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libglusterfsclient: Add ftruncate API

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Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
This commit is contained in:
Shehjar Tikoo 2009-04-16 23:55:55 -07:00 committed by Anand V. Avati
parent 9193494d20
commit e18b8031ab
1 changed files with 77 additions and 0 deletions
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77
libglusterfsclient/src/libglusterfsclient.c
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@ -3778,6 +3778,83 @@ out:
return op_ret;
}
int
libgf_client_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *xlator
,int32_t op_ret, int32_t op_errno,
struct stat *buf)
{
libgf_client_local_t *local = frame->local;
local->reply_stub = fop_ftruncate_cbk_stub (frame, NULL, op_ret,
op_errno, buf);
LIBGF_REPLY_NOTIFY (local);
return 0;
}
int
libgf_client_ftruncate (libglusterfs_client_ctx_t *ctx, fd_t *fd,
off_t length)
{
libgf_client_local_t *local = NULL;
call_stub_t *stub = NULL;
int op_ret = -1;
libglusterfs_client_fd_ctx_t *fdctx = NULL;
if (!(fd->flags & O_RDWR) && (!(fd->flags & O_WRONLY))) {
errno = EBADF;
goto out;
}
LIBGF_CLIENT_FOP (ctx, stub, ftruncate, local, fd, length);
op_ret = stub->args.ftruncate_cbk.op_ret;
errno = stub->args.ftruncate_cbk.op_errno;
if (op_ret == -1)
goto out;
libgf_update_iattr_cache (fd->inode, LIBGF_UPDATE_STAT,
&stub->args.ftruncate_cbk.buf);
fdctx = libgf_get_fd_ctx (fd);
if (!fd) {
errno = EINVAL;
op_ret = -1;
goto out;
}
pthread_mutex_lock (&fdctx->lock);
{
fdctx->offset = stub->args.ftruncate_cbk.buf.st_size;
}
pthread_mutex_lock (&fdctx->lock);
out:
call_stub_destroy (stub);
return op_ret;
}
int
glusterfs_ftruncate (glusterfs_file_t fd, off_t length)
{
libglusterfs_client_fd_ctx_t *fdctx = NULL;
int op_ret = -1;
GF_VALIDATE_OR_GOTO (LIBGF_XL_NAME, fd, out);
fdctx = libgf_get_fd_ctx (fd);
if (!fdctx) {
errno = EBADF;
goto out;
}
op_ret = libgf_client_ftruncate (fdctx->ctx, fd, length);
out:
return op_ret;
}
static struct xlator_fops libgf_client_fops = {
};