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samba-mirror/source3/modules/vfs_glusterfs.c
Volker Lendecke 70283ffd38 smbd: Remove SMB_VFS_NOTIFY_WATCH
No longer needed

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-07-07 23:51:24 +02:00

1813 lines
42 KiB
C

/*
Unix SMB/CIFS implementation.
Wrap GlusterFS GFAPI calls in vfs functions.
Copyright (c) 2013 Anand Avati <avati@redhat.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
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 "lib/util/dlinklist.h"
#include "lib/util/tevent_unix.h"
#include "lib/tevent/tevent_internal.h"
#include "smbd/globals.h"
#include "lib/sys_rw.h"
#define DEFAULT_VOLFILE_SERVER "localhost"
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_dev = src->st_dev;
dst->st_ex_ino = src->st_ino;
dst->st_ex_mode = src->st_mode;
dst->st_ex_nlink = src->st_nlink;
dst->st_ex_uid = src->st_uid;
dst->st_ex_gid = src->st_gid;
dst->st_ex_rdev = src->st_rdev;
dst->st_ex_size = src->st_size;
dst->st_ex_atime.tv_sec = src->st_atime;
dst->st_ex_mtime.tv_sec = src->st_mtime;
dst->st_ex_ctime.tv_sec = src->st_ctime;
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
}
/* pre-opened glfs_t */
static struct glfs_preopened {
char *volume;
char *connectpath;
glfs_t *fs;
int ref;
struct glfs_preopened *next, *prev;
} *glfs_preopened;
static int glfs_set_preopened(const char *volume, const char *connectpath, glfs_t *fs)
{
struct glfs_preopened *entry = NULL;
entry = talloc_zero(NULL, struct glfs_preopened);
if (!entry) {
errno = ENOMEM;
return -1;
}
entry->volume = talloc_strdup(entry, volume);
if (!entry->volume) {
talloc_free(entry);
errno = ENOMEM;
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;
DLIST_ADD(glfs_preopened, entry);
return 0;
}
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 &&
strcmp(entry->connectpath, connectpath) == 0)
{
entry->ref++;
return entry->fs;
}
}
return NULL;
}
static void glfs_clear_preopened(glfs_t *fs)
{
struct glfs_preopened *entry = NULL;
for (entry = glfs_preopened; entry; entry = entry->next) {
if (entry->fs == fs) {
if (--entry->ref)
return;
DLIST_REMOVE(glfs_preopened, entry);
glfs_fini(entry->fs);
talloc_free(entry);
}
}
}
/* Disk Operations */
static int vfs_gluster_connect(struct vfs_handle_struct *handle,
const char *service,
const char *user)
{
const char *volfile_server;
const char *volume;
char *logfile;
int loglevel;
glfs_t *fs = NULL;
TALLOC_CTX *tmp_ctx;
int ret = 0;
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;
}
volume = lp_parm_const_string(SNUM(handle->conn), "glusterfs", "volume",
NULL);
if (volume == NULL) {
volume = service;
}
fs = glfs_find_preopened(volume, handle->conn->connectpath);
if (fs) {
goto done;
}
fs = glfs_new(volume);
if (fs == NULL) {
ret = -1;
goto done;
}
ret = glfs_set_volfile_server(fs, "tcp", volfile_server, 0);
if (ret < 0) {
DEBUG(0, ("Failed to set volfile_server %s\n", volfile_server));
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));
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));
glfs_fini(fs);
return -1;
}
ret = glfs_set_logging(fs, logfile, loglevel);
if (ret < 0) {
DEBUG(0, ("%s: Failed to set logfile %s loglevel %d\n",
volume, logfile, loglevel));
goto done;
}
ret = glfs_init(fs);
if (ret < 0) {
DEBUG(0, ("%s: Failed to initialize volume (%s)\n",
volume, strerror(errno)));
goto done;
}
ret = glfs_set_preopened(volume, handle->conn->connectpath, fs);
if (ret < 0) {
DEBUG(0, ("%s: Failed to register volume (%s)\n",
volume, strerror(errno)));
goto done;
}
done:
talloc_free(tmp_ctx);
if (ret < 0) {
if (fs)
glfs_fini(fs);
return -1;
} else {
DEBUG(0, ("%s: Initialized volume from server %s\n",
volume, volfile_server));
handle->data = fs;
return 0;
}
}
static void vfs_gluster_disconnect(struct vfs_handle_struct *handle)
{
glfs_t *fs = NULL;
fs = handle->data;
glfs_clear_preopened(fs);
}
static uint64_t vfs_gluster_disk_free(struct vfs_handle_struct *handle,
const char *path, 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);
if (ret < 0) {
return -1;
}
if (bsize_p != NULL) {
*bsize_p = (uint64_t)statvfs.f_bsize; /* Block size */
}
if (dfree_p != NULL) {
*dfree_p = (uint64_t)statvfs.f_bavail; /* Available Block units */
}
if (dsize_p != NULL) {
*dsize_p = (uint64_t)statvfs.f_blocks; /* Total Block units */
}
return (uint64_t)statvfs.f_bavail;
}
static int vfs_gluster_get_quota(struct vfs_handle_struct *handle,
enum SMB_QUOTA_TYPE qtype, unid_t id,
SMB_DISK_QUOTA *qt)
{
errno = ENOSYS;
return -1;
}
static int
vfs_gluster_set_quota(struct vfs_handle_struct *handle,
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)
{
struct statvfs statvfs = { 0, };
int ret;
ret = glfs_statvfs(handle->data, path, &statvfs);
if (ret < 0) {
DEBUG(0, ("glfs_statvfs(%s) failed: %s\n",
path, strerror(errno)));
return -1;
}
ZERO_STRUCTP(vfs_statvfs);
vfs_statvfs->OptimalTransferSize = statvfs.f_frsize;
vfs_statvfs->BlockSize = statvfs.f_bsize;
vfs_statvfs->TotalBlocks = statvfs.f_blocks;
vfs_statvfs->BlocksAvail = statvfs.f_bfree;
vfs_statvfs->UserBlocksAvail = statvfs.f_bavail;
vfs_statvfs->TotalFileNodes = statvfs.f_files;
vfs_statvfs->FreeFileNodes = statvfs.f_ffree;
vfs_statvfs->FsIdentifier = statvfs.f_fsid;
vfs_statvfs->FsCapabilities =
FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
return ret;
}
static uint32_t vfs_gluster_fs_capabilities(struct vfs_handle_struct *handle,
enum timestamp_set_resolution *p_ts_res)
{
uint32_t caps = FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
#ifdef STAT_HAVE_NSEC
*p_ts_res = TIMESTAMP_SET_NT_OR_BETTER;
#endif
return caps;
}
static DIR *vfs_gluster_opendir(struct vfs_handle_struct *handle,
const char *path, const char *mask,
uint32_t attributes)
{
glfs_fd_t *fd;
fd = glfs_opendir(handle->data, path);
if (fd == NULL) {
DEBUG(0, ("glfs_opendir(%s) failed: %s\n",
path, strerror(errno)));
}
return (DIR *) fd;
}
static DIR *vfs_gluster_fdopendir(struct vfs_handle_struct *handle,
files_struct *fsp, const char *mask,
uint32_t attributes)
{
return (DIR *) *(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp);
}
static int vfs_gluster_closedir(struct vfs_handle_struct *handle, DIR *dirp)
{
return glfs_closedir((void *)dirp);
}
static struct dirent *vfs_gluster_readdir(struct vfs_handle_struct *handle,
DIR *dirp, SMB_STRUCT_STAT *sbuf)
{
static char direntbuf[512];
int ret;
struct stat stat;
struct dirent *dirent = 0;
if (sbuf != NULL) {
ret = glfs_readdirplus_r((void *)dirp, &stat, (void *)direntbuf,
&dirent);
} else {
ret = glfs_readdir_r((void *)dirp, (void *)direntbuf, &dirent);
}
if ((ret < 0) || (dirent == NULL)) {
return NULL;
}
if (sbuf != NULL) {
smb_stat_ex_from_stat(sbuf, &stat);
}
return dirent;
}
static long vfs_gluster_telldir(struct vfs_handle_struct *handle, DIR *dirp)
{
return glfs_telldir((void *)dirp);
}
static void vfs_gluster_seekdir(struct vfs_handle_struct *handle, DIR *dirp,
long offset)
{
glfs_seekdir((void *)dirp, offset);
}
static void vfs_gluster_rewinddir(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,
mode_t mode)
{
return glfs_mkdir(handle->data, path, mode);
}
static int vfs_gluster_rmdir(struct vfs_handle_struct *handle, const char *path)
{
return glfs_rmdir(handle->data, path);
}
static int vfs_gluster_open(struct vfs_handle_struct *handle,
struct smb_filename *smb_fname, files_struct *fsp,
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);
} else if (flags & O_CREAT) {
glfd = glfs_creat(handle->data, smb_fname->base_name, flags,
mode);
} else {
glfd = glfs_open(handle->data, smb_fname->base_name, flags);
}
if (glfd == NULL) {
return -1;
}
p_tmp = (glfs_fd_t **)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)
{
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(*(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(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), data, n, offset, 0);
}
struct glusterfs_aio_state {
ssize_t ret;
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)
{
struct tevent_req *req = NULL;
struct glusterfs_aio_state *state = NULL;
int sts = 0;
req = talloc_get_type_abort(data, struct tevent_req);
state = tevent_req_data(req, struct glusterfs_aio_state);
if (ret < 0) {
state->ret = -1;
state->err = errno;
} else {
state->ret = ret;
state->err = 0;
}
/*
* Write the pointer to each req that needs to be completed
* by calling tevent_req_done(). tevent_req_done() cannot
* be called here, as it is not designed to be executed
* in the multithread environment, 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, &req, sizeof(struct tevent_req *));
if (sts < 0) {
DEBUG(0,("\nWrite to pipe failed (%s)", strerror(errno)));
}
return;
}
/*
* 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)
{
struct tevent_req *req = 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, &req, sizeof(struct tevent_req *));
if (sts < 0) {
DEBUG(0,("\nRead from pipe failed (%s)", strerror(errno)));
}
if (req) {
tevent_req_done(req);
}
return;
}
static bool init_gluster_aio(struct vfs_handle_struct *handle)
{
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 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 tevent_req *req = NULL;
struct glusterfs_aio_state *state = NULL;
int ret = 0;
req = tevent_req_create(mem_ctx, &state, struct glusterfs_aio_state);
if (req == NULL) {
return NULL;
}
if (!init_gluster_aio(handle)) {
tevent_req_error(req, EIO);
return tevent_req_post(req, ev);
}
ret = glfs_pread_async(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle,
fsp), data, n, offset, 0, aio_glusterfs_done,
req);
if (ret < 0) {
tevent_req_error(req, -ret);
return tevent_req_post(req, ev);
}
return req;
}
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 struct tevent_req *vfs_gluster_pwrite_send(struct vfs_handle_struct
*handle, TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
files_struct *fsp,
const void *data, size_t n,
off_t offset)
{
struct tevent_req *req = NULL;
struct glusterfs_aio_state *state = NULL;
int ret = 0;
req = tevent_req_create(mem_ctx, &state, struct glusterfs_aio_state);
if (req == NULL) {
return NULL;
}
if (!init_gluster_aio(handle)) {
tevent_req_error(req, EIO);
return tevent_req_post(req, ev);
}
ret = glfs_pwrite_async(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle,
fsp), data, n, offset, 0, aio_glusterfs_done,
req);
if (ret < 0) {
tevent_req_error(req, -ret);
return tevent_req_post(req, ev);
}
return req;
}
static ssize_t vfs_gluster_recv(struct tevent_req *req, int *err)
{
struct glusterfs_aio_state *state = NULL;
state = tevent_req_data(req, struct glusterfs_aio_state);
if (state == NULL) {
return -1;
}
if (tevent_req_is_unix_error(req, err)) {
return -1;
}
if (state->ret == -1) {
*err = state->err;
}
return state->ret;
}
static off_t vfs_gluster_lseek(struct vfs_handle_struct *handle,
files_struct *fsp, off_t offset, int 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,
files_struct *fromfsp,
const DATA_BLOB *hdr,
off_t offset, size_t n)
{
errno = ENOTSUP;
return -1;
}
static ssize_t vfs_gluster_recvfile(struct vfs_handle_struct *handle,
int fromfd, files_struct *tofsp,
off_t offset, size_t n)
{
errno = ENOTSUP;
return -1;
}
static int vfs_gluster_rename(struct vfs_handle_struct *handle,
const struct smb_filename *smb_fname_src,
const struct smb_filename *smb_fname_dst)
{
return glfs_rename(handle->data, smb_fname_src->base_name,
smb_fname_dst->base_name);
}
static int vfs_gluster_fsync(struct vfs_handle_struct *handle,
files_struct *fsp)
{
return glfs_fsync(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp));
}
static struct tevent_req *vfs_gluster_fsync_send(struct vfs_handle_struct
*handle, TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
files_struct *fsp)
{
struct tevent_req *req = NULL;
struct glusterfs_aio_state *state = NULL;
int ret = 0;
req = tevent_req_create(mem_ctx, &state, struct glusterfs_aio_state);
if (req == NULL) {
return NULL;
}
if (!init_gluster_aio(handle)) {
tevent_req_error(req, EIO);
return tevent_req_post(req, ev);
}
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)
{
/*
* Use implicit conversion ssize_t->int
*/
return vfs_gluster_recv(req, err);
}
static int vfs_gluster_stat(struct vfs_handle_struct *handle,
struct smb_filename *smb_fname)
{
struct stat st;
int ret;
ret = glfs_stat(handle->data, smb_fname->base_name, &st);
if (ret == 0) {
smb_stat_ex_from_stat(&smb_fname->st, &st);
}
if (ret < 0 && errno != ENOENT) {
DEBUG(0, ("glfs_stat(%s) failed: %s\n",
smb_fname->base_name, strerror(errno)));
}
return ret;
}
static int vfs_gluster_fstat(struct vfs_handle_struct *handle,
files_struct *fsp, SMB_STRUCT_STAT *sbuf)
{
struct stat st;
int ret;
ret = glfs_fstat(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), &st);
if (ret == 0) {
smb_stat_ex_from_stat(sbuf, &st);
}
if (ret < 0) {
DEBUG(0, ("glfs_fstat(%d) failed: %s\n",
fsp->fh->fd, strerror(errno)));
}
return ret;
}
static int vfs_gluster_lstat(struct vfs_handle_struct *handle,
struct smb_filename *smb_fname)
{
struct stat st;
int ret;
ret = glfs_lstat(handle->data, smb_fname->base_name, &st);
if (ret == 0) {
smb_stat_ex_from_stat(&smb_fname->st, &st);
}
if (ret < 0 && errno != ENOENT) {
DEBUG(0, ("glfs_lstat(%s) failed: %s\n",
smb_fname->base_name, strerror(errno)));
}
return ret;
}
static uint64_t vfs_gluster_get_alloc_size(struct vfs_handle_struct *handle,
files_struct *fsp,
const SMB_STRUCT_STAT *sbuf)
{
return sbuf->st_ex_blocks * 512;
}
static int vfs_gluster_unlink(struct vfs_handle_struct *handle,
const struct smb_filename *smb_fname)
{
return glfs_unlink(handle->data, smb_fname->base_name);
}
static int vfs_gluster_chmod(struct vfs_handle_struct *handle,
const char *path, mode_t mode)
{
return glfs_chmod(handle->data, path, mode);
}
static int vfs_gluster_fchmod(struct vfs_handle_struct *handle,
files_struct *fsp, mode_t 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)
{
return glfs_chown(handle->data, path, uid, gid);
}
static int vfs_gluster_fchown(struct vfs_handle_struct *handle,
files_struct *fsp, uid_t uid, gid_t 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)
{
return glfs_lchown(handle->data, path, uid, gid);
}
static int vfs_gluster_chdir(struct vfs_handle_struct *handle, const char *path)
{
return glfs_chdir(handle->data, path);
}
static char *vfs_gluster_getwd(struct vfs_handle_struct *handle)
{
char *cwd;
char *ret;
cwd = SMB_CALLOC_ARRAY(char, PATH_MAX);
if (cwd == NULL) {
return NULL;
}
ret = glfs_getcwd(handle->data, cwd, PATH_MAX - 1);
if (ret == 0) {
free(cwd);
}
return ret;
}
static int vfs_gluster_ntimes(struct vfs_handle_struct *handle,
const struct smb_filename *smb_fname,
struct smb_file_time *ft)
{
struct timespec times[2];
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(&times[0],
&smb_fname->st.st_ex_atime) == 0) &&
(timespec_compare(&times[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(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), offset);
}
static int vfs_gluster_fallocate(struct vfs_handle_struct *handle,
struct files_struct *fsp,
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)
{
return glfs_realpath(handle->data, path, 0);
}
static bool vfs_gluster_lock(struct vfs_handle_struct *handle,
files_struct *fsp, int op, off_t offset,
off_t count, int type)
{
struct flock flock = { 0, };
int ret;
flock.l_type = type;
flock.l_whence = SEEK_SET;
flock.l_start = offset;
flock.l_len = count;
flock.l_pid = 0;
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 */
if ((ret != -1) &&
(flock.l_type != F_UNLCK) &&
(flock.l_pid != 0) && (flock.l_pid != getpid()))
return true;
/* not me */
return false;
}
if (ret == -1) {
return false;
}
return true;
}
static int vfs_gluster_kernel_flock(struct vfs_handle_struct *handle,
files_struct *fsp, uint32_t share_mode,
uint32_t access_mask)
{
errno = ENOSYS;
return -1;
}
static int vfs_gluster_linux_setlease(struct vfs_handle_struct *handle,
files_struct *fsp, int leasetype)
{
errno = ENOSYS;
return -1;
}
static bool vfs_gluster_getlock(struct vfs_handle_struct *handle,
files_struct *fsp, off_t *poffset,
off_t *pcount, int *ptype, pid_t *ppid)
{
struct flock flock = { 0, };
int ret;
flock.l_type = *ptype;
flock.l_whence = SEEK_SET;
flock.l_start = *poffset;
flock.l_len = *pcount;
flock.l_pid = 0;
ret = glfs_posix_lock(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), F_GETLK, &flock);
if (ret == -1) {
return false;
}
*ptype = flock.l_type;
*poffset = flock.l_start;
*pcount = flock.l_len;
*ppid = flock.l_pid;
return true;
}
static int vfs_gluster_symlink(struct vfs_handle_struct *handle,
const char *oldpath, const char *newpath)
{
return glfs_symlink(handle->data, oldpath, newpath);
}
static int vfs_gluster_readlink(struct vfs_handle_struct *handle,
const char *path, char *buf, size_t bufsiz)
{
return glfs_readlink(handle->data, path, buf, bufsiz);
}
static int vfs_gluster_link(struct vfs_handle_struct *handle,
const char *oldpath, const char *newpath)
{
return glfs_link(handle->data, oldpath, newpath);
}
static int vfs_gluster_mknod(struct vfs_handle_struct *handle, const char *path,
mode_t mode, SMB_DEV_T dev)
{
return glfs_mknod(handle->data, path, mode, dev);
}
static int vfs_gluster_chflags(struct vfs_handle_struct *handle,
const char *path, unsigned int flags)
{
errno = ENOSYS;
return -1;
}
static int vfs_gluster_get_real_filename(struct vfs_handle_struct *handle,
const char *path, const char *name,
TALLOC_CTX *mem_ctx, char **found_name)
{
int ret;
char key_buf[NAME_MAX + 64];
char val_buf[NAME_MAX + 1];
if (strlen(name) >= NAME_MAX) {
errno = ENAMETOOLONG;
return -1;
}
snprintf(key_buf, NAME_MAX + 64,
"glusterfs.get_real_filename:%s", name);
ret = glfs_getxattr(handle->data, path, key_buf, val_buf, NAME_MAX + 1);
if (ret == -1) {
if (errno == ENODATA) {
errno = EOPNOTSUPP;
}
return -1;
}
*found_name = talloc_strdup(mem_ctx, val_buf);
if (found_name[0] == NULL) {
errno = ENOMEM;
return -1;
}
return 0;
}
static const char *vfs_gluster_connectpath(struct vfs_handle_struct *handle,
const char *filename)
{
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)
{
return glfs_getxattr(handle->data, path, 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(*(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)
{
return glfs_listxattr(handle->data, path, list, size);
}
static ssize_t vfs_gluster_flistxattr(struct vfs_handle_struct *handle,
files_struct *fsp, char *list,
size_t 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)
{
return glfs_removexattr(handle->data, path, name);
}
static int vfs_gluster_fremovexattr(struct vfs_handle_struct *handle,
files_struct *fsp, const char *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 void *value, size_t size, int flags)
{
return glfs_setxattr(handle->data, path, 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(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp), name, value, size,
flags);
}
/* AIO Operations */
static bool vfs_gluster_aio_force(struct vfs_handle_struct *handle,
files_struct *fsp)
{
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
#define GLUSTER_ACL_SIZE(n) (GLUSTER_ACL_HEADER_SIZE + (n * GLUSTER_ACL_ENTRY_SIZE))
static SMB_ACL_T mode_to_smb_acls(const struct stat *mode, TALLOC_CTX *mem_ctx)
{
struct smb_acl_t *result;
int count;
count = 3;
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;
result->acl[0].a_type = SMB_ACL_USER_OBJ;
result->acl[0].a_perm = (mode->st_mode & S_IRWXU) >> 6;;
result->acl[1].a_type = SMB_ACL_GROUP_OBJ;
result->acl[1].a_perm = (mode->st_mode & S_IRWXG) >> 3;;
result->acl[2].a_type = SMB_ACL_OTHER;
result->acl[2].a_perm = mode->st_mode & S_IRWXO;;
return result;
}
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;
struct stat st;
char *buf;
const char *key;
ssize_t ret, size = GLUSTER_ACL_SIZE(20);
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;
}
buf = alloca(size);
if (!buf) {
return NULL;
}
ret = glfs_getxattr(handle->data, path_p, key, buf, size);
if (ret == -1 && errno == ERANGE) {
ret = glfs_getxattr(handle->data, path_p, key, 0, 0);
if (ret > 0) {
buf = alloca(ret);
if (!buf) {
return NULL;
}
ret = glfs_getxattr(handle->data, path_p, key, buf, ret);
}
}
/* retrieving the ACL from the xattr has finally failed, do a
* mode-to-acl mapping */
if (ret == -1 && errno == ENODATA) {
ret = glfs_stat(handle->data, path_p, &st);
if (ret == 0) {
result = mode_to_smb_acls(&st, mem_ctx);
return result;
}
}
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;
struct stat st;
ssize_t ret, size = GLUSTER_ACL_SIZE(20);
char *buf;
glfs_fd_t *glfd;
glfd = *(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp);
buf = alloca(size);
if (!buf) {
return NULL;
}
ret = glfs_fgetxattr(glfd, "system.posix_acl_access", buf, size);
if (ret == -1 && errno == ERANGE) {
ret = glfs_fgetxattr(glfd, "system.posix_acl_access", 0, 0);
if (ret > 0) {
buf = alloca(ret);
if (!buf) {
return NULL;
}
ret = glfs_fgetxattr(glfd, "system.posix_acl_access",
buf, ret);
}
}
/* retrieving the ACL from the xattr has finally failed, do a
* mode-to-acl mapping */
if (ret == -1 && errno == ENODATA) {
ret = glfs_fstat(glfd, &st);
if (ret == 0) {
result = mode_to_smb_acls(&st, mem_ctx);
return result;
}
}
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 *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(*(glfs_fd_t **)VFS_FETCH_FSP_EXTENSION(handle, fsp),
"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 */
.connect_fn = vfs_gluster_connect,
.disconnect_fn = vfs_gluster_disconnect,
.disk_free_fn = vfs_gluster_disk_free,
.get_quota_fn = vfs_gluster_get_quota,
.set_quota_fn = vfs_gluster_set_quota,
.statvfs_fn = vfs_gluster_statvfs,
.fs_capabilities_fn = vfs_gluster_fs_capabilities,
.get_dfs_referrals_fn = NULL,
/* Directory Operations */
.opendir_fn = vfs_gluster_opendir,
.fdopendir_fn = vfs_gluster_fdopendir,
.readdir_fn = vfs_gluster_readdir,
.seekdir_fn = vfs_gluster_seekdir,
.telldir_fn = vfs_gluster_telldir,
.rewind_dir_fn = vfs_gluster_rewinddir,
.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 */
.open_fn = vfs_gluster_open,
.create_file_fn = NULL,
.close_fn = vfs_gluster_close,
.read_fn = vfs_gluster_read,
.pread_fn = vfs_gluster_pread,
.pread_send_fn = vfs_gluster_pread_send,
.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_recv,
.lseek_fn = vfs_gluster_lseek,
.sendfile_fn = vfs_gluster_sendfile,
.recvfile_fn = vfs_gluster_recvfile,
.rename_fn = vfs_gluster_rename,
.fsync_fn = vfs_gluster_fsync,
.fsync_send_fn = vfs_gluster_fsync_send,
.fsync_recv_fn = vfs_gluster_fsync_recv,
.stat_fn = vfs_gluster_stat,
.fstat_fn = vfs_gluster_fstat,
.lstat_fn = vfs_gluster_lstat,
.get_alloc_size_fn = vfs_gluster_get_alloc_size,
.unlink_fn = vfs_gluster_unlink,
.chmod_fn = vfs_gluster_chmod,
.fchmod_fn = vfs_gluster_fchmod,
.chown_fn = vfs_gluster_chown,
.fchown_fn = vfs_gluster_fchown,
.lchown_fn = vfs_gluster_lchown,
.chdir_fn = vfs_gluster_chdir,
.getwd_fn = vfs_gluster_getwd,
.ntimes_fn = vfs_gluster_ntimes,
.ftruncate_fn = vfs_gluster_ftruncate,
.fallocate_fn = vfs_gluster_fallocate,
.lock_fn = vfs_gluster_lock,
.kernel_flock_fn = vfs_gluster_kernel_flock,
.linux_setlease_fn = vfs_gluster_linux_setlease,
.getlock_fn = vfs_gluster_getlock,
.symlink_fn = vfs_gluster_symlink,
.readlink_fn = vfs_gluster_readlink,
.link_fn = vfs_gluster_link,
.mknod_fn = vfs_gluster_mknod,
.realpath_fn = vfs_gluster_realpath,
.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,
.translate_name_fn = NULL,
.fsctl_fn = NULL,
/* NT ACL Operations */
.fget_nt_acl_fn = NULL,
.get_nt_acl_fn = NULL,
.fset_nt_acl_fn = NULL,
.audit_file_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_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,
/* EA Operations */
.getxattr_fn = vfs_gluster_getxattr,
.fgetxattr_fn = vfs_gluster_fgetxattr,
.listxattr_fn = vfs_gluster_listxattr,
.flistxattr_fn = vfs_gluster_flistxattr,
.removexattr_fn = vfs_gluster_removexattr,
.fremovexattr_fn = vfs_gluster_fremovexattr,
.setxattr_fn = vfs_gluster_setxattr,
.fsetxattr_fn = vfs_gluster_fsetxattr,
/* 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)
{
return smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
"glusterfs", &glusterfs_fns);
}