeof(struct tevent_req *) chunks, we can
+ * always read in those chunks, atomically.
+ *
+ * sys_read is a thin enough wrapper around read(2) that we
+ * can trust it here.
+ */
+
+ sts = sys_read(read_fd, &state, sizeof(struct glusterfs_aio_state *));
+
+ if (sts < 0) {
+ DEBUG(0,("\nRead from pipe failed (%s)", strerror(errno)));
+ }
+
+ /* if we've cancelled the op, there is no req, so just clean up. */
+ if (state->cancelled == true) {
+ TALLOC_FREE(state);
+ return;
+ }
+
+ req = state->req;
+
+ if (req) {
+ tevent_req_done(req);
+ }
+ return;
}
-static ssize_t vfs_gluster_pwrite(struct vfs_handle_struct *handle,
- files_struct *fsp, const void *data,
- size_t n, off_t offset)
+static bool init_gluster_aio(struct vfs_handle_struct *handle)
{
- return glfs_pwrite(glfd_fd_get(fsp->fh->fd), data, n, offset, 0);
+ int fds[2];
+ int ret = -1;
+
+ if (read_fd != -1) {
+ /*
+ * Already initialized.
+ */
+ return true;
+ }
+
+ ret = pipe(fds);
+ if (ret == -1) {
+ goto fail;
+ }
+
+ read_fd = fds[0];
+ write_fd = fds[1];
+
+ aio_read_event = tevent_add_fd(handle->conn->sconn->ev_ctx,
+ NULL,
+ read_fd,
+ TEVENT_FD_READ,
+ aio_tevent_fd_done,
+ NULL);
+ if (aio_read_event == NULL) {
+ goto fail;
+ }
+
+ return true;
+fail:
+ TALLOC_FREE(aio_read_event);
+ if (read_fd != -1) {
+ close(read_fd);
+ close(write_fd);
+ read_fd = -1;
+ write_fd = -1;
+ }
+ return false;
+}
+
+static struct glusterfs_aio_state *aio_state_create(TALLOC_CTX *mem_ctx)
+{
+ struct tevent_req *req = NULL;
+ struct glusterfs_aio_state *state = NULL;
+ struct glusterfs_aio_wrapper *wrapper = NULL;
+
+ req = tevent_req_create(mem_ctx, &wrapper, struct glusterfs_aio_wrapper);
+
+ if (req == NULL) {
+ return NULL;
+ }
+
+ state = talloc_zero(NULL, struct glusterfs_aio_state);
+
+ if (state == NULL) {
+ TALLOC_FREE(req);
+ return NULL;
+ }
+
+ talloc_set_destructor(wrapper, aio_wrapper_destructor);
+ state->cancelled = false;
+ state->req = req;
+
+ wrapper->state = state;
+
+ return state;
+}
+
+static struct tevent_req *vfs_gluster_pread_send(struct vfs_handle_struct
+ *handle, TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ files_struct *fsp,
+ void *data, size_t n,
+ off_t offset)
+{
+ struct glusterfs_aio_state *state = NULL;
+ struct tevent_req *req = NULL;
+ int ret = 0;
+
+ state = aio_state_create(mem_ctx);
+
+ if (state == NULL) {
+ return NULL;
+ }
+
+ req = state->req;
+
+ if (!init_gluster_aio(handle)) {
+ tevent_req_error(req, EIO);
+ return tevent_req_post(req, ev);
+ }
+
+ PROFILE_TIMESTAMP(&state->start);
+ ret = glfs_pread_async(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle,
+ fsp), data, n, offset, 0, aio_glusterfs_done,
+ state);
+ if (ret < 0) {
+ tevent_req_error(req, -ret);
+ return tevent_req_post(req, ev);
+ }
+
+ return req;
}
static struct tevent_req *vfs_gluster_pwrite_send(struct vfs_handle_struct
const void *data, size_t n,
off_t offset)
{
- errno = ENOTSUP;
- return NULL;
+ struct glusterfs_aio_state *state = NULL;
+ struct tevent_req *req = NULL;
+ int ret = 0;
+
+ state = aio_state_create(mem_ctx);
+
+ if (state == NULL) {
+ return NULL;
+ }
+
+ req = state->req;
+
+ if (!init_gluster_aio(handle)) {
+ tevent_req_error(req, EIO);
+ return tevent_req_post(req, ev);
+ }
+
+ PROFILE_TIMESTAMP(&state->start);
+ ret = glfs_pwrite_async(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle,
+ fsp), data, n, offset, 0, aio_glusterfs_done,
+ state);
+ if (ret < 0) {
+ tevent_req_error(req, -ret);
+ return tevent_req_post(req, ev);
+ }
+
+ return req;
}
-static ssize_t vfs_gluster_pwrite_recv(struct tevent_req *req, int *err)
+static ssize_t vfs_gluster_recv(struct tevent_req *req,
+ struct vfs_aio_state *vfs_aio_state)
{
- errno = ENOTSUP;
- return -1;
+ struct glusterfs_aio_wrapper *wrapper = NULL;
+ int ret = 0;
+
+ wrapper = tevent_req_data(req, struct glusterfs_aio_wrapper);
+
+ if (wrapper == NULL) {
+ return -1;
+ }
+
+ if (wrapper->state == NULL) {
+ return -1;
+ }
+
+ if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
+ return -1;
+ }
+
+ *vfs_aio_state = wrapper->state->vfs_aio_state;
+ ret = wrapper->state->ret;
+
+ /* Clean up the state, it is in a NULL context. */
+
+ TALLOC_FREE(wrapper->state);
+
+ return ret;
+}
+
+static ssize_t vfs_gluster_write(struct vfs_handle_struct *handle,
+ files_struct *fsp, const void *data, size_t n)
+{
+ return glfs_write(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), data, n, 0);
+}
+
+static ssize_t vfs_gluster_pwrite(struct vfs_handle_struct *handle,
+ files_struct *fsp, const void *data,
+ size_t n, off_t offset)
+{
+ return glfs_pwrite(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), data, n, offset, 0);
}
static off_t vfs_gluster_lseek(struct vfs_handle_struct *handle,
files_struct *fsp, off_t offset, int whence)
{
- return glfs_lseek(glfd_fd_get(fsp->fh->fd), offset, whence);
+ return glfs_lseek(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), offset, whence);
}
static ssize_t vfs_gluster_sendfile(struct vfs_handle_struct *handle, int tofd,
static int vfs_gluster_fsync(struct vfs_handle_struct *handle,
files_struct *fsp)
{
- return glfs_fsync(glfd_fd_get(fsp->fh->fd));
+ return glfs_fsync(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp));
}
static struct tevent_req *vfs_gluster_fsync_send(struct vfs_handle_struct
struct tevent_context *ev,
files_struct *fsp)
{
- errno = ENOTSUP;
- return NULL;
+ struct tevent_req *req = NULL;
+ struct glusterfs_aio_state *state = NULL;
+ int ret = 0;
+
+ state = aio_state_create(mem_ctx);
+
+ if (state == NULL) {
+ return NULL;
+ }
+
+ req = state->req;
+
+ if (!init_gluster_aio(handle)) {
+ tevent_req_error(req, EIO);
+ return tevent_req_post(req, ev);
+ }
+
+ PROFILE_TIMESTAMP(&state->start);
+ ret = glfs_fsync_async(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle,
+ fsp), aio_glusterfs_done, req);
+ if (ret < 0) {
+ tevent_req_error(req, -ret);
+ return tevent_req_post(req, ev);
+ }
+ return req;
}
-static int vfs_gluster_fsync_recv(struct tevent_req *req, int *err)
+static int vfs_gluster_fsync_recv(struct tevent_req *req,
+ struct vfs_aio_state *vfs_aio_state)
{
- errno = ENOTSUP;
- return -1;
+ /*
+ * Use implicit conversion ssize_t->int
+ */
+ return vfs_gluster_recv(req, vfs_aio_state);
}
static int vfs_gluster_stat(struct vfs_handle_struct *handle,
struct stat st;
int ret;
- ret = glfs_fstat(glfd_fd_get(fsp->fh->fd), &st);
+ ret = glfs_fstat(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), &st);
if (ret == 0) {
smb_stat_ex_from_stat(sbuf, &st);
}
}
static int vfs_gluster_chmod(struct vfs_handle_struct *handle,
- const char *path, mode_t mode)
+ const struct smb_filename *smb_fname,
+ mode_t mode)
{
- return glfs_chmod(handle->data, path, mode);
+ return glfs_chmod(handle->data, smb_fname->base_name, mode);
}
static int vfs_gluster_fchmod(struct vfs_handle_struct *handle,
files_struct *fsp, mode_t mode)
{
- return glfs_fchmod(glfd_fd_get(fsp->fh->fd), mode);
+ return glfs_fchmod(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), mode);
}
static int vfs_gluster_chown(struct vfs_handle_struct *handle,
- const char *path, uid_t uid, gid_t gid)
+ const struct smb_filename *smb_fname,
+ uid_t uid,
+ gid_t gid)
{
- return glfs_chown(handle->data, path, uid, gid);
+ return glfs_chown(handle->data, smb_fname->base_name, uid, gid);
}
static int vfs_gluster_fchown(struct vfs_handle_struct *handle,
files_struct *fsp, uid_t uid, gid_t gid)
{
- return glfs_fchown(glfd_fd_get(fsp->fh->fd), uid, gid);
+ return glfs_fchown(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), uid, gid);
}
static int vfs_gluster_lchown(struct vfs_handle_struct *handle,
- const char *path, uid_t uid, gid_t gid)
+ const struct smb_filename *smb_fname,
+ uid_t uid,
+ gid_t gid)
{
- return glfs_lchown(handle->data, path, uid, gid);
+ return glfs_lchown(handle->data, smb_fname->base_name, uid, gid);
}
-static int vfs_gluster_chdir(struct vfs_handle_struct *handle, const char *path)
+static int vfs_gluster_chdir(struct vfs_handle_struct *handle,
+ const struct smb_filename *smb_fname)
{
- return glfs_chdir(handle->data, path);
+ return glfs_chdir(handle->data, smb_fname->base_name);
}
-static char *vfs_gluster_getwd(struct vfs_handle_struct *handle)
+static struct smb_filename *vfs_gluster_getwd(struct vfs_handle_struct *handle,
+ TALLOC_CTX *ctx)
{
char *cwd;
char *ret;
+ struct smb_filename *smb_fname = NULL;
cwd = SMB_CALLOC_ARRAY(char, PATH_MAX);
if (cwd == NULL) {
}
ret = glfs_getcwd(handle->data, cwd, PATH_MAX - 1);
- if (ret == 0) {
- free(cwd);
+ if (ret == NULL) {
+ SAFE_FREE(cwd);
+ return NULL;
}
- return ret;
+ smb_fname = synthetic_smb_fname(ctx,
+ ret,
+ NULL,
+ NULL,
+ 0);
+ SAFE_FREE(cwd);
+ return smb_fname;
}
static int vfs_gluster_ntimes(struct vfs_handle_struct *handle,
{
struct timespec times[2];
- times[0].tv_sec = ft->atime.tv_sec;
- times[0].tv_nsec = ft->atime.tv_nsec;
- times[1].tv_sec = ft->mtime.tv_sec;
- times[1].tv_nsec = ft->mtime.tv_nsec;
+ if (null_timespec(ft->atime)) {
+ times[0].tv_sec = smb_fname->st.st_ex_atime.tv_sec;
+ times[0].tv_nsec = smb_fname->st.st_ex_atime.tv_nsec;
+ } else {
+ times[0].tv_sec = ft->atime.tv_sec;
+ times[0].tv_nsec = ft->atime.tv_nsec;
+ }
+
+ if (null_timespec(ft->mtime)) {
+ times[1].tv_sec = smb_fname->st.st_ex_mtime.tv_sec;
+ times[1].tv_nsec = smb_fname->st.st_ex_mtime.tv_nsec;
+ } else {
+ times[1].tv_sec = ft->mtime.tv_sec;
+ times[1].tv_nsec = ft->mtime.tv_nsec;
+ }
+
+ if ((timespec_compare(×[0],
+ &smb_fname->st.st_ex_atime) == 0) &&
+ (timespec_compare(×[1],
+ &smb_fname->st.st_ex_mtime) == 0)) {
+ return 0;
+ }
return glfs_utimens(handle->data, smb_fname->base_name, times);
}
static int vfs_gluster_ftruncate(struct vfs_handle_struct *handle,
files_struct *fsp, off_t offset)
{
- return glfs_ftruncate(glfd_fd_get(fsp->fh->fd), offset);
+ return glfs_ftruncate(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), offset);
}
static int vfs_gluster_fallocate(struct vfs_handle_struct *handle,
struct files_struct *fsp,
- enum vfs_fallocate_mode mode,
+ uint32_t mode,
off_t offset, off_t len)
{
+ /* TODO: add support using glfs_fallocate() and glfs_zerofill() */
errno = ENOTSUP;
return -1;
}
-static char *vfs_gluster_realpath(struct vfs_handle_struct *handle,
- const char *path)
+static struct smb_filename *vfs_gluster_realpath(struct vfs_handle_struct *handle,
+ TALLOC_CTX *ctx,
+ const struct smb_filename *smb_fname)
{
- return glfs_realpath(handle->data, path, 0);
+ char *result = NULL;
+ struct smb_filename *result_fname = NULL;
+ char *resolved_path = SMB_MALLOC_ARRAY(char, PATH_MAX+1);
+
+ if (resolved_path == NULL) {
+ errno = ENOMEM;
+ return NULL;
+ }
+
+ result = glfs_realpath(handle->data,
+ smb_fname->base_name,
+ resolved_path);
+ if (result != NULL) {
+ result_fname = synthetic_smb_fname(ctx, result, NULL, NULL, 0);
+ }
+
+ SAFE_FREE(resolved_path);
+ return result_fname;
}
static bool vfs_gluster_lock(struct vfs_handle_struct *handle,
flock.l_len = count;
flock.l_pid = 0;
- ret = glfs_posix_lock(glfd_fd_get(fsp->fh->fd), op, &flock);
+ ret = glfs_posix_lock(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), op, &flock);
if (op == F_GETLK) {
/* lock query, true if someone else has locked */
}
static int vfs_gluster_kernel_flock(struct vfs_handle_struct *handle,
- files_struct *fsp, uint32 share_mode,
+ files_struct *fsp, uint32_t share_mode,
uint32_t access_mask)
{
errno = ENOSYS;
flock.l_len = *pcount;
flock.l_pid = 0;
- ret = glfs_posix_lock(glfd_fd_get(fsp->fh->fd), F_GETLK, &flock);
+ ret = glfs_posix_lock(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), F_GETLK, &flock);
if (ret == -1) {
return false;
}
static int vfs_gluster_symlink(struct vfs_handle_struct *handle,
- const char *oldpath, const char *newpath)
+ const char *link_target,
+ const struct smb_filename *new_smb_fname)
{
- return glfs_symlink(handle->data, oldpath, newpath);
+ return glfs_symlink(handle->data,
+ link_target,
+ new_smb_fname->base_name);
}
static int vfs_gluster_readlink(struct vfs_handle_struct *handle,
- const char *path, char *buf, size_t bufsiz)
+ const struct smb_filename *smb_fname,
+ char *buf,
+ size_t bufsiz)
{
- return glfs_readlink(handle->data, path, buf, bufsiz);
+ return glfs_readlink(handle->data, smb_fname->base_name, buf, bufsiz);
}
static int vfs_gluster_link(struct vfs_handle_struct *handle,
- const char *oldpath, const char *newpath)
+ const struct smb_filename *old_smb_fname,
+ const struct smb_filename *new_smb_fname)
{
- return glfs_link(handle->data, oldpath, newpath);
+ return glfs_link(handle->data,
+ old_smb_fname->base_name,
+ new_smb_fname->base_name);
}
-static int vfs_gluster_mknod(struct vfs_handle_struct *handle, const char *path,
- mode_t mode, SMB_DEV_T dev)
+static int vfs_gluster_mknod(struct vfs_handle_struct *handle,
+ const struct smb_filename *smb_fname,
+ mode_t mode,
+ SMB_DEV_T dev)
{
- return glfs_mknod(handle->data, path, mode, dev);
-}
-
-static NTSTATUS vfs_gluster_notify_watch(struct vfs_handle_struct *handle,
- struct sys_notify_context *ctx,
- const char *path, uint32_t *filter,
- uint32_t *subdir_filter,
- void (*callback) (struct sys_notify_context *ctx,
- void *private_data,
- struct notify_event *ev),
- void *private_data, void *handle_p)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
+ return glfs_mknod(handle->data, smb_fname->base_name, mode, dev);
}
static int vfs_gluster_chflags(struct vfs_handle_struct *handle,
- const char *path, unsigned int flags)
+ const struct smb_filename *smb_fname,
+ unsigned int flags)
{
errno = ENOSYS;
return -1;
}
snprintf(key_buf, NAME_MAX + 64,
- "user.glusterfs.get_real_filename:%s", name);
+ "glusterfs.get_real_filename:%s", name);
ret = glfs_getxattr(handle->data, path, key_buf, val_buf, NAME_MAX + 1);
if (ret == -1) {
}
static const char *vfs_gluster_connectpath(struct vfs_handle_struct *handle,
- const char *filename)
+ const struct smb_filename *smb_fname)
{
return handle->conn->connectpath;
}
/* EA Operations */
static ssize_t vfs_gluster_getxattr(struct vfs_handle_struct *handle,
- const char *path, const char *name,
- void *value, size_t size)
+ const struct smb_filename *smb_fname,
+ const char *name,
+ void *value,
+ size_t size)
{
- return glfs_getxattr(handle->data, path, name, value, size);
+ return glfs_getxattr(handle->data, smb_fname->base_name,
+ name, value, size);
}
static ssize_t vfs_gluster_fgetxattr(struct vfs_handle_struct *handle,
files_struct *fsp, const char *name,
void *value, size_t size)
{
- return glfs_fgetxattr(glfd_fd_get(fsp->fh->fd), name, value, size);
+ return glfs_fgetxattr(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), name, value, size);
}
static ssize_t vfs_gluster_listxattr(struct vfs_handle_struct *handle,
- const char *path, char *list, size_t size)
+ const struct smb_filename *smb_fname,
+ char *list,
+ size_t size)
{
- return glfs_listxattr(handle->data, path, list, size);
+ return glfs_listxattr(handle->data, smb_fname->base_name, list, size);
}
static ssize_t vfs_gluster_flistxattr(struct vfs_handle_struct *handle,
files_struct *fsp, char *list,
size_t size)
{
- return glfs_flistxattr(glfd_fd_get(fsp->fh->fd), list, size);
+ return glfs_flistxattr(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), list, size);
}
static int vfs_gluster_removexattr(struct vfs_handle_struct *handle,
- const char *path, const char *name)
+ const struct smb_filename *smb_fname,
+ const char *name)
{
- return glfs_removexattr(handle->data, path, name);
+ return glfs_removexattr(handle->data, smb_fname->base_name, name);
}
static int vfs_gluster_fremovexattr(struct vfs_handle_struct *handle,
files_struct *fsp, const char *name)
{
- return glfs_fremovexattr(glfd_fd_get(fsp->fh->fd), name);
+ return glfs_fremovexattr(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), name);
}
static int vfs_gluster_setxattr(struct vfs_handle_struct *handle,
- const char *path, const char *name,
+ const struct smb_filename *smb_fname,
+ const char *name,
const void *value, size_t size, int flags)
{
- return glfs_setxattr(handle->data, path, name, value, size, flags);
+ return glfs_setxattr(handle->data, smb_fname->base_name, name, value, size, flags);
}
static int vfs_gluster_fsetxattr(struct vfs_handle_struct *handle,
files_struct *fsp, const char *name,
const void *value, size_t size, int flags)
{
- return glfs_fsetxattr(glfd_fd_get(fsp->fh->fd), name, value, size,
+ return glfs_fsetxattr(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), name, value, size,
flags);
}
return false;
}
-/* Offline Operations */
-
-static bool vfs_gluster_is_offline(struct vfs_handle_struct *handle,
- const struct smb_filename *fname,
- SMB_STRUCT_STAT *sbuf)
-{
- return false;
-}
-
-static int vfs_gluster_set_offline(struct vfs_handle_struct *handle,
- const struct smb_filename *fname)
-{
- errno = ENOTSUP;
- return -1;
-}
-
-/*
- Gluster ACL Format:
-
- Size = 4 (header) + N * 8 (entry)
-
- Offset Size Field (Little Endian)
- -------------------------------------
- 0-3 4-byte Version
-
- 4-5 2-byte Entry-1 tag
- 6-7 2-byte Entry-1 perm
- 8-11 4-byte Entry-1 id
-
- 12-13 2-byte Entry-2 tag
- 14-15 2-byte Entry-2 perm
- 16-19 4-byte Entry-2 id
-
- ...
-
- */
-
-/* header version */
-#define GLUSTER_ACL_VERSION 2
-
-/* perm bits */
-#define GLUSTER_ACL_READ 0x04
-#define GLUSTER_ACL_WRITE 0x02
-#define GLUSTER_ACL_EXECUTE 0x01
-
-/* tag values */
-#define GLUSTER_ACL_UNDEFINED_TAG 0x00
-#define GLUSTER_ACL_USER_OBJ 0x01
-#define GLUSTER_ACL_USER 0x02
-#define GLUSTER_ACL_GROUP_OBJ 0x04
-#define GLUSTER_ACL_GROUP 0x08
-#define GLUSTER_ACL_MASK 0x10
-#define GLUSTER_ACL_OTHER 0x20
-
-#define GLUSTER_ACL_UNDEFINED_ID (-1)
-
-#define GLUSTER_ACL_HEADER_SIZE 4
-#define GLUSTER_ACL_ENTRY_SIZE 8
-
-static SMB_ACL_T gluster_to_smb_acl(const char *buf, size_t xattr_size,
- TALLOC_CTX *mem_ctx)
-{
- int count;
- size_t size;
- struct smb_acl_entry *smb_ace;
- struct smb_acl_t *result;
- int i;
- int offset;
- uint16_t tag;
- uint16_t perm;
- uint32_t id;
-
- size = xattr_size;
-
- if (size < GLUSTER_ACL_HEADER_SIZE) {
- /* ACL should be at least as big as the header (4 bytes) */
- errno = EINVAL;
- return NULL;
- }
-
- size -= GLUSTER_ACL_HEADER_SIZE; /* size of header = 4 bytes */
-
- if (size % GLUSTER_ACL_ENTRY_SIZE) {
- /* Size of entries must strictly be a multiple of
- size of an ACE (8 bytes)
- */
- errno = EINVAL;
- return NULL;
- }
-
- count = size / GLUSTER_ACL_ENTRY_SIZE;
-
- /* Version is the first 4 bytes of the ACL */
- if (IVAL(buf, 0) != GLUSTER_ACL_VERSION) {
- DEBUG(0, ("Unknown gluster ACL version: %d\n",
- IVAL(buf, 0)));
- return NULL;
- }
- offset = GLUSTER_ACL_HEADER_SIZE;
-
- result = sys_acl_init(mem_ctx);
- if (!result) {
- errno = ENOMEM;
- return NULL;
- }
-
- result->acl = talloc_array(result, struct smb_acl_entry, count);
- if (!result->acl) {
- errno = ENOMEM;
- talloc_free(result);
- return NULL;
- }
-
- result->count = count;
-
- smb_ace = result->acl;
-
- for (i = 0; i < count; i++) {
- /* TAG is the first 2 bytes of an entry */
- tag = SVAL(buf, offset);
- offset += 2;
-
- /* PERM is the next 2 bytes of an entry */
- perm = SVAL(buf, offset);
- offset += 2;
-
- /* ID is the last 4 bytes of an entry */
- id = IVAL(buf, offset);
- offset += 4;
-
- switch(tag) {
- case GLUSTER_ACL_USER:
- smb_ace->a_type = SMB_ACL_USER;
- break;
- case GLUSTER_ACL_USER_OBJ:
- smb_ace->a_type = SMB_ACL_USER_OBJ;
- break;
- case GLUSTER_ACL_GROUP:
- smb_ace->a_type = SMB_ACL_GROUP;
- break;
- case GLUSTER_ACL_GROUP_OBJ:
- smb_ace->a_type = SMB_ACL_GROUP_OBJ;
- break;
- case GLUSTER_ACL_OTHER:
- smb_ace->a_type = SMB_ACL_OTHER;
- break;
- case GLUSTER_ACL_MASK:
- smb_ace->a_type = SMB_ACL_MASK;
- break;
- default:
- DEBUG(0, ("unknown tag type %d\n", (unsigned int) tag));
- return NULL;
- }
-
-
- switch(smb_ace->a_type) {
- case SMB_ACL_USER:
- smb_ace->info.user.uid = id;
- break;
- case SMB_ACL_GROUP:
- smb_ace->info.group.gid = id;
- break;
- default:
- break;
- }
-
- smb_ace->a_perm = 0;
- smb_ace->a_perm |=
- ((perm & GLUSTER_ACL_READ) ? SMB_ACL_READ : 0);
- smb_ace->a_perm |=
- ((perm & GLUSTER_ACL_WRITE) ? SMB_ACL_WRITE : 0);
- smb_ace->a_perm |=
- ((perm & GLUSTER_ACL_EXECUTE) ? SMB_ACL_EXECUTE : 0);
-
- smb_ace++;
- }
-
- return result;
-}
-
-
-static int gluster_ace_cmp(const void *left, const void *right)
-{
- int ret = 0;
- uint16_t tag_left, tag_right;
- uint32_t id_left, id_right;
-
- /*
- Sorting precedence:
-
- - Smaller TAG values must be earlier.
-
- - Within same TAG, smaller identifiers must be earlier, E.g:
- UID 0 entry must be earlier than UID 200
- GID 17 entry must be earlier than GID 19
- */
-
- /* TAG is the first element in the entry */
- tag_left = SVAL(left, 0);
- tag_right = SVAL(right, 0);
-
- ret = (tag_left - tag_right);
- if (!ret) {
- /* ID is the third element in the entry, after two short
- integers (tag and perm), i.e at offset 4.
- */
- id_left = IVAL(left, 4);
- id_right = IVAL(right, 4);
- ret = id_left - id_right;
- }
-
- return ret;
-}
-
-
-static ssize_t smb_to_gluster_acl(SMB_ACL_T theacl, char *buf, size_t len)
-{
- ssize_t size;
- struct smb_acl_entry *smb_ace;
- int i;
- int count;
- uint16_t tag;
- uint16_t perm;
- uint32_t id;
- int offset;
-
- count = theacl->count;
-
- size = GLUSTER_ACL_HEADER_SIZE + (count * GLUSTER_ACL_ENTRY_SIZE);
- if (!buf) {
- return size;
- }
-
- if (len < size) {
- errno = ERANGE;
- return -1;
- }
-
- smb_ace = theacl->acl;
-
- /* Version is the first 4 bytes of the ACL */
- SIVAL(buf, 0, GLUSTER_ACL_VERSION);
- offset = GLUSTER_ACL_HEADER_SIZE;
-
- for (i = 0; i < count; i++) {
- /* Calculate tag */
- switch(smb_ace->a_type) {
- case SMB_ACL_USER:
- tag = GLUSTER_ACL_USER;
- break;
- case SMB_ACL_USER_OBJ:
- tag = GLUSTER_ACL_USER_OBJ;
- break;
- case SMB_ACL_GROUP:
- tag = GLUSTER_ACL_GROUP;
- break;
- case SMB_ACL_GROUP_OBJ:
- tag = GLUSTER_ACL_GROUP_OBJ;
- break;
- case SMB_ACL_OTHER:
- tag = GLUSTER_ACL_OTHER;
- break;
- case SMB_ACL_MASK:
- tag = GLUSTER_ACL_MASK;
- break;
- default:
- DEBUG(0, ("Unknown tag value %d\n",
- smb_ace->a_type));
- errno = EINVAL;
- return -1;
- }
-
-
- /* Calculate id */
- switch(smb_ace->a_type) {
- case SMB_ACL_USER:
- id = smb_ace->info.user.uid;
- break;
- case SMB_ACL_GROUP:
- id = smb_ace->info.group.gid;
- break;
- default:
- id = GLUSTER_ACL_UNDEFINED_ID;
- break;
- }
-
- /* Calculate perm */
- perm = 0;
-
- perm |=
- ((smb_ace->a_perm & SMB_ACL_READ) ? GLUSTER_ACL_READ : 0);
- perm |=
- ((smb_ace->a_perm & SMB_ACL_WRITE) ? GLUSTER_ACL_WRITE : 0);
- perm |=
- ((smb_ace->a_perm & SMB_ACL_EXECUTE) ? GLUSTER_ACL_EXECUTE : 0);
-
-
- /* TAG is the first 2 bytes of an entry */
- SSVAL(buf, offset, tag);
- offset += 2;
-
- /* PERM is the next 2 bytes of an entry */
- SSVAL(buf, offset, perm);
- offset += 2;
-
- /* ID is the last 4 bytes of an entry */
- SIVAL(buf, offset, id);
- offset += 4;
-
- smb_ace++;
- }
-
- /* Skip the header, sort @count number of 8-byte entries */
- qsort(buf+GLUSTER_ACL_HEADER_SIZE, count, GLUSTER_ACL_ENTRY_SIZE,
- gluster_ace_cmp);
-
- return size;
-}
-
-
-static SMB_ACL_T vfs_gluster_sys_acl_get_file(struct vfs_handle_struct *handle,
- const char *path_p,
- SMB_ACL_TYPE_T type,
- TALLOC_CTX *mem_ctx)
-{
- struct smb_acl_t *result;
- char *buf;
- const char *key;
- ssize_t ret;
-
- switch (type) {
- case SMB_ACL_TYPE_ACCESS:
- key = "system.posix_acl_access";
- break;
- case SMB_ACL_TYPE_DEFAULT:
- key = "system.posix_acl_default";
- break;
- default:
- errno = EINVAL;
- return NULL;
- }
-
- ret = glfs_getxattr(handle->data, path_p, key, 0, 0);
- if (ret <= 0) {
- return NULL;
- }
-
- buf = alloca(ret);
- ret = glfs_getxattr(handle->data, path_p, key, buf, ret);
- if (ret <= 0) {
- return NULL;
- }
-
- result = gluster_to_smb_acl(buf, ret, mem_ctx);
-
- return result;
-}
-
-static SMB_ACL_T vfs_gluster_sys_acl_get_fd(struct vfs_handle_struct *handle,
- struct files_struct *fsp,
- TALLOC_CTX *mem_ctx)
-{
- struct smb_acl_t *result;
- int ret;
- char *buf;
-
- ret = glfs_fgetxattr(glfd_fd_get(fsp->fh->fd),
- "system.posix_acl_access", 0, 0);
- if (ret <= 0) {
- return NULL;
- }
-
- buf = alloca(ret);
- ret = glfs_fgetxattr(glfd_fd_get(fsp->fh->fd),
- "system.posix_acl_access", buf, ret);
- if (ret <= 0) {
- return NULL;
- }
-
- result = gluster_to_smb_acl(buf, ret, mem_ctx);
-
- return result;
-}
-
-static int vfs_gluster_sys_acl_set_file(struct vfs_handle_struct *handle,
- const char *name,
- SMB_ACL_TYPE_T acltype,
- SMB_ACL_T theacl)
-{
- int ret;
- const char *key;
- char *buf;
- ssize_t size;
-
- switch (acltype) {
- case SMB_ACL_TYPE_ACCESS:
- key = "system.posix_acl_access";
- break;
- case SMB_ACL_TYPE_DEFAULT:
- key = "system.posix_acl_default";
- break;
- default:
- errno = EINVAL;
- return -1;
- }
-
- size = smb_to_gluster_acl(theacl, 0, 0);
- buf = alloca(size);
-
- size = smb_to_gluster_acl(theacl, buf, size);
- if (size == -1) {
- return -1;
- }
-
- ret = glfs_setxattr(handle->data, name, key, buf, size, 0);
-
- return ret;
-}
-
-static int vfs_gluster_sys_acl_set_fd(struct vfs_handle_struct *handle,
- struct files_struct *fsp,
- SMB_ACL_T theacl)
-{
- int ret;
- char *key;
- char *buf;
- ssize_t size;
-
- size = smb_to_gluster_acl(theacl, 0, 0);
- buf = alloca(size);
-
- size = smb_to_gluster_acl(theacl, buf, size);
- if (size == -1) {
- return -1;
- }
-
- ret = glfs_fsetxattr(glfd_fd_get(fsp->fh->fd),
- "system.posix_acl_access", buf, size, 0);
- return ret;
-}
-
-static int vfs_gluster_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
- const char *path)
-{
- return glfs_removexattr(handle->data, path, "system.posix_acl_default");
-}
-
static struct vfs_fn_pointers glusterfs_fns = {
/* Disk Operations */
.mkdir_fn = vfs_gluster_mkdir,
.rmdir_fn = vfs_gluster_rmdir,
.closedir_fn = vfs_gluster_closedir,
- .init_search_op_fn = vfs_gluster_init_search_op,
/* File Operations */
.read_fn = vfs_gluster_read,
.pread_fn = vfs_gluster_pread,
.pread_send_fn = vfs_gluster_pread_send,
- .pread_recv_fn = vfs_gluster_pread_recv,
+ .pread_recv_fn = vfs_gluster_recv,
.write_fn = vfs_gluster_write,
.pwrite_fn = vfs_gluster_pwrite,
.pwrite_send_fn = vfs_gluster_pwrite_send,
- .pwrite_recv_fn = vfs_gluster_pwrite_recv,
+ .pwrite_recv_fn = vfs_gluster_recv,
.lseek_fn = vfs_gluster_lseek,
.sendfile_fn = vfs_gluster_sendfile,
.recvfile_fn = vfs_gluster_recvfile,
.link_fn = vfs_gluster_link,
.mknod_fn = vfs_gluster_mknod,
.realpath_fn = vfs_gluster_realpath,
- .notify_watch_fn = vfs_gluster_notify_watch,
.chflags_fn = vfs_gluster_chflags,
.file_id_create_fn = NULL,
- .copy_chunk_send_fn = NULL,
- .copy_chunk_recv_fn = NULL,
.streaminfo_fn = NULL,
.get_real_filename_fn = vfs_gluster_get_real_filename,
.connectpath_fn = vfs_gluster_connectpath,
.brl_lock_windows_fn = NULL,
.brl_unlock_windows_fn = NULL,
.brl_cancel_windows_fn = NULL,
- .strict_lock_fn = NULL,
- .strict_unlock_fn = NULL,
+ .strict_lock_check_fn = NULL,
.translate_name_fn = NULL,
.fsctl_fn = NULL,
/* Posix ACL Operations */
.chmod_acl_fn = NULL, /* passthrough to default */
.fchmod_acl_fn = NULL, /* passthrough to default */
- .sys_acl_get_file_fn = vfs_gluster_sys_acl_get_file,
- .sys_acl_get_fd_fn = vfs_gluster_sys_acl_get_fd,
+ .sys_acl_get_file_fn = posixacl_xattr_acl_get_file,
+ .sys_acl_get_fd_fn = posixacl_xattr_acl_get_fd,
.sys_acl_blob_get_file_fn = posix_sys_acl_blob_get_file,
.sys_acl_blob_get_fd_fn = posix_sys_acl_blob_get_fd,
- .sys_acl_set_file_fn = vfs_gluster_sys_acl_set_file,
- .sys_acl_set_fd_fn = vfs_gluster_sys_acl_set_fd,
- .sys_acl_delete_def_file_fn = vfs_gluster_sys_acl_delete_def_file,
+ .sys_acl_set_file_fn = posixacl_xattr_acl_set_file,
+ .sys_acl_set_fd_fn = posixacl_xattr_acl_set_fd,
+ .sys_acl_delete_def_file_fn = posixacl_xattr_acl_delete_def_file,
/* EA Operations */
.getxattr_fn = vfs_gluster_getxattr,
/* AIO Operations */
.aio_force_fn = vfs_gluster_aio_force,
- /* Offline Operations */
- .is_offline_fn = vfs_gluster_is_offline,
- .set_offline_fn = vfs_gluster_set_offline,
-
/* Durable handle Operations */
.durable_cookie_fn = NULL,
.durable_disconnect_fn = NULL,
.durable_reconnect_fn = NULL,
};
-NTSTATUS vfs_glusterfs_init(void);
-NTSTATUS vfs_glusterfs_init(void)
+NTSTATUS vfs_glusterfs_init(TALLOC_CTX *);
+NTSTATUS vfs_glusterfs_init(TALLOC_CTX *ctx)
{
return smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
"glusterfs", &glusterfs_fns);
git.samba.org / gd / samba-autobuild / .git / blobdiff